Public water system · WA5354683
ActiveMiller Bay
At a glance
Miller Bay (PWSID WA5354683) is an active community water system in Kitsap County, Washington. It reports serving 1,072 people through 430 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,072
Service connections
430
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Miller Bay compare with other water systems in Kitsap County?
By EPA's size categories, Miller Bay is a small system (501 to 3,300 people). Kitsap County has 220 active public water systems. Its population served is about 31% below the county average of 1,560 people per system, and accounts for 0.3% 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 Miller Bay is well below 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 Miller Bay?
EPA lists Miller Bay 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 Miller Bay have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2024. The violations listed here began between October 1979 and July 2024. By type: 2 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 2 as resolved and 2 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1992-09-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 4 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.
Miller Bay: frequently asked questions
Who runs Miller Bay?
Miller Bay (PWSID WA5354683) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Miller Bay serve?
Miller Bay reports serving 1,072 people through 430 service connections in Kitsap County, Washington.
Where does Miller Bay 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 Miller Bay have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2024. 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 Miller Bay'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. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Miller Bay's water quality report?
As a community water system, Miller Bay 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bremerton City of | Kitsap | 72,951 | Community | Surface water |
| Silverdale Water Dist 16 | Kitsap | 35,163 | Community | Groundwater |
| West Sound Utility District #1 | Kitsap | 28,930 | Community | Groundwater |
| North Perry Ave Water District | Kitsap | 24,402 | Community | Groundwater |
| Poulsbo City of | Kitsap | 18,400 | Community | Groundwater |
| Naval Base Kitsap at Bangor | Kitsap | 16,828 | Community | Groundwater |
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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, “Miller Bay, PWSID WA5354683, Washington”, https://aquacensus.com/water-systems/washington/miller-bay-wa5354683 (data as of October 1, 2026).