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States → Oregon

GOLF MHP

PWS ID: OR4100588 · SEATTLE, Oregon 98126

GOLF MHP serves 60 people in SEATTLE, Oregon using Groundwater water sources. It has 954 recorded EPA violations, including 206 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GOLF MHP

GOLF MHP is a private-owned community water system that delivers drinking water to 60 residents in SEATTLE, Oregon (Malheur County) through 16 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 954 total violations for this system , of which 206 (22%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 680 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Nitrate, recorded in 118 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Oregon, EPA tracks 2,518 public water systems serving 4,005,242 people, with 206,659 cumulative violations and 20,339 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 82.1 violations. GOLF MHP's 954 violations sit above the Oregon average. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
60
Total Violations
954
Health-Based Violations
206
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
16
County
Malheur
School/Daycare
No
MCL Violations
206
Monitoring Violations
680
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 118 2025
Arsenic MCL 80 2025
Public Notice Other 59 2025
Coliform (TCR) MR 52 2016
Gross Alpha, Excl. Radon and U MR 28 2017
Nitrate MR 27 2025
Combined Radium (-226 and -228) MR 27 2015
Combined Uranium MR 27 2017
Lead and Copper Rule MR 17 2015
Arsenic MR 16 2025
Endrin MR 13 2020
BHC-GAMMA MR 12 2020
Methoxychlor MR 12 2020
Heptachlor MR 12 2020
Heptachlor epoxide MR 12 2020
Total Polychlorinated Biphenyls (PCB) MR 12 2020
Toxaphene MR 12 2020
Chlordane MR 12 2020
Dalapon MR 9 2020
Di(2-ethylhexyl) adipate MR 9 2020
OXAMYL MR 9 2020
Simazine MR 9 2020
Di(2-ethylhexyl) phthalate MR 9 2020
Picloram MR 9 2020
Hexachlorocyclopentadiene MR 9 2020
Carbofuran MR 9 2020
Atrazine MR 9 2020
2,4-D MR 9 2020
2,4,5-TP MR 9 2020
HEXACHLOROBENZENE MR 9 2020

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for GOLF MHP.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID OR4100588 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oregon Drinking Water Authority

Oregon's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find OR regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Nitrate MCL 118 SDWIS / OR4100588 / 1040
2025 Arsenic MCL 80 SDWIS / OR4100588 / 1005
2025 Public Notice Other 59 SDWIS / OR4100588 / 7500
2025 Nitrate MR 27 SDWIS / OR4100588 / 1040
2025 Arsenic MR 16 SDWIS / OR4100588 / 1005
2025 Revised Total Coliform Rule MON 6 SDWIS / OR4100588 / 8000
2025 Consumer Confidence Rule Other 5 SDWIS / OR4100588 / 7000
2024 E. COLI MR 5 SDWIS / OR4100588 / 3014
2020 Endrin MR 13 SDWIS / OR4100588 / 2005
2020 BHC-GAMMA MR 12 SDWIS / OR4100588 / 2010
2020 Methoxychlor MR 12 SDWIS / OR4100588 / 2015
2020 Heptachlor MR 12 SDWIS / OR4100588 / 2065
2020 Heptachlor epoxide MR 12 SDWIS / OR4100588 / 2067
2020 Total Polychlorinated Biphenyls (PCB) MR 12 SDWIS / OR4100588 / 2383
2020 Toxaphene MR 12 SDWIS / OR4100588 / 2020

How GOLF MHP Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric GOLF MHP Oregon avg Federal benchmark
Total violations 954 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 206 8.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 24% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 60 1,591 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,518 regulated public water systems in Oregon.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is GOLF MHP water safe to drink? ▼
GOLF MHP (PWS ID: OR4100588) has 954 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 60 people using Groundwater sources.
How many people does GOLF MHP serve? ▼
GOLF MHP serves 60 people in SEATTLE, Oregon. It is a Private-owned system using Groundwater water sources with 16 service connections.
What type of violations does GOLF MHP have? ▼
GOLF MHP has 954 total violations: 206 health-based violations (MCL exceedances or treatment failures), 680 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GOLF MHP water? ▼
No PFAS testing data is available for GOLF MHP under the EPA's UCMR5 monitoring program.
What water source does GOLF MHP use? ▼
GOLF MHP uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial