Public water system · OR4100588

Active

Golf MHP

At a glance

Golf MHP (PWSID OR4100588) is an active community water system in Malheur County, Washington. It reports serving 60 people through 16 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, 5 are health-based, and the most recent began in March 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDOR4100588

System typeCommunity water system

Activity statusActive

Population served60

Service connections16

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyOR state drinking water program

City served—

StateWashington

ZIP—

CountyMalheur County

How does Golf MHP compare with other water systems in Malheur County?

By EPA's size categories, Golf MHP is a very small system (500 people or fewer). Malheur County has 2 active public water systems, and Golf MHP is the largest of them by population served. Its population served is about 20% above the county average of 50 people per system, and accounts for 60% of the 100 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 Golf 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 Golf MHP?

EPA lists Golf MHP as privately owned. The OR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 2 active systems in Malheur County (100%) are also privately owned.

Does Golf MHP have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in March 2026. The violations listed here began between December 2025 and March 2026. By type: 5 contaminant level above the legal limit, 4 public notice, recordkeeping or other and 3 monitoring and reporting. The contaminant or rule involved most often is Public Notice (4 of them). EPA lists 6 as archived, 4 as unaddressed and 2 as addressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Addressed means the violation is not resolved or archived and is covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2026-03-21	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2026-03-21	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2026-03-21	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2026-03-21	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2026-03-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Archived
2026-02-23	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Addressed
2026-02-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Archived
2026-01-01	Monitoring and reportingMonitoring, Regular · code 03	Arseniccode 1005	No	Archived
2026-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Archived
2026-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Arseniccode 1005	Yes	Archived
2025-12-22	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Addressed
2025-12-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Archived

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.

Golf MHP: frequently asked questions

Who runs Golf MHP?

Golf MHP (PWSID OR4100588) is a community water system privately owned. It is regulated by the OR state drinking water program.

How many people does Golf MHP serve?

Golf MHP reports serving 60 people through 16 service connections in Malheur County, Washington.

Where does Golf 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 Golf MHP have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in March 2026. 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 Golf 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, 5 are health-based, and the most recent began in March 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.

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

As a community water system, Golf 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 Malheur County

Water system	County	Population served	Type	Source
River Village MHP	Malheur	40	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, “Golf MHP, PWSID OR4100588, Washington”, https://aquacensus.com/water-systems/washington/golf-mhp-or4100588 (data as of October 1, 2026).