Utilities & Infrastructure in Sonora, CA

Water systems, internet access, and utility services

Internet & Broadband Access

Source: Census ACS

Broadband Access

89.7%

of households

Cable / Fiber / DSL

73.4%

of households

No Internet

5.6%

of households

Total Households

2,190

Internet Subscription Types

Cable, Fiber, or DSL

73.4%

Cellular Data Plan

81.0%

Satellite

6.5%

Cellular Only (no wired)

13.5%

No Internet Access

5.6%

Device Ownership

Source: Census ACS

Has Computer

95.1%

of households

Smartphone

87.4%

of households

Desktop / Laptop

69.0%

of households

Tablet

59.8%

of households

Any Computing Device

95.1%

Smartphone

87.4%

Desktop / Laptop

69.0%

Tablet

59.8%

Smartphone Only

16.7%

No Computer

4.9%

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 SDWIS

Water Systems

Population Served

37,743

Violations (5yr)

System Name	Type	Source	Pop. Served	Violations
TUD - UPPER BASIN WATER SYSTEM	Community	Surface water	13,280	0
TUD - SONORA/JAMESTOWN WATER SYSTEM	Community	Surface water	11,054	0
TUD - COLUMBIA WATER SYSTEM	Community	Surface water	5,463	0
TUD - PONDEROSA	Community	Surface water	1,767	0
TUD - TUOLUMNE WATER SYSTEM	Community	Surface water	1,761	0
PHOENIX LAKE ESTATES CC MWC	Community	Ground water	1,168	0
SONORA MEADOWS MUTUAL WTR CO	Community	Purchased surface water	1,123	1
TUD-APPLE VALLEY ESTATES	Community	Ground water	826	0
BELLEVIEW OAKS MUTUAL WATER CO	Community	Ground water	468	0
SLIDE INN SNOWBOWL WATER CO	Community	Ground water	417	0
MOTHER LODE MOBILE ESTATES	Community	Ground water	210	0
TUD-PEACEFUL PINES WATER SYSTEM	Community	Ground water	92	0
TUD-WARDS FERRY RANCHES	Community	Ground water	62	0
PONDEROSA MOBILE HOME PARK	Community	Ground water	52	1

89.7% of households in Sonora have broadband internet access. 73.4% have cable, fiber, or DSL service. 13.5% rely solely on cellular data without a wired connection. 5.6% of households have no internet access. 16.7% use only a smartphone without a desktop or laptop. The area is served by 14 water systems, providing water to 37,743 people. A total of 2 water quality violations have been recorded over the past 5 years.