Utilities & Infrastructure in Rancho Santa Margarita, CA

Water systems, internet access, and utility services

Internet & Broadband Access

Source: Census ACS

Broadband Access

96.7%

of households

Cable / Fiber / DSL

88.5%

of households

No Internet

2.2%

of households

Total Households

17,042

Internet Subscription Types

Cable, Fiber, or DSL

88.5%

Cellular Data Plan

93.7%

Satellite

6.8%

Cellular Only (no wired)

5.8%

No Internet Access

2.2%

Device Ownership

Source: Census ACS

Has Computer

98.0%

of households

Smartphone

95.9%

of households

Desktop / Laptop

90.8%

of households

Tablet

80.1%

of households

Any Computing Device

98.0%

Smartphone

95.9%

Desktop / Laptop

90.8%

Tablet

80.1%

Smartphone Only

2.3%

No Computer

2.0%

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

207,973

Violations (5yr)

System Name	Type	Source	Pop. Served
SANTA MARGARITA WATER DISTRICT	Community	Purchased surface water	168,289
SANTA MARGARITA WATER DISTRICT-ID9	Community	Purchased surface water	39,684
SAN JUAN BASIN AUTHORITY	Community	Ground water	0

96.7% of households in Rancho Santa Margarita have broadband internet access. 88.5% have cable, fiber, or DSL service. 5.8% rely solely on cellular data without a wired connection. 2.2% of households have no internet access. The area is served by 3 water systems, providing water to 207,973 people. No water quality violations have been reported in the past 5 years.