PlainWater
States → Pennsylvania

LEWIS RUN BOROUGH

PWS ID: PA6420020 · LEWIS RUN, Pennsylvania 16738

LEWIS RUN BOROUGH serves 892 people in LEWIS RUN, Pennsylvania using Surface Water water sources. It has 397 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LEWIS RUN BOROUGH

LEWIS RUN BOROUGH is a local-owned community water system that delivers drinking water to 892 residents in LEWIS RUN, Pennsylvania (McKean County) through 292 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 397 total violations for this system , of which 4 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 379 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 Chlorine, recorded in 34 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 Pennsylvania, EPA tracks 7,701 public water systems serving 12,630,061 people, with 1,159,868 cumulative violations and 68,517 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 150.6 violations. LEWIS RUN BOROUGH's 397 violations sit above the Pennsylvania average. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%). 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
892
Total Violations
397
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
292
County
McKean
School/Daycare
No
MCL Violations
4
Monitoring Violations
379
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 34 2010
Total Haloacetic Acids (HAA5) MR 22 2025
Coliform (TCR) MR 14 2013
1,2,4-Trichlorobenzene MR 13 2006
p-Dichlorobenzene MR 13 2006
1,1-Dichloroethylene MR 13 2006
Carbon tetrachloride MR 13 2006
Tetrachloroethylene MR 13 2006
CHLOROBENZENE MR 13 2006
Toluene MR 13 2006
Ethylbenzene MR 13 2006
Styrene MR 13 2006
Xylenes, Total MR 13 2006
DICHLOROMETHANE MR 13 2006
o-Dichlorobenzene MR 13 2006
trans-1,2-Dichloroethylene MR 13 2006
1,2-Dichloroethane MR 13 2006
1,1,1-Trichloroethane MR 13 2006
Trichloroethylene MR 13 2006
Benzene MR 13 2006
1,1,2-Trichloroethane MR 13 2006
1,2-Dichloropropane MR 13 2006
cis-1,2-Dichloroethylene MR 13 2006
TTHM MR 12 2022
Consumer Confidence Rule Other 9 2023
Surface Water Treatment Rule MR 8 2010
Coliform (TCR) MCL 4 2007
Public Notice Other 4 2023
Chromium MR 2 1994
Cadmium MR 2 1994

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 LEWIS RUN BOROUGH.

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 PA6420020 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Pennsylvania Drinking Water Authority

Pennsylvania DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects LEWIS RUN BOROUGH under EPA-delegated authority.

Open PA regulator portal

Source: Pennsylvania DEP — Bureau of Safe Drinking Water

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 Total Haloacetic Acids (HAA5) MR 22 SDWIS / PA6420020 / 2456
2023 Consumer Confidence Rule Other 9 SDWIS / PA6420020 / 7000
2023 Public Notice Other 4 SDWIS / PA6420020 / 7500
2022 TTHM MR 12 SDWIS / PA6420020 / 2950
2013 Coliform (TCR) MR 14 SDWIS / PA6420020 / 3100
2010 Chlorine MR 34 SDWIS / PA6420020 / 0999
2010 Surface Water Treatment Rule MR 8 SDWIS / PA6420020 / 0200
2007 Coliform (TCR) MCL 4 SDWIS / PA6420020 / 3100
2006 1,2,4-Trichlorobenzene MR 13 SDWIS / PA6420020 / 2378
2006 p-Dichlorobenzene MR 13 SDWIS / PA6420020 / 2969
2006 1,1-Dichloroethylene MR 13 SDWIS / PA6420020 / 2977
2006 Carbon tetrachloride MR 13 SDWIS / PA6420020 / 2982
2006 Tetrachloroethylene MR 13 SDWIS / PA6420020 / 2987
2006 CHLOROBENZENE MR 13 SDWIS / PA6420020 / 2989
2006 Toluene MR 13 SDWIS / PA6420020 / 2991

How LEWIS RUN BOROUGH Compares

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

Metric LEWIS RUN BOROUGH Pennsylvania avg Federal benchmark
Total violations 397 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 892 1,640 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,701 regulated public water systems in Pennsylvania.

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 LEWIS RUN BOROUGH water safe to drink? ▼
LEWIS RUN BOROUGH (PWS ID: PA6420020) has 397 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 892 people using Surface Water sources.
How many people does LEWIS RUN BOROUGH serve? ▼
LEWIS RUN BOROUGH serves 892 people in LEWIS RUN, Pennsylvania. It is a Local-owned system using Surface Water water sources with 292 service connections.
What type of violations does LEWIS RUN BOROUGH have? ▼
LEWIS RUN BOROUGH has 397 total violations: 4 health-based violations (MCL exceedances or treatment failures), 379 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LEWIS RUN BOROUGH water? ▼
No PFAS testing data is available for LEWIS RUN BOROUGH under the EPA's UCMR5 monitoring program.
What water source does LEWIS RUN BOROUGH use? ▼
LEWIS RUN BOROUGH 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.

Explore PlainWater

Water in Pennsylvania

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Pennsylvania

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial