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Public water system · WA5302601

Active

Fairfield MHP

At a glance

Fairfield MHP (PWSID WA5302601) is an active community water system in Whatcom County, Washington. It reports serving 66 people through 25 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2012.

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

Population served

66

Service connections

25

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5302601
System typeCommunity water system
Activity statusActive
Population served66
Service connections25
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyWhatcom County

How does Fairfield MHP compare with other water systems in Whatcom County?

By EPA's size categories, Fairfield MHP is a very small system (500 people or fewer). Whatcom County has 183 active public water systems. Its population served is well below the county average of 1,437 people per system, and accounts for less than 0.1% of the 263,011 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 Fairfield MHP 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 Fairfield MHP?

EPA lists Fairfield MHP as privately owned. 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. 140 of the 183 active systems in Whatcom County (77%) are also privately owned.

Does Fairfield MHP have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2012. The violations listed here began between January 2005 and July 2012. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminants or rules involved are Consumer Confidence Rule, Arsenic, Nitrate and Antimony. EPA lists 12 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2012-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2010-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Arseniccode 1005YesResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved

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.

Fairfield MHP: frequently asked questions

Who runs Fairfield MHP?

Fairfield MHP (PWSID WA5302601) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Fairfield MHP serve?

Fairfield MHP reports serving 66 people through 25 service connections in Whatcom County, Washington.

Where does Fairfield MHP 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 Fairfield MHP have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2012. 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 Fairfield MHP'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, one is health-based, and the most recent began in July 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Fairfield MHP's water quality report?

As a community water system, Fairfield MHP 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 Whatcom County

Water systemCountyPopulation servedTypeSource
Bellingham-Water Division City ofWhatcom141,127CommunitySurface water
Lynden Water DepartmentWhatcom20,062CommunitySurface water
FerndaleWhatcom19,305CommunityGroundwater
Lwwsd - South Shore Water SystemWhatcom10,028CommunitySurface water
Birch Bay Water & Sewer DistrictWhatcom9,046CommunityPurchased groundwater
Blaine City ofWhatcom6,319CommunityGroundwater

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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, “Fairfield MHP, PWSID WA5302601, Washington”, https://aquacensus.com/water-systems/washington/fairfield-mhp-wa5302601 (data as of October 1, 2026).