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Community Water System · PWS OR4100479

Lexington, Town Of

Lexington, Oregon 97839 - drinking water served from groundwater sources to 255 people, tracked in EPA SDWIS and UCMR5.

255
People served
271
EPA violations
46
Health-based
Untested
UCMR5 result

The verdict

EPA records 271 drinking-water violations at Lexington, Town Of, 17% of them health-based - above the Oregon per-system average.

271
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
255
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lexington, Town Of

Lexington, Town Of is a local-owned community water system that delivers drinking water to 255 residents in Lexington, Oregon (Morrow County) through 144 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 271 total violations for this system , of which 46 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 198 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 85 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. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%).

Lexington, Town Of's 271 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
255
Total Violations
271
Health-Based Violations
46
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
144
County
Morrow
School/Daycare
No
MCL Violations
46
Monitoring Violations
198
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 85 2016
Coliform (TCR) MCL 46 2015
Public Notice Other 13 2020
Nitrate MR 9 2005
E. COLI MR 9 2019
Lead and Copper Rule MR 8 2001
Revised Total Coliform Rule MON 4 2025
Carbon tetrachloride MR 2 2017
cis-1,2-Dichloroethylene MR 2 2017
CHLOROBENZENE MR 2 2017
o-Dichlorobenzene MR 2 2017
Styrene MR 2 2017
trans-1,2-Dichloroethylene MR 2 2017
Trichloroethylene MR 2 2017
2,4,5-TP MR 2 2005
BHC-GAMMA MR 2 2005
Endothall MR 2 2005
Total Polychlorinated Biphenyls (PCB) MR 2 2005
Consumer Confidence Rule Other 2 2001
DICHLOROMETHANE MR 2 2017
Vinyl chloride MR 2 2017
1,1,1-Trichloroethane MR 2 2017
1,2-Dichloropropane MR 2 2017
Tetrachloroethylene MR 2 2017
Benzene MR 2 2017
1,1,2-Trichloroethane MR 2 2017
1,2,4-Trichlorobenzene MR 2 2017
Arsenic MR 2 2005
Ethylbenzene MR 2 2017
Toluene 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 Lexington, Town 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 OR4100479 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 4 SDWIS / OR4100479 / 8000
2020 Public Notice Other 13 SDWIS / OR4100479 / 7500
2019 E. COLI MR 9 SDWIS / OR4100479 / 3014
2017 Carbon tetrachloride MR 2 SDWIS / OR4100479 / 2982
2017 cis-1,2-Dichloroethylene MR 2 SDWIS / OR4100479 / 2380
2017 CHLOROBENZENE MR 2 SDWIS / OR4100479 / 2989
2017 o-Dichlorobenzene MR 2 SDWIS / OR4100479 / 2968
2017 Styrene MR 2 SDWIS / OR4100479 / 2996
2017 trans-1,2-Dichloroethylene MR 2 SDWIS / OR4100479 / 2979
2017 Trichloroethylene MR 2 SDWIS / OR4100479 / 2984
2017 DICHLOROMETHANE MR 2 SDWIS / OR4100479 / 2964
2017 Vinyl chloride MR 2 SDWIS / OR4100479 / 2976
2017 1,1,1-Trichloroethane MR 2 SDWIS / OR4100479 / 2981
2017 1,2-Dichloropropane MR 2 SDWIS / OR4100479 / 2983
2017 Tetrachloroethylene MR 2 SDWIS / OR4100479 / 2987

How Lexington, Town Of Compares

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

Metric Lexington, Town Of Oregon avg Federal benchmark
Total violations 271 82.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 46 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 255 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 Lexington, Town Of water safe to drink? ▼
Lexington, Town Of (PWS ID: OR4100479) has 271 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 255 people using Groundwater sources.
How many people does Lexington, Town Of serve? ▼
Lexington, Town Of serves 255 people in Lexington, Oregon. It is a Local-owned system using Groundwater water sources with 144 service connections.
What type of violations does Lexington, Town Of have? ▼
Lexington, Town Of has 271 total violations: 46 health-based violations (MCL exceedances or treatment failures), 198 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lexington, Town Of water? ▼
No PFAS testing data is available for Lexington, Town Of under the EPA's UCMR5 monitoring program.
What water source does Lexington, Town Of use? ▼
Lexington, Town Of 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.
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.