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LINN WEST

PWS ID: OR4194322 · TANGENT, Oregon 97389

LINN WEST serves 80 people in TANGENT, Oregon using Groundwater water sources. It has 115 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LINN WEST

LINN WEST is a private-owned non-transient non-community water system that delivers drinking water to 80 residents in TANGENT, Oregon (Linn County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 115 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 110 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 4 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. LINN WEST's 115 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
80
Total Violations
115
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Linn
School/Daycare
No
MCL Violations
0
Monitoring Violations
110
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 4 2021
Revised Total Coliform Rule MON 3 2024
cis-1,2-Dichloroethylene MR 2 2017
Xylenes, Total MR 2 2017
DICHLOROMETHANE MR 2 2017
Vinyl chloride MR 2 2017
trans-1,2-Dichloroethylene MR 2 2017
1,1,1-Trichloroethane MR 2 2017
1,2-Dichloropropane MR 2 2017
Trichloroethylene MR 2 2017
1,1,2-Trichloroethane MR 2 2017
Tetrachloroethylene MR 2 2017
Benzene MR 2 2017
Toluene MR 2 2017
Endrin MR 2 2017
BHC-GAMMA MR 2 2017
Methoxychlor MR 2 2017
Dalapon MR 2 2017
Diquat MR 2 2017
Glyphosate MR 2 2017
Di(2-ethylhexyl) adipate MR 2 2017
Di(2-ethylhexyl) phthalate MR 2 2017
Picloram MR 2 2017
Dinoseb MR 2 2017
Carbofuran MR 2 2017
Heptachlor epoxide MR 2 2017
2,4-D MR 2 2017
2,4,5-TP MR 2 2017
Benzo(a)pyrene MR 2 2017
Pentachlorophenol MR 2 2017

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 LINN WEST.

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 OR4194322 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
2024 Revised Total Coliform Rule MON 3 SDWIS / OR4194322 / 8000
2021 Lead and Copper Rule MR 4 SDWIS / OR4194322 / 5000
2019 Nitrate MR 2 SDWIS / OR4194322 / 1040
2017 cis-1,2-Dichloroethylene MR 2 SDWIS / OR4194322 / 2380
2017 Xylenes, Total MR 2 SDWIS / OR4194322 / 2955
2017 DICHLOROMETHANE MR 2 SDWIS / OR4194322 / 2964
2017 Vinyl chloride MR 2 SDWIS / OR4194322 / 2976
2017 trans-1,2-Dichloroethylene MR 2 SDWIS / OR4194322 / 2979
2017 1,1,1-Trichloroethane MR 2 SDWIS / OR4194322 / 2981
2017 1,2-Dichloropropane MR 2 SDWIS / OR4194322 / 2983
2017 Trichloroethylene MR 2 SDWIS / OR4194322 / 2984
2017 1,1,2-Trichloroethane MR 2 SDWIS / OR4194322 / 2985
2017 Tetrachloroethylene MR 2 SDWIS / OR4194322 / 2987
2017 Benzene MR 2 SDWIS / OR4194322 / 2990
2017 Toluene MR 2 SDWIS / OR4194322 / 2991

How LINN WEST Compares

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

Metric LINN WEST Oregon avg Federal benchmark
Total violations 115 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 80 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 LINN WEST water safe to drink? ▼
LINN WEST (PWS ID: OR4194322) has 115 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 80 people using Groundwater sources.
How many people does LINN WEST serve? ▼
LINN WEST serves 80 people in TANGENT, Oregon. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does LINN WEST have? ▼
LINN WEST has 115 total violations: 0 health-based violations (MCL exceedances or treatment failures), 110 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LINN WEST water? ▼
No PFAS testing data is available for LINN WEST under the EPA's UCMR5 monitoring program.
What water source does LINN WEST use? ▼
LINN WEST uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

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