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CORNER WATER SUPPLY & SERVICE

PWS ID: PA6160027 · PHILIPSBURG, Pennsylvania 16866

CORNER WATER SUPPLY & SERVICE serves 2,100 people in PHILIPSBURG, Pennsylvania using Groundwater water sources. It has 62 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CORNER WATER SUPPLY & SERVICE

CORNER WATER SUPPLY & SERVICE is a private-owned community water system that delivers drinking water to 2,100 residents in PHILIPSBURG, Pennsylvania (Clarion County) through 442 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 62 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 48 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 Chlorine, recorded in 10 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. CORNER WATER SUPPLY & SERVICE's 62 violations sit below 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
2,100
Total Violations
62
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
442
County
Clarion
School/Daycare
No
MCL Violations
0
Monitoring Violations
48
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 10 2017
Consumer Confidence Rule Other 5 2021
Nitrate MR 5 2003
Groundwater Rule MR 4 2016
Revised Total Coliform Rule RPT 3 2022
Methoxychlor MR 2 1988
Toxaphene MR 2 1988
Endrin MR 2 1988
Arsenic MR 2 1985
Barium MR 2 1985
Cadmium MR 2 1985
Selenium MR 2 1985
BHC-GAMMA MR 2 1988
Fluoride MR 2 1985
2,4,5-TP MR 2 1988
2,4-D MR 2 1988
Public Notice Other 2 2009
Chromium MR 2 1985
Mercury MR 2 1985
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2008
Combined Uranium MR 1 2024

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 CORNER WATER SUPPLY & SERVICE.

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 PA6160027 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 CORNER WATER SUPPLY & SERVICE 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
2024 Combined Uranium MR 1 SDWIS / PA6160027 / 4006
2022 Revised Total Coliform Rule RPT 3 SDWIS / PA6160027 / 8000
2021 Consumer Confidence Rule Other 5 SDWIS / PA6160027 / 7000
2017 Chlorine MR 10 SDWIS / PA6160027 / 0999
2016 Groundwater Rule MR 4 SDWIS / PA6160027 / 0700
2009 Public Notice Other 2 SDWIS / PA6160027 / 7500
2008 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / PA6160027 / 0600
2003 Nitrate MR 5 SDWIS / PA6160027 / 1040
1988 Methoxychlor MR 2 SDWIS / PA6160027 / 2015
1988 Toxaphene MR 2 SDWIS / PA6160027 / 2020
1988 Endrin MR 2 SDWIS / PA6160027 / 2005
1988 BHC-GAMMA MR 2 SDWIS / PA6160027 / 2010
1988 2,4,5-TP MR 2 SDWIS / PA6160027 / 2110
1988 2,4-D MR 2 SDWIS / PA6160027 / 2105
1985 Arsenic MR 2 SDWIS / PA6160027 / 1005

How CORNER WATER SUPPLY & SERVICE Compares

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

Metric CORNER WATER SUPPLY & SERVICE Pennsylvania avg Federal benchmark
Total violations 62 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 2,100 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 CORNER WATER SUPPLY & SERVICE water safe to drink? ▼
CORNER WATER SUPPLY & SERVICE (PWS ID: PA6160027) has 62 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,100 people using Groundwater sources.
How many people does CORNER WATER SUPPLY & SERVICE serve? ▼
CORNER WATER SUPPLY & SERVICE serves 2,100 people in PHILIPSBURG, Pennsylvania. It is a Private-owned system using Groundwater water sources with 442 service connections.
What type of violations does CORNER WATER SUPPLY & SERVICE have? ▼
CORNER WATER SUPPLY & SERVICE has 62 total violations: 0 health-based violations (MCL exceedances or treatment failures), 48 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CORNER WATER SUPPLY & SERVICE water? ▼
No PFAS testing data is available for CORNER WATER SUPPLY & SERVICE under the EPA's UCMR5 monitoring program.
What water source does CORNER WATER SUPPLY & SERVICE use? ▼
CORNER WATER SUPPLY & SERVICE 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.

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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.

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