Utilities & Infrastructure in Houston, TX
Water systems, internet access, and utility services
Internet & Broadband Access
Source: Census ACSBroadband Access
88.8%
of households
Cable / Fiber / DSL
71.9%
of households
No Internet
8.6%
of households
Total Households
916,536
Internet Subscription Types
Device Ownership
Source: Census ACSHas Computer
95.1%
of households
Smartphone
91.5%
of households
Desktop / Laptop
75.0%
of households
Tablet
59.2%
of households
Percentage of households with each device type. Data from the U.S. Census Bureau ACS (2023 5-year estimates, tables B28001 & B28002).
Water Systems
Source: EPA SDWISWater Systems
722
Population Served
5,913,456
Violations (5yr)
459
| System Name | Type | Source | Pop. Served | Violations |
|---|---|---|---|---|
| CITY OF HOUSTON | Community | Surface water | 2,970,543 | 2 |
| CLEAR LAKE CITY WATER AUTHORITY | Community | Purchased surface water | 89,702 | 0 |
| CITY OF HOUSTON UD 5 - KINGWOOD | Community | Ground water | 80,073 | 0 |
| HARRIS COUNTY MUD 165 | Community | Purchased surface water | 30,483 | 0 |
| BRIDGESTONE MUD | Community | Purchased surface water | 24,528 | 0 |
| TIMBER LANE UTILITY DISTRICT | Community | Ground water | 24,507 | 0 |
| NORTHWEST HARRIS COUNTY MUD 5 | Community | Purchased surface water | 23,766 | 0 |
| HARRIS COUNTY FWSD 51 | Community | Purchased surface water | 19,671 | 0 |
| CIMARRON MUD | Community | Ground water | 19,338 | 0 |
| HARRIS COUNTY MUD 82 | Community | Ground water | 18,990 | 0 |
| NORTHWEST PARK MUD | Community | Ground water | 18,168 | 0 |
| CLEAR BROOK CITY MUD | Community | Purchased surface water | 18,108 | 0 |
| HARRIS MONTGOMERY COUNTIES MUD 386 | Community | Purchased ground water | 18,018 | 0 |
| HARRIS COUNTY MUD 53 | Community | Purchased surface water | 17,856 | 0 |
| HARRIS COUNTY MUD 71 | Community | Ground water | 17,079 | 0 |
| HARRIS COUNTY MUD 26 | Community | Ground water | 16,518 | 0 |
| HARRIS COUNTY MUD 55 HERITAGE PARK | Community | Purchased surface water | 16,392 | 0 |
| HARRIS COUNTY MUD 167 | Community | Ground water | 15,837 | 0 |
| FORT BEND COUNTY MUD 30 | Community | Purchased surface water | 15,798 | 0 |
| HARRIS COUNTY FWSD 61 | Community | Ground water | 15,400 | 0 |
| PECAN GROVE MUD | Community | Surface water | 14,913 | 0 |
| HARRIS COUNTY MUD 200 CRANBROOK | Community | Purchased surface water | 14,868 | 0 |
| HARRIS COUNTY MUD 24 | Community | Purchased surface water | 14,796 | 3 |
| CNP UTILITY DISTRICT | Community | Purchased surface water | 14,718 | 0 |
| HARRIS COUNTY MUD 285 | Community | Purchased surface water | 14,268 | 0 |
| CITY OF HOUSTON WILLOW CHASE | Community | Ground water | 14,169 | 0 |
| HARRIS COUNTY MUD 105 | Community | Purchased surface water | 14,151 | 0 |
| MEADOWHILL REGIONAL MUD | Community | Ground water | 13,863 | 0 |
| REMINGTON MUD 1 | Community | Purchased surface water | 13,743 | 0 |
| FORT BEND COUNTY MUD 23 | Community | Ground water | 13,548 | 0 |
| SOUTHERN MONTGOMERY COUNTY MUD | Community | Purchased surface water | 13,372 | 0 |
| NEWPORT MUD | Community | Surface water | 13,191 | 0 |
| HARRIS COUNTY MUD 1 | Community | Ground water | 12,342 | 0 |
| NORTHAMPTON MUD | Community | Ground water | 12,162 | 0 |
| HARRIS COUNTY MUD 157 | Community | Purchased surface water | 12,087 | 0 |
| HARRIS COUNTY MUD 368 | Community | Purchased surface water | 11,835 | 0 |
| FORT BEND COUNTY MUD 142 | Community | Purchased surface water | 11,595 | 0 |
| RAYFORD ROAD MUD | Community | Purchased surface water | 11,550 | 0 |
| HARRIS COUNTY MUD 81 | Community | Ground water | 11,514 | 0 |
| MEMORIAL VILLAGES WATER AUTHORITY | Community | Purchased surface water | 11,382 | 0 |
| HARRIS COUNTY UTILITY DISTRICT 6 | Community | Purchased surface water | 11,262 | 0 |
| HARRIS COUNTY WCID 36 | Community | Purchased surface water | 11,073 | 0 |
| CYPRESS HILL MUD 1 | Community | Ground water | 11,052 | 0 |
| HARRIS COUNTY MUD 120 | Community | Ground water | 10,983 | 0 |
| HARRIS COUNTY MUD 49 | Community | Purchased surface water | 10,893 | 0 |
| FORT BEND COUNTY MUD 58 | Community | Purchased surface water | 10,629 | 0 |
| HARRIS COUNTY MUD 278 | Community | Purchased surface water | 10,584 | 0 |
| HARRIS COUNTY WCID 96 | Community | Ground water | 10,530 | 0 |
| GREENWOOD UTILITY DISTRICT | Community | Purchased surface water | 10,527 | 0 |
| FORT BEND COUNTY MUD 182 | Community | Ground water | 10,498 | 0 |
| HARRIS COUNTY MUD 489 | Community | Purchased ground water | 10,476 | 0 |
| HARRIS COUNTY MUD 230 | Community | Purchased surface water | 10,404 | 0 |
| HARRIS COUNTY MUD 102 | Community | Purchased surface water | 10,401 | 0 |
| LANGHAM CREEK UTILITY DISTRICT | Community | Purchased surface water | 10,377 | 0 |
| FORT BEND COUNTY MUD 151 | Community | Ground water | 10,233 | 0 |
| MISSION BEND MUD 2 | Community | Ground water | 10,155 | 4 |
| HARRIS COUNTY WCID 109 | Community | Purchased surface water | 10,134 | 0 |
| PONDEROSA FOREST UTILITY DISTRICT | Community | Ground water | 10,101 | 0 |
| HARRIS COUNTY WCID 110 | Community | Ground water | 9,807 | 0 |
| HARRIS COUNTY MUD 109 | Community | Ground water | 9,501 | 0 |
| TRAIL OF THE LAKES MUD | Community | Ground water | 9,471 | 20 |
| HARRIS COUNTY MUD 188 | Community | Purchased surface water | 9,453 | 0 |
| HUNTERS GLEN MUD | Community | Ground water | 9,405 | 0 |
| HARRIS COUNTY WCID 119 | Community | Purchased surface water | 9,150 | 0 |
| HARRIS COUNTY WCID 89 | Community | Purchased surface water | 9,033 | 0 |
| BARKER CYPRESS MUD | Community | Purchased surface water | 8,976 | 0 |
| SUNBELT FWSD HIGH MEADOWS SUBDIVISION | Community | Purchased surface water | 8,946 | 0 |
| CHELFORD CITY MUD | Community | Ground water | 8,917 | 0 |
| HARRIS COUNTY MUD 391 | Community | Ground water | 8,835 | 0 |
| NORTH MISSION GLEN MUD | Community | Purchased surface water | 8,730 | 0 |
| HARRIS COUNTY MUD 132 | Community | Ground water | 8,682 | 0 |
| KINGSBRIDGE MUD | Community | Purchased surface water | 8,663 | 0 |
| HARRIS COUNTY MUD 150 | Community | Purchased surface water | 8,454 | 0 |
| RICE UNIVERSITY | Community | Purchased surface water | 8,415 | 1 |
| JACKRABBIT ROAD PUD | Community | Purchased surface water | 8,346 | 0 |
| HARRIS COUNTY MUD 154 | Community | Ground water | 8,289 | 0 |
| HARRIS COUNTY MUD 290 | Community | Purchased ground water | 8,259 | 0 |
| WEST HARRIS COUNTY MUD 11 | Community | Ground water | 8,205 | 0 |
| BISSONNET MUD | Community | Ground water | 8,160 | 0 |
| WEST PARK MUD | Community | Ground water | 8,106 | 0 |
| HARRIS COUNTY MUD 153 | Community | Ground water | 8,013 | 0 |
| HARRIS-FORT BEND COUNTIES MUD 3 | Community | Ground water | 7,971 | 0 |
| NORTHWEST HARRIS COUNTY MUD 9 | Community | Ground water | 7,848 | 0 |
| NORTHWEST HARRIS COUNTY MUD 12 | Community | Ground water | 7,839 | 0 |
| SIENNA MUD 10 | Community | Purchased ground water | 7,824 | 0 |
| FIRST COLONY MUD 9 | Community | Ground water | 7,818 | 0 |
| HARRIS COUNTY MUD 468 | Community | Purchased surface water | 7,683 | 0 |
| NORTHWEST HARRIS COUNTY MUD 10 | Community | Ground water | 7,671 | 0 |
| CY CHAMP PUD | Community | Ground water | 7,596 | 0 |
| BLUE RIDGE WEST MUD | Community | Ground water | 7,545 | 2 |
| HARRIS COUNTY MUD 151 | Community | Ground water | 7,464 | 0 |
| HARRIS COUNTY MUD 419 | Community | Purchased ground water | 7,389 | 0 |
| SIENNA MUD 3 | Community | Purchased ground water | 7,365 | 0 |
| FORT BEND COUNTY MUD 133 | Community | Purchased surface water | 7,362 | 0 |
| CYPRESS FOREST PUD | Community | Ground water | 7,356 | 0 |
| FORT BEND COUNTY MUD 134B | Community | Purchased ground water | 7,356 | 0 |
| EMERALD FOREST UTILITY DISTRICT | Community | Ground water | 7,326 | 0 |
| PARKWAY UTILITY DISTRICT | Community | Ground water | 7,323 | 0 |
| HARRIS COUNTY MUD 152 | Community | Ground water | 7,314 | 0 |
| FORT BEND COUNTY MUD 134C | Community | Purchased ground water | 7,260 | 0 |
| HARRIS COUNTY MUD 504 | Community | Purchased surface water | 7,242 | 0 |
| MALCOMSON ROAD UTILITY DISTRICT | Community | Purchased surface water | 7,231 | 0 |
| HARRIS COUNTY MUD 449 | Community | Ground water | 7,179 | 0 |
| WINDFERN FOREST UTILITY DISTRICT | Community | Purchased surface water | 7,170 | 0 |
| LAKE FOREST UTILITY DISTRICT | Community | Ground water | 7,106 | 0 |
| NOTTINGHAM COUNTRY MUD | Community | Ground water | 7,089 | 0 |
| HARRIS COUNTY MUD 196 | Community | Purchased surface water | 7,026 | 1 |
| ADDICKS UTILITY DISTRICT | Community | Purchased surface water | 7,017 | 0 |
| HARRIS COUNTY MUD 96 | Community | Purchased surface water | 6,993 | 0 |
| SAGEMEADOW UTILITY DISTRICT | Community | Purchased surface water | 6,987 | 0 |
| REID ROAD MUD 1 | Community | Ground water | 6,969 | 0 |
| BRAZORIA COUNTY MUD 6 | Community | Purchased ground water | 6,926 | 0 |
| WEST HARRIS COUNTY MUD 2 CHASE | Community | Ground water | 6,921 | 0 |
| NORTHWEST HARRIS COUNTY MUD 15 | Community | Ground water | 6,915 | 0 |
| HARRIS COUNTY MUD 189 | Community | Ground water | 6,906 | 0 |
| FORT BEND COUNTY MUD 2 | Community | Purchased surface water | 6,819 | 0 |
| HARRIS COUNTY MUD 158 | Community | Purchased ground water | 6,798 | 0 |
| HARRIS COUNTY MUD 367 | Community | Purchased surface water | 6,759 | 0 |
| HARRIS COUNTY MUD 64 | Community | Ground water | 6,726 | 0 |
| FALLBROOK UTILITY DISTRICT | Community | Ground water | 6,720 | 0 |
| MILLS ROAD MUD | Community | Purchased surface water | 6,717 | 0 |
| NORTH PARK PUD | Community | Ground water | 6,708 | 0 |
| DOWDELL PUD | Community | Ground water | 6,705 | 0 |
| WESTON MUD | Community | Ground water | 6,699 | 0 |
| WEST HARRIS COUNTY MUD 10 | Community | Ground water | 6,697 | 4 |
| HARRIS COUNTY MUD 118 | Community | Ground water | 6,678 | 0 |
| GRAND MISSION MUD 1 | Community | Purchased surface water | 6,663 | 0 |
| HARRIS COUNTY MUD 433 | Community | Purchased surface water | 6,651 | 0 |
| MONTGOMERY COUNTY MUD 119 SPRING TRAILS | Community | Ground water | 6,621 | 0 |
| HEATHERLOCH MUD | Community | Purchased surface water | 6,612 | 0 |
| HORSEPEN BAYOU MUD | Community | Purchased surface water | 6,597 | 0 |
| INTERSTATE MUD | Community | Ground water | 6,591 | 0 |
| HARRIS COUNTY MUD 354 | Community | Purchased ground water | 6,588 | 0 |
| MONTGOMERY COUNTY MUD 15 | Community | Ground water | 6,564 | 0 |
| HARRIS COUNTY WCID 84 | Community | Purchased surface water | 6,552 | 0 |
| MISSION BEND MUD 1 | Community | Ground water | 6,546 | 0 |
| SUNBELT FWSD OAKWILDE SUBDIVISION | Community | Purchased surface water | 6,495 | 0 |
| BIG OAKS MUD | Community | Purchased surface water | 6,450 | 0 |
| MONTGOMERY COUNTY MUD 95 | Community | Purchased surface water | 6,435 | 0 |
| SIENNA MUD 4 | Community | Purchased ground water | 6,435 | 0 |
| HARRIS COUNTY MUD 65 | Community | Ground water | 6,330 | 0 |
| FORT BEND COUNTY MUD 35 | Community | Purchased ground water | 6,297 | 0 |
| GRAND MISSION MUD 2 | Community | Purchased ground water | 6,285 | 0 |
| FORT BEND COUNTY MUD 50 | Community | Purchased surface water | 6,234 | 0 |
| CINCO MUD 14 | Community | Purchased ground water | 6,192 | 0 |
| GALVESTON COUNTY WCID 12 | Community | Purchased surface water | 6,189 | 0 |
| HARRIS COUNTY MUD 364 | Community | Purchased ground water | 6,168 | 0 |
| HARRIS COUNTY MUD 222 | Community | Ground water | 6,129 | 0 |
| CITY OF HOUSTON DISTRICT 73 | Community | Ground water | 6,105 | 0 |
| CINCO SOUTHWEST MUD 4 | Community | Purchased surface water | 6,093 | 0 |
| HARRIS COUNTY MUD 400 - EAST | Community | Purchased surface water | 6,066 | 0 |
| HARRIS COUNTY UD 16 | Community | Ground water | 6,063 | 0 |
| LAKE MUD | Community | Purchased surface water | 6,048 | 0 |
| FORT BEND COUNTY MUD 146 | Community | Purchased surface water | 5,985 | 0 |
| HARRIS COUNTY MUD 16 | Community | Purchased surface water | 5,982 | 0 |
| HARRIS COUNTY MUD 457 | Community | Purchased ground water | 5,967 | 0 |
| WEST HARRIS COUNTY MUD 9 | Community | Ground water | 5,961 | 0 |
| MONTGOMERY COUNTY MUD 9 | Community | Ground water | 5,949 | 0 |
| HARRIS COUNTY MUD 43 | Community | Ground water | 5,940 | 0 |
| PRESTONWOOD FOREST UTILITY DISTRICT | Community | Purchased surface water | 5,940 | 0 |
| BRAZORIA COUNTY MUD 29 | Community | Ground water | 5,898 | 0 |
| HARRIS COUNTY MUD 180 | Community | Ground water | 5,892 | 0 |
| HARRIS COUNTY WCID 74 | Community | Ground water | 5,886 | 0 |
| CHARTERWOOD MUD | Community | Ground water | 5,832 | 0 |
| HARRIS COUNTY MUD 70 | Community | Purchased surface water | 5,763 | 0 |
| HARRIS COUNTY MUD 319 | Community | Ground water | 5,751 | 0 |
| CINCO MUD 8 | Community | Purchased ground water | 5,613 | 0 |
| SPENCER ROAD PUD | Community | Purchased surface water | 5,607 | 0 |
| HARRIS COUNTY MUD 239 | Community | Ground water | 5,583 | 0 |
| FORT BEND COUNTY MUD 162 | Community | Ground water | 5,553 | 0 |
| NORTHWEST HARRIS COUNTY MUD 19 | Community | Ground water | 5,535 | 0 |
| HARRIS COUNTY MUD 374 CYPRESS CREEK LAKE | Community | Purchased ground water | 5,526 | 0 |
| FORT BEND COUNTY MUD 34 | Community | Purchased surface water | 5,523 | 0 |
| MONTGOMERY COUNTY MUD 139 | Community | Ground water | 5,523 | 0 |
| CINCO SOUTHWEST MUD 2 | Community | Purchased surface water | 5,496 | 0 |
| HARRIS COUNTY MUD 502 | Community | Purchased surface water | 5,487 | 0 |
| HARRIS COUNTY MUD 5 | Community | Purchased surface water | 5,487 | 0 |
| HARRIS COUNTY MUD 163 | Community | Purchased surface water | 5,487 | 0 |
| MONTGOMERY COUNTY MUD 8 | Community | Ground water | 5,472 | 0 |
| MONTGOMERY COUNTY MUD 112 | Community | Ground water | 5,454 | 0 |
| HARRIS COUNTY MUD 148 KINGSLAKE | Community | Purchased surface water | 5,448 | 0 |
| FORT BEND COUNTY MUD 26 QUAIL GREEN WEST | Community | Ground water | 5,424 | 0 |
| FULSHEAR MUD 3A | Community | Ground water | 5,421 | 0 |
| HARRIS COUNTY MUD 46 | Community | Ground water | 5,418 | 1 |
| CHIMNEY HILL MUD | Community | Purchased surface water | 5,409 | 0 |
| TATTOR ROAD MUD | Community | Ground water | 5,400 | 0 |
| BILMA PUD | Community | Purchased surface water | 5,397 | 0 |
| HARRIS COUNTY MUD 86 | Community | Purchased surface water | 5,397 | 0 |
| ROLLING CREEK UTILITY DISTRICT | Community | Purchased surface water | 5,388 | 0 |
| MOUNT HOUSTON ROAD MUD | Community | Ground water | 5,346 | 0 |
| FORT BEND COUNTY MUD 118 | Community | Purchased surface water | 5,346 | 0 |
| WESTADOR MUD | Community | Purchased surface water | 5,337 | 0 |
| FORT BEND COUNTY MUD 57 | Community | Purchased surface water | 5,335 | 0 |
| CORNERSTONES MUD | Community | Ground water | 5,331 | 0 |
| BRAZORIA COUNTY MUD 22 | Community | Purchased ground water | 5,310 | 0 |
| FORT BEND COUNTY MUD 155 | Community | Purchased surface water | 5,292 | 0 |
| WEST HARRIS COUNTY MUD 7 | Community | Ground water | 5,289 | 0 |
| BRAZORIA COUNTY MUD 25 | Community | Ground water | 5,250 | 0 |
| HARRIS COUNTY MUD 127 | Community | Purchased surface water | 5,247 | 0 |
| BRAZORIA COUNTY MUD 55 | Community | Ground water | 5,229 | 0 |
| HARRIS COUNTY MUD 400 - WEST | Community | Purchased surface water | 5,217 | 0 |
| FORT BEND COUNTY MUD 194 | Community | Purchased ground water | 5,211 | 0 |
| FORT BEND COUNTY MUD 143 WATER VIEW ESTA | Community | Ground water | 5,196 | 0 |
| CINCO SOUTHWEST MUD 3 DAYCARE | Community | Purchased surface water | 5,187 | 0 |
| SIENNA MUD 6 | Community | Purchased surface water | 5,184 | 0 |
| MONTGOMERY COUNTY MUD 94 | Community | Ground water | 5,184 | 0 |
| HARRIS COUNTY MUD 33 | Community | Ground water | 5,181 | 0 |
| HARRIS COUNTY WCID 114 | Community | Purchased surface water | 5,160 | 16 |
| DENTON COUNTY FWSD 11-A | Community | Purchased surface water | 5,160 | 0 |
| HARRIS COUNTY MUD 179 | Community | Purchased surface water | 5,115 | 0 |
| HARRIS COUNTY WCID 133 | Community | Ground water | 5,109 | 0 |
| MAYDE CREEK MUD | Community | Ground water | 5,100 | 1 |
| BRAZORIA COUNTY MUD 31 | Community | Ground water | 5,097 | 0 |
| HARRIS COUNTY MUD 276 | Community | Purchased surface water | 5,094 | 0 |
| FORT BEND COUNTY MUD 119 | Community | Purchased surface water | 5,088 | 0 |
| FORT BEND COUNTY MUD 190 | Community | Purchased surface water | 5,049 | 0 |
| HARRIS COUNTY IMPROVEMENT DISTRICT 18 | Community | Ground water | 5,025 | 0 |
| NORTHWEST HARRIS COUNTY MUD 32 | Community | Ground water | 5,016 | 0 |
| HARRIS COUNTY MUD 495 | Community | Ground water | 5,007 | 0 |
| RICEWOOD MUD | Community | Ground water | 4,989 | 0 |
| MONTGOMERY COUNTY UD 4 | Community | Ground water | 4,980 | 0 |
| NORTH GREEN MUD | Community | Ground water | 4,941 | 0 |
| FORT BEND COUNTY MUD 121 | Community | Purchased ground water | 4,932 | 0 |
| MONTGOMERY COUNTY MUD 89 | Community | Ground water | 4,899 | 0 |
| HARRIS COUNTY MUD 383 | Community | Purchased surface water | 4,881 | 0 |
| KLEINWOOD MUD | Community | Purchased surface water | 4,872 | 4 |
| HARRIS COUNTY MUD 221 | Community | Ground water | 4,839 | 0 |
| LOUETTA NORTH PUD | Community | Purchased surface water | 4,836 | 0 |
| FORT BEND COUNTY MUD 116 CANYON GATE | Community | Ground water | 4,833 | 0 |
| BRAZORIA COUNTY MUD 21 | Community | Ground water | 4,833 | 0 |
| HARRIS COUNTY MUD 432 | Community | Ground water | 4,782 | 0 |
| HARRIS COUNTY MUD 119 | Community | Ground water | 4,758 | 0 |
| HARRIS COUNTY WCID 92 | Community | Ground water | 4,752 | 0 |
| CINCO MUD 2 | Community | Purchased ground water | 4,743 | 0 |
| HARRIS COUNTY MUD 501 | Community | Purchased surface water | 4,740 | 0 |
| HARRIS COUNTY MUD 360 | Community | Ground water | 4,707 | 0 |
| HARRIS COUNTY MUD 106 | Community | Ground water | 4,668 | 0 |
| HARRIS FORT BEND COUNTIES MUD 5 | Community | Ground water | 4,641 | 0 |
| HARRIS COUNTY MUD 185 | Community | Purchased surface water | 4,617 | 0 |
| FOUNTAINHEAD MUD | Community | Purchased surface water | 4,614 | 0 |
| MONTGOMERY COUNTY MUD 115 | Community | Purchased ground water | 4,599 | 0 |
| FORT BEND COUNTY MUD 152 | Community | Purchased surface water | 4,575 | 0 |
| HARRIS COUNTY MUD 130 | Community | Purchased surface water | 4,572 | 0 |
| CHELFORD ONE MUD | Community | Ground water | 4,557 | 0 |
| SUNBELT FWSD WOODLAND OAKS SUBDIVISION | Community | Purchased surface water | 4,527 | 0 |
| HARRIS COUNTY MUD 344 | Community | Purchased surface water | 4,518 | 0 |
| HARRIS COUNTY MUD 284 | Community | Ground water | 4,506 | 0 |
| NORTHWEST HARRIS COUNTY MUD 23 | Community | Ground water | 4,470 | 0 |
| RENN ROAD MUD | Community | Ground water | 4,464 | 3 |
| HARRIS COUNTY MUD 365 | Community | Ground water | 4,461 | 0 |
| HARRIS COUNTY MUD 69 | Community | Ground water | 4,458 | 0 |
| HARRIS COUNTY MUD 370 | Community | Purchased surface water | 4,452 | 0 |
| HARRIS COUNTY MUD 104 | Community | Purchased surface water | 4,449 | 0 |
| CLAY ROAD MUD | Community | Purchased surface water | 4,443 | 0 |
| MONTGOMERY COUNTY MUD 19 | Community | Ground water | 4,422 | 0 |
| HARRIS COUNTY MUD 397 | Community | Purchased ground water | 4,413 | 0 |
| HARRIS COUNTY MUD 172 | Community | Purchased surface water | 4,404 | 0 |
| FORT BEND COUNTY MUD 42 WAT PLAT | Community | Ground water | 4,395 | 0 |
| KINGS MANOR MUD | Community | Ground water | 4,377 | 0 |
| FORT BEND COUNTY MUD 165 | Community | Purchased surface water | 4,314 | 0 |
| SIENNA MUD 12 | Community | Ground water | 4,311 | 0 |
| CYPRESSWOOD UTILITY DISTRICT | Community | Purchased surface water | 4,305 | 3 |
| HARRIS COUNTY MUD 322 | Community | Purchased ground water | 4,266 | 0 |
| PLANTATION MUD | Community | Ground water | 4,263 | 0 |
| CINCO MUD 7 | Community | Purchased ground water | 4,239 | 0 |
| HARRIS COUNTY MUD 166 | Community | Purchased surface water | 4,239 | 0 |
| BRAZORIA COUNTY MUD 3 | Community | Purchased ground water | 4,230 | 0 |
| CITY OF SPRING VALLEY VILLAGE | Community | Ground water | 4,229 | 0 |
| SPRING MEADOWS MUD | Community | Purchased surface water | 4,200 | 0 |
| HARRIS COUNTY MUD 536 | Community | Ground water | 4,188 | 0 |
| SIENNA PLANTATION MANAGEMENT DISTRICT | Community | Ground water | 4,179 | 0 |
| FORT BEND COUNTY MUD 41 | Community | Purchased surface water | 4,179 | 0 |
| BRAZORIA - FORT BEND COUNTIES MUD 3 | Community | Ground water | 4,149 | 0 |
| FORT BEND COUNTY MUD 123 | Community | Purchased surface water | 4,143 | 0 |
| HARRIS-WALLER COUNTIES MUD 5 | Community | Purchased ground water | 4,098 | 0 |
| CHAMPIONS MUD | Community | Ground water | 4,098 | 0 |
| HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS | Community | Purchased surface water | 4,083 | 0 |
| VALLEY RANCH MUD 1 | Community | Purchased ground water | 4,056 | 0 |
| HARRIS COUNTY MUD 423 | Community | Purchased surface water | 4,044 | 0 |
| HARRIS COUNTY MUD 342 | Community | Purchased ground water | 4,035 | 0 |
| EAST MONTGOMERY COUNTY MUD 7 | Community | Purchased ground water | 4,035 | 0 |
| HARRIS COUNTY MUD 186 | Community | Purchased surface water | 4,005 | 0 |
| HARRIS COUNTY MUD 183 | Community | Purchased surface water | 3,981 | 0 |
| FORT BEND COUNTY MUD 48 | Community | Purchased ground water | 3,969 | 0 |
| CYPRESS KLEIN UTILITY DISTRICT WIMBLETON | Community | Ground water | 3,960 | 0 |
| EAST MONTGOMERY COUNTY MUD 6 | Community | Purchased ground water | 3,939 | 0 |
| HARRIS COUNTY MUD 6 CARRIAGE LANE | Community | Purchased surface water | 3,936 | 0 |
| SOUTHERN WATER | Community | Ground water | 3,933 | 0 |
| WESTLAKE MUD 1 | Community | Ground water | 3,909 | 0 |
| NORTHGATE CROSSING MUD 1 | Community | Ground water | 3,906 | 0 |
| DENTON COUNTY FWSD 11-B | Community | Purchased surface water | 3,897 | 0 |
| HARRIS COUNTY MUD 173 | Community | Purchased surface water | 3,894 | 0 |
| GRAND LAKES MUD 4 | Community | Purchased surface water | 3,867 | 0 |
| FORT BEND COUNTY MUD 81 WESTON LAKES | Community | Ground water | 3,855 | 0 |
| HARRIS COUNTY MUD 345 | Community | Ground water | 3,843 | 0 |
| CINCO MUD 9 | Community | Purchased ground water | 3,828 | 0 |
| MONTGOMERY COUNTY UD 3 | Community | Ground water | 3,825 | 0 |
| HARRIS COUNTY MUD 401 | Community | Ground water | 3,813 | 0 |
| HARRIS FORT BEND COUNTIES MUD 1 | Community | Purchased ground water | 3,812 | 0 |
| NORTHWEST HARRIS COUNTY MUD 30 | Community | Purchased surface water | 3,804 | 0 |
| CITY OF BUNKER HILL VILLAGE | Community | Purchased surface water | 3,771 | 0 |
| NORTHGATE CROSSING MUD 2 | Community | Ground water | 3,753 | 0 |
| POSTWOOD MUD | Community | Ground water | 3,747 | 0 |
| ENCANTO REAL UTILITY DISTRICT | Community | Ground water | 3,717 | 0 |
| FRY ROAD MUD | Community | Ground water | 3,696 | 0 |
| NORTHWEST FREEWAY MUD | Community | Ground water | 3,678 | 0 |
| MONTGOMERY COUNTY MUD 99 | Community | Purchased surface water | 3,675 | 0 |
| FORT BEND COUNTY MUD 229 | Community | Ground water | 3,666 | 0 |
| FORT BEND COUNTY MUD 185 | Community | Ground water | 3,663 | 0 |
| NORTHWEST HARRIS COUNTY MUD 36 | Community | Purchased surface water | 3,648 | 0 |
| HARRIS COUNTY MUD 11 | Community | Ground water | 3,645 | 0 |
| HARRIS COUNTY MUD 208 | Community | Purchased surface water | 3,642 | 0 |
| HARRIS COUNTY MUD 216 | Community | Ground water | 3,627 | 0 |
| HARRIS COUNTY WCID 116 | Community | Ground water | 3,627 | 0 |
| EL DORADO UTILITY DISTRICT | Community | Ground water | 3,591 | 0 |
| FORT BEND COUNTY MUD 222 | Community | Purchased ground water | 3,582 | 0 |
| HARRIS COUNTY MUD 281 | Community | Ground water | 3,573 | 0 |
| HARRIS COUNTY MUD 264 | Community | Purchased surface water | 3,573 | 0 |
| BRAZORIA COUNTY MUD 2 | Community | Ground water | 3,567 | 0 |
| HARRIS COUNTY MUD 149 | Community | Ground water | 3,543 | 0 |
| HARRIS COUNTY MUD 62 | Community | Ground water | 3,519 | 0 |
| HARRIS COUNTY MUD 287 | Community | Purchased ground water | 3,510 | 0 |
| KLEIN PUD | Community | Ground water | 3,504 | 0 |
| HARRIS COUNTY WCID 132 | Community | Purchased surface water | 3,501 | 0 |
| HARRIS COUNTY MUD 257 | Community | Purchased surface water | 3,501 | 0 |
| PINE VILLAGE PUD | Community | Purchased surface water | 3,498 | 0 |
| HARRIS COUNTY UD 15 | Community | Purchased ground water | 3,489 | 0 |
| HARRIS COUNTY MUD 412 | Community | Purchased surface water | 3,480 | 0 |
| WILLOW CREEK FARMS MUD | Community | Ground water | 3,453 | 0 |
| OAKMONT PUD | Community | Ground water | 3,450 | 0 |
| WEST HARRIS COUNTY MUD 6 | Community | Ground water | 3,435 | 0 |
| NORTHWEST HARRIS COUNTY MUD 20 | Community | Ground water | 3,429 | 0 |
| HARRIS COUNTY MUD 249 | Community | Ground water | 3,420 | 0 |
| GRANT ROAD PUD | Community | Purchased surface water | 3,393 | 0 |
| MONTGOMERY COUNTY UD 2 | Community | Ground water | 3,381 | 0 |
| FORT BEND COUNTY MUD 122 | Community | Purchased surface water | 3,366 | 0 |
| WEST HARRIS COUNTY MUD 17 | Community | Ground water | 3,354 | 0 |
| FORT BEND COUNTY FWSD 1 | Community | Ground water | 3,309 | 0 |
| HARRIS COUNTY MUD 558 | Community | Purchased ground water | 3,300 | 0 |
| MONTGOMERY COUNTY MUD 105 | Community | Ground water | 3,282 | 0 |
| HARRIS COUNTY MUD 8 | Community | Purchased surface water | 3,271 | 0 |
| HARRIS COUNTY MUD 282 | Community | Purchased ground water | 3,237 | 0 |
| POINT AQUARIUS MUD | Community | Ground water | 3,228 | 0 |
| SUNBELT FWSD NORTHLINE TERRACE | Community | Ground water | 3,225 | 0 |
| GRAND LAKES MUD 1 | Community | Purchased surface water | 3,219 | 0 |
| HARRIS COUNTY MUD 144 | Community | Purchased surface water | 3,219 | 1 |
| HARRIS COUNTY MUD 396 | Community | Purchased ground water | 3,201 | 0 |
| WOODCREEK MUD | Community | Ground water | 3,192 | 0 |
| HARRIS COUNTY WCID 136 | Community | Ground water | 3,192 | 0 |
| HARRIS COUNTY MUD 23 | Community | Purchased surface water | 3,170 | 0 |
| NORTHWEST HARRIS COUNTY MUD 22 | Community | Purchased surface water | 3,156 | 0 |
| FORT BEND COUNTY MUD 130 | Community | Ground water | 3,150 | 0 |
| HARRIS COUNTY WCID FONDREN ROAD | Community | Purchased surface water | 3,144 | 0 |
| HARRIS COUNTY WCID 161 | Community | Purchased surface water | 3,129 | 0 |
| TERRANOVA WEST MUD | Community | Purchased surface water | 3,120 | 0 |
| FORT BEND COUNTY MUD 131 | Community | Ground water | 3,114 | 0 |
| DENTON COUNTY FWSD 8-B | Community | Purchased surface water | 3,090 | 0 |
| BAYBROOK MUD 1 | Community | Purchased surface water | 3,087 | 0 |
| WOOD TRACE MUD 1 | Community | Ground water | 3,084 | 0 |
| CINCO MUD 6 | Community | Purchased ground water | 3,048 | 0 |
| BRAZORIA COUNTY MUD 39 | Community | Purchased ground water | 3,036 | 0 |
| HARRIS COUNTY MUD 147 | Community | Ground water | 3,003 | 0 |
| HARRIS COUNTY WCID 91 | Community | Ground water | 3,000 | 0 |
| NORTHWEST HARRIS COUNTY MUD 29 | Community | Ground water | 3,000 | 1 |
| CYPRESS CREEK UTILITY DISTRICT | Community | Purchased surface water | 2,988 | 0 |
| GREEN TRAILS MUD | Community | Ground water | 2,982 | 0 |
| HARRIS COUNTY MUD 399 | Community | Purchased ground water | 2,967 | 0 |
| HARRIS COUNTY MUD 480 | Community | Ground water | 2,964 | 0 |
| FOREST HILLS MUD | Community | Ground water | 2,955 | 0 |
| DENTON COUNTY FWSD 8-A | Community | Purchased surface water | 2,955 | 0 |
| SUNBELT FWSD HEATHER GLEN SUBDIVISION | Community | Ground water | 2,943 | 0 |
| HARRIS COUNTY MUD 202 | Community | Ground water | 2,940 | 0 |
| BRAZORIA COUNTY MUD 53 | Community | Ground water | 2,910 | 0 |
| GALVESTON COUNTY MUD 12 | Community | Purchased surface water | 2,900 | 1 |
| HARRIS COUNTY MUD 280 | Community | Purchased ground water | 2,898 | 0 |
| FORT BEND COUNTY MUD 47 | Community | Purchased ground water | 2,874 | 0 |
| HARRIS COUNTY MUD 434 | Community | Ground water | 2,859 | 0 |
| RANKIN ROAD WEST MUD | Community | Purchased surface water | 2,838 | 0 |
| EAST MONTGOMERY COUNTY MUD 12 | Community | Ground water | 2,838 | 0 |
| HARRIS COUNTY MUD 155 | Community | Purchased surface water | 2,829 | 0 |
| MORTON ROAD MUD | Community | Purchased surface water | 2,817 | 0 |
| FORT BEND COUNTY MUD 141 | Community | Ground water | 2,790 | 2 |
| TIMBERLAKE IMPROVEMENT DISTRICT | Community | Ground water | 2,775 | 0 |
| NORTH BELT UTILITY DISTRICT | Community | Ground water | 2,775 | 0 |
| HARRIS COUNTY UD 14 | Community | Ground water | 2,769 | 0 |
| MONTGOMERY COUNTY MUD 98 | Community | Purchased surface water | 2,766 | 0 |
| NORTHWEST HARRIS COUNTY MUD 16 | Community | Ground water | 2,742 | 0 |
| FORT BEND COUNTY MUD 134E | Community | Ground water | 2,733 | 0 |
| WEST HARRIS COUNTY MUD 14 | Community | Purchased surface water | 2,727 | 0 |
| MONTGOMERY COUNTY MUD 138 | Community | Purchased ground water | 2,712 | 0 |
| HARRIS COUNTY MUD 389 | Community | Ground water | 2,676 | 0 |
| HARRIS COUNTY MUD 162 | Community | Purchased surface water | 2,661 | 0 |
| BRAZORIA COUNTY MUD 56 | Community | Ground water | 2,643 | 0 |
| SPRING WEST MUD | Community | Ground water | 2,639 | 0 |
| HARRIS COUNTY MUD 372 | Community | Purchased surface water | 2,613 | 0 |
| HARRIS COUNTY MUD 542 | Community | Ground water | 2,592 | 0 |
| CINCO MUD 10 | Community | Purchased ground water | 2,583 | 0 |
| HARRIS COUNTY MUD 371 | Community | Purchased surface water | 2,577 | 0 |
| HARRIS COUNTY FWSD 1A | Community | Purchased surface water | 2,560 | 0 |
| PALMER PLANTATION MUD 2 | Community | Ground water | 2,559 | 0 |
| MONTGOMERY COUNTY MUD 84 | Community | Purchased ground water | 2,553 | 0 |
| BAMMEL UTILITY DISTRICT | Community | Ground water | 2,550 | 0 |
| FORT BEND COUNTY MUD 124 | Community | Ground water | 2,544 | 0 |
| HARRIS COUNTY MUD 215 | Community | Ground water | 2,541 | 0 |
| HARRIS COUNTY MUD 217 | Community | Purchased surface water | 2,538 | 0 |
| WHITE OAK BEND MUD | Community | Ground water | 2,520 | 0 |
| CINCO MUD 3 | Community | Purchased ground water | 2,517 | 0 |
| CASTLEWOOD MUD | Community | Ground water | 2,505 | 0 |
| MONTGOMERY COUNTY MUD 111 | Community | Purchased ground water | 2,502 | 0 |
| CHAMBERS COUNTY MUD 1 | Community | Purchased surface water | 2,500 | 0 |
| NORTHWEST HARRIS COUNTY MUD 21 | Community | Purchased surface water | 2,493 | 0 |
| MONTGOMERY COUNTY MUD 127 | Community | Purchased ground water | 2,478 | 0 |
| CINCO MUD 5 | Community | Purchased ground water | 2,460 | 2 |
| CITY OF SOUTHSIDE PLACE | Community | Purchased surface water | 2,457 | 0 |
| FORT BEND COUNTY MUD 24 | Community | Purchased ground water | 2,454 | 0 |
| BEECHNUT MUD | Community | Ground water | 2,451 | 0 |
| INVERNESS FOREST IMPROVEMENT DISTRICT | Community | Ground water | 2,448 | 0 |
| SPRING CREEK FOREST PUD | Community | Purchased surface water | 2,427 | 0 |
| HARRIS COUNTY MUD 531 | Community | Ground water | 2,421 | 0 |
| HARRIS COUNTY MUD 341 | Community | Purchased surface water | 2,421 | 0 |
| FORT BEND COUNTY MUD 218 | Community | Purchased surface water | 2,412 | 0 |
| ROLLING FORK PUD | Community | Purchased surface water | 2,391 | 0 |
| WEST HARRIS COUNTY MUD 5 | Community | Ground water | 2,370 | 0 |
| HARRIS MONTGOMERY COUNTIES MUD 386 MAY V | Community | Purchased surface water | 2,364 | 0 |
| HARRIS COUNTY WCID 99 | Community | Ground water | 2,343 | 0 |
| MONTGOMERY COUNTY MUD 96 | Community | Ground water | 2,334 | 0 |
| SHASLA PUD | Community | Ground water | 2,310 | 0 |
| HARRIS COUNTY MUD 422 | Community | Purchased surface water | 2,307 | 0 |
| HARRIS COUNTY MUD 44 | Community | Ground water | 2,301 | 0 |
| KIRKMONT MUD | Community | Purchased surface water | 2,289 | 0 |
| CINCO MUD 12 | Community | Purchased ground water | 2,274 | 0 |
| NORTHWEST HARRIS COUNTY MUD 6 | Community | Purchased surface water | 2,256 | 0 |
| EAST MONTGOMERY COUNTY MUD 3 | Community | Ground water | 2,250 | 0 |
| FORT BEND COUNTY MUD 46 | Community | Purchased surface water | 2,247 | 0 |
| FORT BEND COUNTY MUD 158 | Community | Purchased surface water | 2,214 | 0 |
| MONTGOMERY COUNTY MUD 83 | Community | Ground water | 2,208 | 0 |
| HARRIS COUNTY MUD 156 | Community | Purchased surface water | 2,082 | 0 |
| GRAND LAKES MUD 2 | Community | Purchased surface water | 2,076 | 0 |
| MONTGOMERY COUNTY MUD 164 | Community | Ground water | 2,076 | 0 |
| LAKE CONROE HILLS MUD | Community | Ground water | 2,058 | 0 |
| AUDUBON MUD 1 | Community | Ground water | 2,049 | 0 |
| PALMER PLANTATION MUD 1 | Community | Ground water | 2,031 | 0 |
| HARRIS COUNTY MUD 61 | Community | Ground water | 2,016 | 0 |
| GRAND OAKS MUD | Community | Purchased ground water | 2,013 | 0 |
| BRAZORIA COUNTY MUD 40 | Community | Ground water | 1,986 | 0 |
| DENTON COUNTY FWSD 11-C | Community | Purchased surface water | 1,977 | 0 |
| SEDONA LAKES MUD 1 | Community | Ground water | 1,977 | 0 |
| BRAZORIA COUNTY MUD 32 | Community | Purchased ground water | 1,971 | 0 |
| HARRIS COUNTY FWSD 58 | Community | Ground water | 1,968 | 0 |
| HARRIS COUNTY MUD 530 | Community | Ground water | 1,959 | 0 |
| MONTGOMERY COUNTY MUD 24 | Community | Ground water | 1,956 | 0 |
| HARRIS COUNTY MUD 494 | Community | Purchased ground water | 1,944 | 0 |
| HARRIS COUNTY MUD 420 | Community | Purchased surface water | 1,941 | 0 |
| MEMORIAL HILLS UTILITY DISTRICT | Community | Ground water | 1,929 | 0 |
| HARRIS COUNTY MUD 213-A | Community | Purchased surface water | 1,926 | 0 |
| FORT BEND COUNTY MUD 184 | Community | Purchased surface water | 1,884 | 3 |
| NORTHEAST HARRIS COUNTY MUD 1 EDGEWOOD V | Community | Purchased surface water | 1,842 | 0 |
| FORT BEND COUNTY MUD 206 VICTORIAN GARDE | Community | Purchased surface water | 1,836 | 0 |
| ELLIS COUNTY FWSD 1 | Community | Purchased surface water | 1,812 | 0 |
| FORT BEND COUNTY MUD 220 | Community | Ground water | 1,812 | 0 |
| NORTHEAST HARRIS COUNTY MUD 1 SHELDON RI | Community | Purchased ground water | 1,788 | 0 |
| LONGHORN TOWN UTILITY DISTRICT | Community | Ground water | 1,788 | 0 |
| HARRIS COUNTY MUD 220 | Community | Purchased surface water | 1,773 | 0 |
| FORT BEND COUNTY MUD 156 | Community | Purchased ground water | 1,719 | 0 |
| GENERATION PARK MANAGEMENT DISTRICT | Community | Purchased surface water | 1,687 | 0 |
| HARRIS COUNTY MUD 552 | Community | Purchased surface water | 1,683 | 0 |
| WILLOW POINT MUD | Community | Ground water | 1,668 | 0 |
| FORT BEND COUNTY MUD 37 | Community | Ground water | 1,662 | 0 |
| NORTHWEST HARRIS COUNTY MUD 28 | Community | Purchased surface water | 1,605 | 0 |
| FAR HILLS UTILITY DISTRICT | Community | Ground water | 1,596 | 0 |
| SOUTHWEST HARRIS COUNTY MUD 1 | Community | Purchased surface water | 1,581 | 5 |
| WEST HARRIS COUNTY MUD 4 | Community | Ground water | 1,581 | 0 |
| WEST HARRIS COUNTY MUD 1 | Community | Purchased ground water | 1,581 | 0 |
| HARRIS COUNTY MUD 205 | Community | Purchased ground water | 1,560 | 0 |
| NORTH FOREST MUD | Community | Ground water | 1,545 | 0 |
| EAST MONTGOMERY COUNTY MUD 4 | Community | Ground water | 1,500 | 0 |
| FORT BEND COUNTY MUD 19 | Community | Purchased ground water | 1,497 | 0 |
| MONTGOMERY COUNTY MUD 145 | Community | Purchased ground water | 1,476 | 0 |
| HARRIS COUNTY MUD 559 | Community | Ground water | 1,470 | 0 |
| HARRIS COUNTY MUD 36 | Community | Ground water | 1,464 | 0 |
| HARRIS COUNTY MUD 261 | Community | Purchased surface water | 1,452 | 0 |
| MONTGOMERY COUNTY MUD 166 | Community | Purchased surface water | 1,443 | 0 |
| HARRIS COUNTY MUD 275 | Community | Ground water | 1,428 | 0 |
| HARRIS COUNTY MUD 537 | Community | Purchased surface water | 1,416 | 0 |
| LOUETTA ROAD UTILITY DISTRICT | Community | Purchased surface water | 1,410 | 0 |
| WOODRIDGE MUD | Community | Purchased ground water | 1,407 | 0 |
| WALLER COUNTY ROAD IMPROVEMENT DIST 1 | Community | Ground water | 1,400 | 0 |
| MONTGOMERY COUNTY MUD 152A | Community | Purchased ground water | 1,344 | 0 |
| HARRIS COUNTY MUD 490 | Community | Purchased surface water | 1,293 | 0 |
| PINEHURST DECKER PRAIRIE WSC | Community | Ground water | 1,287 | 0 |
| MEMORIAL POINT UTILITIES DISTRICT | Community | Ground water | 1,285 | 0 |
| HARRIS COUNTY MUD 551 | Community | Purchased surface water | 1,269 | 0 |
| HARRIS COUNTY MUD 421 | Community | Purchased surface water | 1,269 | 0 |
| FORT BEND COUNTY MUD 145 RIO VISTA | Community | Purchased ground water | 1,263 | 0 |
| HARRIS COUNTY WCID 113 ENCHANTED VILLAGE | Community | Ground water | 1,233 | 0 |
| CHARLESTON MUD | Community | Ground water | 1,212 | 0 |
| MONTGOMERY COUNTY MUD 199 | Community | Ground water | 1,203 | 0 |
| HARRIS COUNTY MUD 255 | Community | Purchased surface water | 1,185 | 0 |
| HARRIS COUNTY MUD 500 | Community | Purchased surface water | 1,158 | 0 |
| HARRIS COUNTY MUD 122 | Community | Purchased surface water | 1,158 | 0 |
| HARRIS COUNTY WCID 156 | Community | Purchased surface water | 1,116 | 0 |
| HARRIS COUNTY MUD 570C | Community | Purchased ground water | 1,113 | 0 |
| CITY OF HOUSTON DISTRICT 82 | Community | Ground water | 1,104 | 0 |
| ROYALWOOD MUD | Community | Ground water | 1,101 | 0 |
| CORINTHIAN POINT MUD 2 | Community | Ground water | 1,086 | 0 |
| LUCE BAYOU PUD | Community | Ground water | 1,083 | 0 |
| FORT BEND COUNTY MUD 49 | Community | Purchased ground water | 1,080 | 0 |
| HARRIS COUNTY MUD 547 | Community | Purchased ground water | 1,074 | 0 |
| HARRIS COUNTY MUD 136 | Community | Purchased surface water | 1,062 | 0 |
| BAKER ROAD MUD | Community | Purchased ground water | 1,062 | 0 |
| SEQUOIA IMPROVEMENT DISTRICT | Community | Ground water | 1,038 | 0 |
| HARRIS COUNTY MUD 465 | Community | Ground water | 1,026 | 0 |
| MONTGOMERY COUNTY MUD 141 | Community | Purchased ground water | 978 | 2 |
| MONTGOMERY COUNTY MUD 56 | Community | Ground water | 972 | 0 |
| CITY OF HILSHIRE VILLAGE | Community | Purchased surface water | 945 | 0 |
| TEXAS NATIONAL MUD | Community | Ground water | 931 | 1 |
| HARRIS COUNTY MUD 250 | Community | Purchased surface water | 930 | 0 |
| FIVE OAKS MOBILE HOME SUBDIVISION | Community | Ground water | 915 | 1 |
| CYPRESSWOOD SUBDIVISION WATER SYSTEM | Community | Ground water | 900 | 0 |
| HARRIS COUNTY MUD 321 | Community | Purchased surface water | 882 | 0 |
| HARRIS COUNTY MUD 286 | Community | Purchased surface water | 879 | 0 |
| HARRIS COUNTY MUD 539 | Community | Ground water | 870 | 0 |
| MOUNT HOUSTON SQUARE | Community | Ground water | 836 | 0 |
| WEST HARRIS COUNTY MUD 15 | Community | Purchased surface water | 834 | 0 |
| HARRIS COUNTY MUD 576 | Community | Purchased ground water | 822 | 0 |
| HARRIS COUNTY MUD 503 | Community | Purchased ground water | 819 | 0 |
| BIG SKY MUD | Community | Ground water | 813 | 0 |
| SEVEN HILLS RANCH | Community | Ground water under influence of surface water | 801 | 171 |
| FORT BEND COUNTY MUD 132 | Community | Purchased surface water | 795 | 0 |
| NORTHWOOD MUD 1 | Community | Ground water | 795 | 0 |
| FORT BEND COUNTY MUD 192 | Community | Purchased ground water | 758 | 0 |
| CLOVERCREEK MUD | Community | Ground water | 738 | 0 |
| HARRIS COUNTY IMPROVEMENT DISTRICT 14 | Community | Purchased ground water | 717 | 0 |
| BRAZORIA COUNTY MUD 24 | Community | Purchased ground water | 708 | 0 |
| SUNBELT FWSD OAKGLEN SUBDIVISION | Community | Ground water | 684 | 0 |
| FORT BEND COUNTY MUD 198 | Community | Ground water | 675 | 0 |
| SPORTSMANS WORLD MUD | Community | Surface water | 672 | 34 |
| LAZY RIVER IMPROVEMENT DISTRICT | Community | Ground water | 672 | 0 |
| FORT BEND COUNTY MUD 134F | Community | Purchased ground water | 661 | 0 |
| GALVESTON COUNTY WCID 19 | Community | Ground water | 660 | 9 |
| HARRIS COUNTY MUD 405 | Community | Ground water | 657 | 0 |
| FORT BEND COUNTY WCID 3 | Community | Ground water | 648 | 0 |
| BRAZORIA COUNTY MUD 44 | Community | Purchased ground water | 630 | 0 |
| WEST HOUSTON MOBILE HOME COMMUNITY | Community | Ground water | 630 | 1 |
| WHITE OAK MANOR MOBILE HOME PARK | Community | Ground water | 630 | 0 |
| MONTGOMERY COUNTY MUD 42 | Community | Purchased ground water | 630 | 0 |
| MONTGOMERY COUNTY MUD 16 WHITE OAK PLANT | Community | Ground water | 627 | 0 |
| FORT BEND COUNTY MUD 189 | Community | Ground water | 624 | 0 |
| HUNTER PLACE | Community | Ground water | 606 | 0 |
| HOOKS MOBILE HOME PARK | Community | Ground water | 585 | 0 |
| ROYAL COACH MOBILE HOME VILLAGE | Community | Ground water | 582 | 1 |
| RICHEY ROAD MUD | Community | Ground water | 579 | 0 |
| WILDWOOD MOBILE HOME VILLAGE | Community | Ground water | 577 | 7 |
| HARRIS COUNTY MUD 578 | Community | Purchased surface water | 576 | 0 |
| FORT BEND COUNTY MUD 250A | Community | Purchased ground water | 576 | 0 |
| HARRIS COUNTY MUD 569 | Community | Purchased ground water | 549 | 0 |
| OAK MANOR MUD | Community | Ground water | 537 | 0 |
| HARRIS COUNTY MUD 540 | Community | Purchased ground water | 519 | 0 |
| CINCO SOUTHWEST MUD 1 | Community | Purchased surface water | 513 | 0 |
| HARRIS COUNTY FWSD 45 | Community | Ground water | 504 | 1 |
| ORANGE GROVE WATER SUPPLY | Community | Ground water | 498 | 0 |
| FORT BEND COUNTY MUD 66 | Community | Purchased surface water | 495 | 0 |
| HORSESHOE BEND | Community | Ground water | 492 | 1 |
| HARRIS COUNTY MUD 48 | Community | Purchased ground water | 483 | 0 |
| BURLESON COUNTY MUD 1 | Community | Ground water | 480 | 1 |
| LAMAR IMPROVEMENT DISTRICT | Community | Purchased ground water | 450 | 0 |
| PRESERVE AT HIGHWAY 6 | Community | Ground water | 450 | 0 |
| KINGMONT MOBILE HOME PARK | Community | Ground water | 420 | 1 |
| AIRPORT ROAD MUD | Community | Purchased ground water | 411 | 0 |
| HARRIS COUNTY MUD 211 | Community | Purchased ground water | 405 | 0 |
| CYPRESS FOREST WATER SYSTEM | Community | Ground water | 396 | 0 |
| HARRIS COUNTY MUD 233 | Community | Purchased surface water | 390 | 0 |
| BRAZORIA COUNTY MUD 87 | Community | Ground water | 387 | 0 |
| FORT BEND COUNTY MUD 255 | Community | Purchased surface water | 387 | 0 |
| RALSTON ACRES WATER SUPPLY CORPORATION | Community | Ground water | 385 | 0 |
| CITY OF HOUSTON BELLEAU WOODS | Community | Purchased surface water | 381 | 0 |
| PROVENCE WATER SYSTEM | Community | Ground water | 366 | 0 |
| GREENLAND SQUARE SUBDIVISION WS | Community | Ground water | 357 | 0 |
| SPANISH COVE PUD | Community | Ground water | 357 | 0 |
| PIN OAK MOBILE HOME PARK | Community | Ground water | 345 | 0 |
| BLAKETREE MUD 1 | Community | Ground water | 336 | 0 |
| BENDER CREEK APARTMENTS | Community | Ground water | 330 | 0 |
| MONTGOMERY COUNTY MUD 211 | Community | Purchased ground water | 330 | 0 |
| ADVANCED RV PARK | Community | Purchased surface water | 327 | 0 |
| WESTMONT MOBILE HOME COMMUNITY | Community | Ground water | 309 | 0 |
| SAVANNAH PLANTATION SUBDIVISION | Community | Ground water | 300 | 0 |
| BAYOU FOREST VILLAGE MOBILE HOME PARK | Community | Ground water | 297 | 1 |
| LAGO BELLO MUD 1A | Community | Ground water | 297 | 0 |
| LAKE HOUSTON STORAGE | Community | Ground water | 294 | 0 |
| KIRBY LANDING COMMUNITY | Community | Purchased ground water | 285 | 0 |
| SUNDOWN MOBILE HOME PARK | Community | Ground water | 282 | 0 |
| NEW PROGRESS WATER SPRING VALLEY | Community | Ground water | 282 | 1 |
| HARRIS COUNTY MUD 477 | Community | Purchased ground water | 267 | 0 |
| MONTGOMERY COUNTY MUD 172 | Community | Ground water | 264 | 0 |
| HARRIS COUNTY MUD 493 | Community | Purchased surface water | 255 | 0 |
| BRAZORIA COUNTY MUD 57 MCCOY PARKWAY | Community | Purchased ground water | 255 | 0 |
| MANVEL ROAD TERRACE SUBDIVISION | Community | Ground water | 240 | 1 |
| HARRIS COUNTY MUD 525 | Community | Ground water | 237 | 0 |
| RIVER OAKS SUBDIVISION | Community | Ground water | 234 | 4 |
| CHAMBERS COUNTY MUD 3 | Community | Purchased surface water | 234 | 0 |
| TIDWELL FOREST NEW SUBDIVISION | Community | Ground water | 225 | 1 |
| RIVER RANCH MUD 3 | Community | Purchased ground water | 225 | 0 |
| HARRIS COUNTY MUD 358 | Community | Ground water | 222 | 0 |
| MONTGOMERY COUNTY MUD 158 | Community | Purchased ground water | 219 | 0 |
| MONTGOMERY COUNTY MUD 180 | Community | Ground water | 216 | 0 |
| CASITAS DEL RIO | Community | Purchased surface water | 216 | 0 |
| EAST MONTGOMERY COUNTY MUD 14 | Community | Ground water | 213 | 0 |
| KING RANCH SANTA GERTRUDIS DISTRICT | Community | Ground water | 212 | 0 |
| CARBY MOBILE HOME PARK | Community | Ground water | 210 | 0 |
| WALLER COUNTY MUD 37 | Community | Purchased ground water | 207 | 0 |
| MONTGOMERY COUNTY MUD 185 | Community | Ground water | 195 | 0 |
| LINCOLN SQUARE SUBDIVISION PWS | Community | Ground water | 189 | 0 |
| DERBY ING | Community | Ground water | 174 | 1 |
| CITY OF KEMAH MMD 1 | Community | Purchased surface water | 171 | 0 |
| SUGAR PINES MHP | Community | Ground water | 170 | 4 |
| RIO VILLA WSC | Community | Ground water | 165 | 0 |
| SOUTH MIDLAND COUNTY WATER SYSTEM | Community | Ground water | 165 | 79 |
| MONTGOMERY COUNTY MUD 197 | Community | Purchased ground water | 165 | 0 |
| ALDINE OAKS MHP | Community | Ground water | 150 | 0 |
| TEJAS TRAILS SUBDIVISION | Community | Ground water | 147 | 0 |
| ALBURY MANOR UTILITY COMPANY | Community | Purchased ground water | 141 | 0 |
| HARRIS COUNTY MUD 534 | Community | Purchased ground water | 141 | 0 |
| ROVING MEADOWS WATER SYSTEM | Community | Ground water | 141 | 1 |
| TIMBER RIDGE SECTION 2 | Community | Ground water | 141 | 10 |
| WALLER COUNTY MUD 34C | Community | Ground water | 141 | 0 |
| CHANNEL OAKS WATER SYSTEM | Community | Ground water | 135 | 0 |
| FORT BEND COUNTY MUD 216 | Community | Purchased ground water | 133 | 0 |
| DEER TRAIL MOBILE HOME PARK | Community | Ground water | 126 | 1 |
| ALDINE GARDENS MOBILE HOME PARK | Community | Ground water | 126 | 1 |
| SWEA GARDENS ESTATES | Community | Purchased surface water | 126 | 0 |
| HARRIS COUNTY MUD 538 | Community | Purchased ground water | 126 | 0 |
| FORT BEND COUNTY WCID 8 | Community | Ground water | 126 | 0 |
| HARRIS COUNTY LEADERSHIP ACADEMY | Community | Ground water | 125 | 1 |
| LAZY LANE MOBILE HOME PARK | Community | Ground water | 120 | 1 |
| SUBURBAN MOBILE HOME PARK 2 | Community | Ground water | 120 | 0 |
| MCFARLAND VILLAGE APARTMENTS | Community | Ground water | 120 | 2 |
| HARRIS-WALLER COUNTIES MUD 4 | Community | Purchased ground water | 114 | 0 |
| GATEWAY DEVELOPMENT | Community | Ground water | 108 | 0 |
| JOHNSONS WATER SERVICE | Community | Ground water | 105 | 0 |
| COUNTRY LIVING APARTMENTS | Community | Ground water | 105 | 0 |
| LEANING OAK MOBILE HOME PARK | Community | Ground water | 105 | 1 |
| FORT BEND COUNTY MUD 134D | Community | Purchased surface water | 105 | 0 |
| CRYSTAL LAKE MHP, LLC | Community | Purchased ground water | 100 | 0 |
| RENES WATER SYSTEM | Community | Ground water | 100 | 1 |
| REED ESTATES WATER SYSTEM | Community | Ground water | 96 | 1 |
| CYPRESSWOOD MHP | Community | Ground water | 96 | 0 |
| BLUEBONNET MOBILE HOME PARK | Community | Ground water | 93 | 1 |
| PADOK TIMBERS SUBDIVISION WS | Community | Ground water | 92 | 1 |
| HIGHLAND MEADOWS MOBILE HOME PARK | Community | Ground water | 87 | 0 |
| ZAM ZAM WATER SUPPLY | Community | Ground water | 87 | 1 |
| FAIRWAY MOBILE HOME VILLAGE | Community | Ground water | 84 | 1 |
| BOULAIS MOBILE HOME PARK | Community | Ground water | 84 | 0 |
| CLEVELAND MH AND RV PARK | Community | Ground water | 84 | 0 |
| FAIRVIEW MOBILE HOME COMMUNITY | Community | Ground water | 84 | 0 |
| OAK HILL ACRES MOBILE HOME SUBDIVISION | Community | Ground water | 81 | 1 |
| CYPRESS GARDENS MOBILE HOME SUBDIVISION | Community | Ground water | 81 | 0 |
| BALABAN APARTMENTS 1 | Community | Ground water | 80 | 1 |
| OAK ACRES MOBILE HOME PARK | Community | Ground water | 80 | 1 |
| SUNSET MOBILE HOME PARK 2 | Community | Ground water | 78 | 1 |
| RIVERTON RANCH | Community | Ground water | 78 | 0 |
| ARENOSA CREEK ESTATES | Community | Ground water | 75 | 0 |
| LA CASITA HOMES II | Community | Ground water | 75 | 1 |
| NOBLE ESTATES MHP | Community | Ground water | 75 | 0 |
| LONE WILLOW MHP WEST | Community | Ground water | 75 | 1 |
| FAIRVIEW GARDENS MHP | Community | Ground water | 75 | 0 |
| WESTFIELD MEADOWS | Community | Ground water | 72 | 0 |
| COUNTRY LIVING MOBILE HOME PARK | Community | Ground water | 72 | 1 |
| TALLOWS MOBILE HOME PARK | Community | Ground water | 72 | 1 |
| HARRIS COUNTY MUD 25 BROOK HOLLOW WEST S | Community | Purchased surface water | 69 | 0 |
| SATSUMA PARK VILLA MOBILE HOME PARK | Community | Ground water | 66 | 1 |
| HORTON ESTATES CONDOMINIUM TRUST, INC. | Community | Ground water | 64 | 0 |
| WHITEWING SUBDIVISION | Community | Ground water | 64 | 1 |
| PEEK ROAD MOBILE HOME PARK | Community | Ground water | 63 | 1 |
| RILEY ROAD ESTATES WS | Community | Ground water | 63 | 0 |
| HAVENSHIRE WATER SYSTEM | Community | Ground water | 63 | 1 |
| WILLOW RIVER FARMS | Community | Ground water | 60 | 1 |
| FALL BRANCH ESTATES | Community | Ground water | 60 | 1 |
| GRANGER SUBDIVISION | Community | Ground water | 60 | 0 |
| KING RANCH LAURELES DIVISION | Community | Ground water | 60 | 0 |
| MONTGOMERY COUNTY MUD 144 | Community | Ground water | 60 | 0 |
| CHAMPION LAKES ESTATES WATER PLANT | Community | Ground water | 58 | 0 |
| HARRIS COUNTY MUD 560 | Community | Ground water | 54 | 0 |
| K LAKE TERRACE | Community | Ground water | 54 | 1 |
| FORT BEND COUNTY MUD 188 | Community | Purchased ground water | 54 | 0 |
| ESTATES WATER CORP | Community | Ground water | 51 | 1 |
| BALABAN APARTMENTS 2 | Community | Ground water | 50 | 1 |
| BEAVER CREEK WCID 1 | Community | Ground water | 45 | 5 |
| HARRIS COUNTY MUD 565 | Community | Ground water | 45 | 0 |
| KENDALL COUNTY WCID 3A | Community | Purchased surface water | 45 | 0 |
| AUDUBON MUD 2 | Community | Purchased ground water | 45 | 0 |
| NORTHWOODS MOBILE HOME PARK | Community | Ground water | 45 | 2 |
| SUNSET MOBILE HOME PARK 1 | Community | Ground water | 45 | 1 |
| LUCKY HOMES RV PARK | Community | Ground water | 45 | 0 |
| FORT BEND COUNTY MUD 246 | Community | Ground water | 45 | 0 |
| TEPATITLAN MOBILE HOME PARK | Community | Ground water | 42 | 1 |
| SOLAR VILLAGE HOA | Community | Ground water | 40 | 1 |
| K ESTATES WATER SYSTEM | Community | Ground water | 40 | 1 |
| PINE KNOB SUBDIVISION | Community | Ground water | 39 | 0 |
| KING RANCH NORIAS | Community | Ground water | 34 | 0 |
| QUALITY MOBILE HOME PARK | Community | Ground water | 30 | 0 |
| WALLER COUNTY MUD 19 | Community | Ground water | 27 | 0 |
| HARRIS COUNTY MUD 491 | Community | Purchased ground water | 25 | 0 |
| EAST HOUSTON AT PINEY WOODS MHP | Community | Ground water | 25 | 0 |
| MEADOWS AT CYPRESS CREEK WATER PLANT | Community | Ground water | 25 | 0 |
| NORTH HARRIS COUNTY REGIONAL WATER AUTHO | Community | Purchased surface water | 0 | 0 |
| EAST MONTGOMERY COUNTY MUD 5 | Community | Ground water | 0 | 0 |
| FORT BEND COUNTY MUD 134A | Community | Purchased surface water | 0 | 0 |
| NORTH FORT BEND WATER AUTHORITY | Community | Purchased surface water | 0 | 0 |
| FORT BEND COUNTY MUD 250 | Community | Ground water | 0 | 0 |
| RIVER RANCH MUD 1 | Community | Ground water | 0 | 0 |
| MONTGOMERY COUNTY MUD 157 | Community | Ground water | 0 | 0 |
| HARRIS COUNTY MUD 478 WATER PLANT 1 | Community | Ground water | 0 | 0 |
| HARRIS COUNTY MUD 570D | Community | Ground water | 0 | 0 |
| MONTGOMERY COUNTY MUD 152C | Community | Ground water | 0 | 0 |
| HARRIS COUNTY IMPROVEMENT DISTRICT 13 | Community | Ground water | 0 | 0 |
| WEST HARRIS COUNTY REGIONAL WATER AUTHOR | Community | Purchased surface water | 0 | 0 |
| MUNICIPAL GROUNDWATER SOLUTIONS | Community | Ground water | 0 | 1 |
| HARRIS COUNTY MUD 171 | Community | Ground water | 0 | 0 |
| CENTRAL HARRIS COUNTY REGIONAL WATER AUT | Community | Purchased surface water | 0 | 2 |
| HARRIS COUNTY MUD 387 | Community | Ground water | 0 | 0 |
| NORTH CHANNEL WATER AUTHORITY | Community | Purchased surface water | 0 | 1 |
| HARRIS COUNTY MUD 418 | Community | Purchased surface water | 0 | 0 |
88.8% of households in Houston have broadband internet access. 71.9% have cable, fiber, or DSL service. 14.3% rely solely on cellular data without a wired connection. 8.6% of households have no internet access. 14.2% use only a smartphone without a desktop or laptop. The area is served by 722 water systems, providing water to 5,913,456 people. A total of 459 water quality violations have been recorded over the past 5 years.