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GREEN OAKS PARK LLC

PWS ID: OR4100774 · SALEM, Oregon 97304

GREEN OAKS PARK LLC serves 165 people in SALEM, Oregon using Groundwater water sources. It has 134 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GREEN OAKS PARK LLC

GREEN OAKS PARK LLC is a private-owned community water system that delivers drinking water to 165 residents in SALEM, Oregon (Marion County) through 44 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 134 total violations for this system , of which 6 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 126 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Nitrate, recorded in 12 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 OAKS PARK LLC's 134 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
165
Total Violations
134
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
44
County
Marion
School/Daycare
No
MCL Violations
6
Monitoring Violations
126
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 12 2006
Coliform (TCR) MCL 6 2005
Arsenic MR 5 2023
OXAMYL MR 4 2002
Coliform (TCR) MR 3 2004
1,2,4-Trichlorobenzene MR 2 2002
Xylenes, Total MR 2 2002
DICHLOROMETHANE MR 2 2002
trans-1,2-Dichloroethylene MR 2 2002
1,2-Dichloroethane MR 2 2002
1,1,1-Trichloroethane MR 2 2002
Carbon tetrachloride MR 2 2002
1,2-Dichloropropane MR 2 2002
Tetrachloroethylene MR 2 2002
CHLOROBENZENE MR 2 2002
Benzene MR 2 2002
Styrene MR 2 2002
Methoxychlor MR 2 2002
Diquat MR 2 2002
Endothall MR 2 2002
Dinoseb MR 2 2002
Hexachlorocyclopentadiene MR 2 2002
Carbofuran MR 2 2002
Atrazine MR 2 2002
LASSO MR 2 2002
Heptachlor MR 2 2002
2,4-D MR 2 2002
2,4,5-TP MR 2 2002
HEXACHLOROBENZENE MR 2 2002
Pentachlorophenol MR 2 2002

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 OAKS PARK LLC.

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 OR4100774 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
2023 Arsenic MR 5 SDWIS / OR4100774 / 1005
2023 Consumer Confidence Rule Other 1 SDWIS / OR4100774 / 7000
2011 Lead and Copper Rule MR 2 SDWIS / OR4100774 / 5000
2006 Nitrate MR 12 SDWIS / OR4100774 / 1040
2005 Coliform (TCR) MCL 6 SDWIS / OR4100774 / 3100
2004 Coliform (TCR) MR 3 SDWIS / OR4100774 / 3100
2002 OXAMYL MR 4 SDWIS / OR4100774 / 2036
2002 1,2,4-Trichlorobenzene MR 2 SDWIS / OR4100774 / 2378
2002 Xylenes, Total MR 2 SDWIS / OR4100774 / 2955
2002 DICHLOROMETHANE MR 2 SDWIS / OR4100774 / 2964
2002 trans-1,2-Dichloroethylene MR 2 SDWIS / OR4100774 / 2979
2002 1,2-Dichloroethane MR 2 SDWIS / OR4100774 / 2980
2002 1,1,1-Trichloroethane MR 2 SDWIS / OR4100774 / 2981
2002 Carbon tetrachloride MR 2 SDWIS / OR4100774 / 2982
2002 1,2-Dichloropropane MR 2 SDWIS / OR4100774 / 2983

How GREEN OAKS PARK LLC Compares

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

Metric GREEN OAKS PARK LLC Oregon avg Federal benchmark
Total violations 134 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 165 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 OAKS PARK LLC water safe to drink? ▼
GREEN OAKS PARK LLC (PWS ID: OR4100774) has 134 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 165 people using Groundwater sources.
How many people does GREEN OAKS PARK LLC serve? ▼
GREEN OAKS PARK LLC serves 165 people in SALEM, Oregon. It is a Private-owned system using Groundwater water sources with 44 service connections.
What type of violations does GREEN OAKS PARK LLC have? ▼
GREEN OAKS PARK LLC has 134 total violations: 6 health-based violations (MCL exceedances or treatment failures), 126 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GREEN OAKS PARK LLC water? ▼
No PFAS testing data is available for GREEN OAKS PARK LLC under the EPA's UCMR5 monitoring program.
What water source does GREEN OAKS PARK LLC use? ▼
GREEN OAKS PARK LLC 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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