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States → Oregon

GREEN ACRES MHP - UMATILLA CO

PWS ID: OR4100523 · WEST LINN, Oregon 97068

GREEN ACRES MHP - UMATILLA CO serves 200 people in WEST LINN, Oregon using Groundwater water sources. It has 178 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GREEN ACRES MHP - UMATILLA CO

GREEN ACRES MHP - UMATILLA CO is a private-owned community water system that delivers drinking water to 200 residents in WEST LINN, Oregon (Umatilla County) through 75 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 178 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 165 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 Coliform (TCR), recorded in 42 violations (MR). 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. GREEN ACRES MHP - UMATILLA CO's 178 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
200
Total Violations
178
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
75
County
Umatilla
School/Daycare
No
MCL Violations
0
Monitoring Violations
165
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 42 2015
Revised Total Coliform Rule MON 14 2025
Consumer Confidence Rule Other 10 2025
Nitrate MR 9 2020
Lead and Copper Rule MR 5 2017
TTHM MR 4 2015
Total Haloacetic Acids (HAA5) MR 4 2015
E. COLI MR 4 2024
Endrin MR 2 2011
Toxaphene MR 2 2011
Diquat MR 2 2011
OXAMYL MR 2 2011
Dinoseb MR 2 2011
Hexachlorocyclopentadiene MR 2 2011
Carbofuran MR 2 2011
LASSO MR 2 2011
Heptachlor epoxide MR 2 2011
2,4,5-TP MR 2 2011
Pentachlorophenol MR 2 2011
Total Polychlorinated Biphenyls (PCB) MR 2 2011
ETHYLENE DIBROMIDE MR 2 2011
BHC-GAMMA MR 2 2011
Methoxychlor MR 2 2011
Endothall MR 2 2011
Di(2-ethylhexyl) adipate MR 2 2011
Di(2-ethylhexyl) phthalate MR 2 2011
Atrazine MR 2 2011
Heptachlor MR 2 2011
HEXACHLOROBENZENE MR 2 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2011

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 GREEN ACRES MHP - UMATILLA CO.

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 OR4100523 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 Revised Total Coliform Rule MON 14 SDWIS / OR4100523 / 8000
2025 Consumer Confidence Rule Other 10 SDWIS / OR4100523 / 7000
2024 E. COLI MR 4 SDWIS / OR4100523 / 3014
2020 Nitrate MR 9 SDWIS / OR4100523 / 1040
2020 COLIPHAGE MR 1 SDWIS / OR4100523 / 3028
2017 Lead and Copper Rule MR 5 SDWIS / OR4100523 / 5000
2015 Coliform (TCR) MR 42 SDWIS / OR4100523 / 3100
2015 TTHM MR 4 SDWIS / OR4100523 / 2950
2015 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OR4100523 / 2456
2011 Endrin MR 2 SDWIS / OR4100523 / 2005
2011 Toxaphene MR 2 SDWIS / OR4100523 / 2020
2011 Diquat MR 2 SDWIS / OR4100523 / 2032
2011 OXAMYL MR 2 SDWIS / OR4100523 / 2036
2011 Dinoseb MR 2 SDWIS / OR4100523 / 2041
2011 Hexachlorocyclopentadiene MR 2 SDWIS / OR4100523 / 2042

How GREEN ACRES MHP - UMATILLA CO Compares

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

Metric GREEN ACRES MHP - UMATILLA CO Oregon avg Federal benchmark
Total violations 178 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 200 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 GREEN ACRES MHP - UMATILLA CO water safe to drink? ▼
GREEN ACRES MHP - UMATILLA CO (PWS ID: OR4100523) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 200 people using Groundwater sources.
How many people does GREEN ACRES MHP - UMATILLA CO serve? ▼
GREEN ACRES MHP - UMATILLA CO serves 200 people in WEST LINN, Oregon. It is a Private-owned system using Groundwater water sources with 75 service connections.
What type of violations does GREEN ACRES MHP - UMATILLA CO have? ▼
GREEN ACRES MHP - UMATILLA CO has 178 total violations: 0 health-based violations (MCL exceedances or treatment failures), 165 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GREEN ACRES MHP - UMATILLA CO water? ▼
No PFAS testing data is available for GREEN ACRES MHP - UMATILLA CO under the EPA's UCMR5 monitoring program.
What water source does GREEN ACRES MHP - UMATILLA CO use? ▼
GREEN ACRES MHP - UMATILLA CO 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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