Utilities & Infrastructure in Black Diamond, WA

Water systems, internet access, and utility services

Internet & Broadband Access

Source: Census ACS

Broadband Access

93.3%

of households

Cable / Fiber / DSL

88.9%

of households

No Internet

2.0%

of households

Total Households

2,181

Internet Subscription Types

Cable, Fiber, or DSL

88.9%

Cellular Data Plan

87.3%

Satellite

2.3%

Cellular Only (no wired)

4.0%

No Internet Access

2.0%

Device Ownership

Source: Census ACS

Has Computer

100.0%

of households

Smartphone

96.1%

of households

Desktop / Laptop

95.1%

of households

Tablet

76.6%

of households

Any Computing Device

100.0%

Smartphone

96.1%

Desktop / Laptop

95.1%

Tablet

76.6%

Smartphone Only

1.2%

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

3,152

Violations (5yr)

System Name	Type	Source	Pop. Served
BLACK DIAMOND WATER DEPT	Community	Ground water	2,420
WESTERN RANCHETTES INC.	Community	Ground water	250
SOUTH AUBURN WATER ASSOCIATION	Community	Ground water	212
MARIANI WATER SYSTEM INC	Community	Ground water	138
Creekside Apartments	Community	Ground water	100
SAWYERWOOD WATER SYSTEM	Community	Ground water	32

93.3% of households in Black Diamond have broadband internet access. 88.9% have cable, fiber, or DSL service. 2.0% of households have no internet access. The area is served by 6 water systems, providing water to 3,152 people. No water quality violations have been reported in the past 5 years.