Independent directory · evidence, sources, and research gaps shown
US Water Bill PayIndependent U.S. utility directory
Search

State directory · dataset 2026.08

Water utilities serving Washington

Browse 107 indexed systems and see how frequently the directory identified public payment, fee, leak, assistance, and emergency information. Coverage describes the research record—not utility performance.

Washington research snapshot

Public detail found in indexed records

Compare all states →

73%

Online portal identified

78 of 107

18%

Public fee detail

19 of 107

35%

Leak policy detail

37 of 107

34%

Assistance detail

36 of 107

32%

Emergency route

34 of 107

Service area: Seattle and nearby communities served by Seattle Public Utilities

Population: Seattle Public Utilities' official water-system page says its regional supply provides safe drinking water to approximately 1.6 million people in Seattle and nearby communities. The retail utility also bills Seattle water, sewer, drainage, and solid-waste customers; the 1.6-million figure is the regional drinking-water population rather than a claim that every person receives an SPU retail bill.

Billing fields: 7 of 7 documented
Open research profile

Service area: Tacoma, Pierce and King counties, and wholesale municipal water suppliers

Population: More than 300,000 people in Tacoma, Pierce and King counties, plus several municipal water suppliers, according to Tacoma Water’s current customer information.

Billing fields: 3 of 7 documented
Open research profile
WA5301300

Service area: Alderwood, Lynnwood, Bothell, Mountlake Terrace, and surrounding unincorporated Snohomish County service area

Population: 245,715 people (EPA SDWIS PWS ID WA5301300; 2026 active CWS record).

Billing fields: 7 of 7 documented
Open research profile

Service area: Renton, Kent, Maple Valley, and Soos Creek Water & Sewer District service area

Population: 74,172 people served according to the EPA queue; Soos Creek reports more than 34,000 sewer connections and serves the southeast King County district.

Billing fields: 6 of 7 documented
Open research profile

Public Water Authority

Woodinville Water District

WA5341600

Service area: Woodinville and surrounding Woodinville Water District service area

Population: 66,699 people (EPA SDWA queue estimate for WA5341600)

Billing fields: 3 of 7 documented
Open research profile

Private Investor-Owned Utility

Southwood Water System

WA5382844

Service area: Southwood Water System service area in the Tacoma/Puyallup area

Population: 64,155 people (EPA SDWA queue estimate for WA5382844)

Billing fields: 0 of 7 documented
Open research profile

Private Investor-Owned Utility

JBLM Lewis Water System

WA5326050

Service area: Joint Base Lewis-McChord Lewis service area, including Fort Lewis and North Fort Lewis

Population: 35,414 people (EPA SDWA queue estimate for WA5326050); JBLM’s official drinking-water page describes the broader installation system as serving over 55,000 people.

Billing fields: 1 of 7 documented
Open research profile

Municipal Department

OLYMPIA CITY OF

WA5363450

Service area: OLYMPIA

Population: 126966 people (EPA SDWIS 2026Q2 active CWS estimate for WA5363450)

Billing fields: 3 of 7 documented
Open research profile

Public Water Authority

SKAGIT COUNTY PUD 1 JUDY RES

Service area: Skagit County, including Mount Vernon service area

Population: Approximately 111,415 people served by Public Utility District No. 1 of Skagit County water systems.

Billing fields: 7 of 7 documented
Open research profile

Municipal Department

RENTON CITY OF

Service area: Renton

Population: Approximately 108,091 people served by the City of Renton utility system.

Billing fields: 6 of 7 documented
Open research profile

Municipal Department

Auburn City of

Service area: Auburn

Population: Approximately 107,655 people served by the City of Auburn utility system.

Billing fields: 6 of 7 documented
Open research profile

Washington directory notes

How to compare water utilities in Washington

This state hub brings together 107 indexed community water systems, from city departments and public authorities to investor-owned systems and smaller regional providers. A service area may cross municipal boundaries, so use the provider name and service address on your bill when choosing a profile.

The most important distinction is between a directory listing and an official account channel. US Water Bill Pay provides a structured starting point; the utility’s own payment portal, published rate schedule, customer-service office, and mailed notice control your account. Compare the payment route, billing frequency, emergency number, and customer-protection notes before relying on a page for a time-sensitive decision.

If you are helping a household with a high bill, leak, or delinquency notice, open the utility profile and review the payment, shut-off, and leak-adjustment guides together. Keep the bill, account number, confirmation receipts, repair records, and notice dates available when speaking with the provider.