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Community Water System · PWS OR4100939

Westfir, City Of

Westfir, Oregon 97492 - drinking water served from surface water sources to 268 people, tracked in EPA SDWIS and UCMR5.

268
People served
189
EPA violations
56
Health-based
Untested
UCMR5 result

The verdict

EPA records 189 drinking-water violations at Westfir, City Of, 30% of them health-based - above the Oregon per-system average.

189
Total EPA violations on record
30%
Health-based (MCL / treatment failure)
268
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Westfir, City Of

Westfir, City Of is a local-owned community water system that delivers drinking water to 268 residents in Westfir, Oregon (Lane County) through 131 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 189 total violations for this system , of which 56 (30%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 129 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 Surface Water Treatment Rule, recorded in 56 violations (TT, 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. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%).

Westfir, City Of's 189 violations sit above the Oregon average.

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
268
Total Violations
189
Health-Based Violations
56
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
131
County
Lane
School/Daycare
No
MCL Violations
0
Monitoring Violations
129
Treatment Tech Violations
56

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 56 2000
Surface Water Treatment Rule MR 56 2025
Interim Enhanced Surface Water Treatment Rule MR 17 2022
Nitrate MR 13 1999
Coliform (TCR) MR 11 2009
Long Term 2 Enhanced Surface Water Treatment Rule MR 1 2008
Endrin MR 1 2002
BHC-GAMMA MR 1 2002
OXAMYL MR 1 2002
Simazine MR 1 2002
Di(2-ethylhexyl) phthalate MR 1 2002
Hexachlorocyclopentadiene MR 1 2002
Carbofuran MR 1 2002
Atrazine MR 1 2002
LASSO MR 1 2002
Heptachlor MR 1 2002
2,4-D MR 1 2002
2,4,5-TP MR 1 2002
Benzo(a)pyrene MR 1 2002
Pentachlorophenol MR 1 2002
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2002
Consumer Confidence Rule Other 1 2023
Gross Alpha, Excl. Radon and U MR 1 1976
Combined Radium (-226 and -228) MR 1 1976
Toxaphene MR 1 2002
Di(2-ethylhexyl) adipate MR 1 2002
Dalapon MR 1 2002
HEXACHLOROBENZENE MR 1 2002
Glyphosate MR 1 2002
ETHYLENE DIBROMIDE MR 1 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 Westfir, City Of.

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 OR4100939 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 Surface Water Treatment Rule MR 56 SDWIS / OR4100939 / 0200
2023 Consumer Confidence Rule Other 1 SDWIS / OR4100939 / 7000
2022 Interim Enhanced Surface Water Treatment Rule MR 17 SDWIS / OR4100939 / 0300
2009 Coliform (TCR) MR 11 SDWIS / OR4100939 / 3100
2008 Long Term 2 Enhanced Surface Water Treatment Rule MR 1 SDWIS / OR4100939 / 0800
2002 Endrin MR 1 SDWIS / OR4100939 / 2005
2002 BHC-GAMMA MR 1 SDWIS / OR4100939 / 2010
2002 OXAMYL MR 1 SDWIS / OR4100939 / 2036
2002 Simazine MR 1 SDWIS / OR4100939 / 2037
2002 Di(2-ethylhexyl) phthalate MR 1 SDWIS / OR4100939 / 2039
2002 Hexachlorocyclopentadiene MR 1 SDWIS / OR4100939 / 2042
2002 Carbofuran MR 1 SDWIS / OR4100939 / 2046
2002 Atrazine MR 1 SDWIS / OR4100939 / 2050
2002 LASSO MR 1 SDWIS / OR4100939 / 2051
2002 Heptachlor MR 1 SDWIS / OR4100939 / 2065

How Westfir, City Of Compares

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

Metric Westfir, City Of Oregon avg Federal benchmark
Total violations 189 82.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 56 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 268 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Westfir, City Of water safe to drink? ▼
Westfir, City Of (PWS ID: OR4100939) has 189 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 268 people using Surface Water sources.
How many people does Westfir, City Of serve? ▼
Westfir, City Of serves 268 people in Westfir, Oregon. It is a Local-owned system using Surface Water water sources with 131 service connections.
What type of violations does Westfir, City Of have? ▼
Westfir, City Of has 189 total violations: 56 health-based violations (MCL exceedances or treatment failures), 129 monitoring/reporting violations, and 56 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Westfir, City Of water? ▼
No PFAS testing data is available for Westfir, City Of under the EPA's UCMR5 monitoring program.
What water source does Westfir, City Of use? ▼
Westfir, City Of uses Surface Water 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.