Utilities & Infrastructure in Ontario, CA

Water systems, internet access, and utility services

Internet & Broadband Access

Source: Census ACS

Broadband Access

93.8%

of households

Cable / Fiber / DSL

76.4%

of households

No Internet

4.5%

of households

Total Households

52,664

Internet Subscription Types

Cable, Fiber, or DSL

76.4%

Cellular Data Plan

88.7%

Satellite

10.3%

Cellular Only (no wired)

12.2%

No Internet Access

4.5%

Device Ownership

Source: Census ACS

Has Computer

97.5%

of households

Smartphone

94.7%

of households

Desktop / Laptop

83.1%

of households

Tablet

65.0%

of households

Any Computing Device

97.5%

Smartphone

94.7%

Desktop / Laptop

83.1%

Tablet

65.0%

Smartphone Only

9.8%

No Computer

2.5%

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

185,010

Violations (5yr)

System Name	Type	Source	Pop. Served
ONTARIO MUNICIPAL UTILITIES COMPANY	Community	Purchased surface water	185,010
CHINO BASIN DESALTER AUTH. - DESALTER 2	Community	Ground water	0
CHINO BASIN DESALTER AUTH. - DESALTER 1	Community	Ground water	0

93.8% of households in Ontario have broadband internet access. 76.4% have cable, fiber, or DSL service. 12.2% rely solely on cellular data without a wired connection. 4.5% of households have no internet access. 9.8% use only a smartphone without a desktop or laptop. The area is served by 3 water systems, providing water to 185,010 people. No water quality violations have been reported in the past 5 years.