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Public water system · WA5379300

Active

Silverdale Water Dist 16

At a glance

Silverdale Water Dist 16 (PWSID WA5379300) is an active community water system in Kitsap County, Washington. It reports serving 35,163 people through 10,036 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2016.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

35,163

Service connections

10,036

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5379300
System typeCommunity water system
Activity statusActive
Population served35,163
Service connections10,036
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyKitsap County

How does Silverdale Water Dist 16 compare with other water systems in Kitsap County?

By EPA's size categories, Silverdale Water Dist 16 is a large system (10,001 to 100,000 people). Kitsap County has 220 active public water systems, and Silverdale Water Dist 16 is the 2nd-largest of them by population served. Its population served is about 23 times the county average of 1,560 people per system, and accounts for 10% of the 343,203 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active community water system reports serving 6,703 people, so Silverdale Water Dist 16 is about 5.2 times that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Washington has 2,392 active community water systems, 51% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.

Who owns and regulates Silverdale Water Dist 16?

EPA lists Silverdale Water Dist 16 as owned by a local government. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 49 of the 220 active systems in Kitsap County (22%) are also owned by a local government.

Does Silverdale Water Dist 16 have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2016. The violations listed here began between January 2002 and July 2016. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (4 of them). EPA lists 9 as resolved and 3 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2016-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2008-04-01Monitoring and reportingMonitoring, Regular · code 031,2-Dibromo-3-chloropropane (DBCP)code 2931NoArchived
2008-04-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoArchived
2008-04-01Monitoring and reportingMonitoring, Regular · code 03Ethylene dibromide (EDB)code 2946NoArchived
2006-10-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoResolved
2006-07-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2003-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Silverdale Water Dist 16: frequently asked questions

Who runs Silverdale Water Dist 16?

Silverdale Water Dist 16 (PWSID WA5379300) is a community water system owned by a local government. It is regulated by the WA state drinking water program.

How many people does Silverdale Water Dist 16 serve?

Silverdale Water Dist 16 reports serving 35,163 people through 10,036 service connections in Kitsap County, Washington.

Where does Silverdale Water Dist 16 get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Silverdale Water Dist 16 have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2016. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Silverdale Water Dist 16's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Silverdale Water Dist 16's water quality report?

As a community water system, Silverdale Water Dist 16 must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Kitsap County

Water systemCountyPopulation servedTypeSource
Bremerton City ofKitsap72,951CommunitySurface water
West Sound Utility District #1Kitsap28,930CommunityGroundwater
North Perry Ave Water DistrictKitsap24,402CommunityGroundwater
Poulsbo City ofKitsap18,400CommunityGroundwater
Naval Base Kitsap at BangorKitsap16,828CommunityGroundwater
North PeninsulaKitsap16,449CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Silverdale Water Dist 16, PWSID WA5379300, Washington”, https://aquacensus.com/water-systems/washington/silverdale-water-dist-16-wa5379300 (data as of October 1, 2026).