PlainWater

LEHIGH

PWS ID: OK2001501 · LEHIGH, Oklahoma 74556

LEHIGH serves 396 people in LEHIGH, Oklahoma using Groundwater water sources. It has 51 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LEHIGH

LEHIGH is a local-owned community water system that delivers drinking water to 396 residents in LEHIGH, Oklahoma (Coal County) through 182 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 51 total violations for this system , of which 10 (20%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 27 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 Consumer Confidence Rule, recorded in 10 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Oklahoma, EPA tracks 1,262 public water systems serving 3,699,452 people, with 336,706 cumulative violations and 113,804 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 266.8 violations. LEHIGH's 51 violations sit below the Oklahoma average. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%). 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
396
Total Violations
51
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
182
County
Coal
School/Daycare
No
MCL Violations
9
Monitoring Violations
27
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 10 2025
Coliform (TCR) MCL 9 2015
Coliform (TCR) MR 8 2010
Revised Total Coliform Rule MON 6 2025
E. COLI MR 5 2014
Lead and Copper Rule MR 4 2009
Chlorine MR 2 2025
Total Haloacetic Acids (HAA5) MR 1 2013
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 1 2024
TTHM MR 1 2013

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 LEHIGH.

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 OK2001501 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oklahoma Drinking Water Authority

Oklahoma'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 OK 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 Consumer Confidence Rule Other 10 SDWIS / OK2001501 / 7000
2025 Revised Total Coliform Rule MON 6 SDWIS / OK2001501 / 8000
2025 Chlorine MR 2 SDWIS / OK2001501 / 0999
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / OK2001501 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OK2001501 / 5200
2015 Coliform (TCR) MCL 9 SDWIS / OK2001501 / 3100
2014 E. COLI MR 5 SDWIS / OK2001501 / 3014
2013 Total Haloacetic Acids (HAA5) MR 1 SDWIS / OK2001501 / 2456
2013 TTHM MR 1 SDWIS / OK2001501 / 2950
2010 Coliform (TCR) MR 8 SDWIS / OK2001501 / 3100
2009 Lead and Copper Rule MR 4 SDWIS / OK2001501 / 5000

How LEHIGH Compares

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

Metric LEHIGH Oklahoma avg Federal benchmark
Total violations 51 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 90.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 396 2,931 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,262 regulated public water systems in Oklahoma.

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 LEHIGH water safe to drink?
LEHIGH (PWS ID: OK2001501) has 51 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 396 people using Groundwater sources.
How many people does LEHIGH serve?
LEHIGH serves 396 people in LEHIGH, Oklahoma. It is a Local-owned system using Groundwater water sources with 182 service connections.
What type of violations does LEHIGH have?
LEHIGH has 51 total violations: 10 health-based violations (MCL exceedances or treatment failures), 27 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LEHIGH water?
No PFAS testing data is available for LEHIGH under the EPA's UCMR5 monitoring program.
What water source does LEHIGH use?
LEHIGH 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial