Utilities & Infrastructure in St. Helena, CA

Water systems, internet access, and utility services

Internet & Broadband Access

Source: Census ACS

Broadband Access

98.1%

of households

Cable / Fiber / DSL

88.6%

of households

No Internet

1.4%

of households

Total Households

2,311

Internet Subscription Types

Cable, Fiber, or DSL

88.6%

Cellular Data Plan

92.9%

Satellite

6.8%

Cellular Only (no wired)

8.1%

No Internet Access

1.4%

Device Ownership

Source: Census ACS

Has Computer

99.1%

of households

Smartphone

94.9%

of households

Desktop / Laptop

92.0%

of households

Tablet

79.0%

of households

Any Computing Device

99.1%

Smartphone

94.9%

Desktop / Laptop

92.0%

Tablet

79.0%

Smartphone Only

4.9%

No Computer

0.9%

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

6,328

Violations (5yr)

System Name	Type	Source	Pop. Served	Violations
ST. HELENA, CITY OF	Community	Surface water	5,386	12
ADVENTIST HEALTH - ST. HELENA HOSPITAL	Community	Ground water	817	0
SPINDRIFT MARINA	Community	Ground water	100	0
VAILIMA ESTATES MUTUAL WATER	Community	Ground water	25	0

98.1% of households in St. Helena have broadband internet access. 88.6% have cable, fiber, or DSL service. 8.1% rely solely on cellular data without a wired connection. 1.4% of households have no internet access. The area is served by 4 water systems, providing water to 6,328 people. A total of 12 water quality violations have been recorded over the past 5 years.