PlainWater
States → Pennsylvania

Community Water System · PWS PA5020025

West Cnty Muni Auth-McKeesport

Greensburg, Pennsylvania 15601 - drinking water served from surface water sources to 32,644 people, tracked in EPA SDWIS and UCMR5.

32,644
People served
110
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 110 drinking-water violations at West Cnty Muni Auth-McKeesport - below the Pennsylvania per-system average.

110
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
32,644
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: West Cnty Muni Auth-McKeesport

West Cnty Muni Auth-McKeesport is a local-owned community water system that delivers drinking water to 32,644 residents in Greensburg, Pennsylvania (Allegheny County) through 12,184 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 110 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 104 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Atrazine, recorded in 6 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

West Cnty Muni Auth-McKeesport's 110 violations sit below the Pennsylvania 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
32,644
Total Violations
110
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
12,184
County
Allegheny
School/Daycare
No
MCL Violations
0
Monitoring Violations
104
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Atrazine MR 6 2018
1,2-Dichloroethane MR 5 1997
Carbon tetrachloride MR 5 1997
Trichloroethylene MR 5 1997
Benzene MR 5 1997
p-Dichlorobenzene MR 5 1997
1,1-Dichloroethylene MR 5 1997
1,1,1-Trichloroethane MR 5 1997
TTHM MR 4 2016
Endrin MR 4 1988
Total Haloacetic Acids (HAA5) MR 4 2016
Nitrate MR 4 1993
BHC-GAMMA MR 3 1988
2,4-D MR 3 1988
2,4,5-TP MR 3 1988
Surface Water Treatment Rule MR 3 2021
Toxaphene MR 3 1988
Methoxychlor MR 3 1988
Interim Enhanced Surface Water Treatment Rule MR 2 2020
cis-1,2-Dichloroethylene MR 2 1997
DICHLOROMETHANE MR 2 1997
1,1,2-Trichloroethane MR 2 1997
CHLOROBENZENE MR 2 1997
Toluene MR 2 1997
Styrene MR 2 1997
Ethylbenzene MR 2 1997
trans-1,2-Dichloroethylene MR 2 1997
o-Dichlorobenzene MR 2 1997
Tetrachloroethylene MR 2 1997
1,2-Dichloropropane MR 2 1997

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFEESA 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/25/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/25/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/25/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/25/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/25/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/25/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/25/2023 <2.00 ppt 2.00 ppt Not Detected
PFDA 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/25/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/25/2023 <20.00 ppt 20.00 ppt Not Detected
NMeFOSAA 8/25/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 8/25/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/25/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/25/2023 <8.00 ppt 8.00 ppt Not Detected
9Cl-PF3ONS 8/25/2023 <2.00 ppt 2.00 ppt Not Detected
PFDoA 8/25/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 6/15/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 6/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 6/15/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 6/15/2023 <7.00 ppt 7.00 ppt Not Detected
PFDoA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 5/9/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/9/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 5/9/2023 <5.00 ppt 5.00 ppt Not Detected

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 West Cnty Muni Auth-McKeesport.

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 PA5020025 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 West Cnty Muni Auth-McKeesport 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
2022 Consumer Confidence Rule Other 1 SDWIS / PA5020025 / 7000
2021 Surface Water Treatment Rule MR 3 SDWIS / PA5020025 / 0200
2020 Interim Enhanced Surface Water Treatment Rule MR 2 SDWIS / PA5020025 / 0300
2018 Atrazine MR 6 SDWIS / PA5020025 / 2050
2016 TTHM MR 4 SDWIS / PA5020025 / 2950
2016 Total Haloacetic Acids (HAA5) MR 4 SDWIS / PA5020025 / 2456
2006 CARBON, TOTAL MR 1 SDWIS / PA5020025 / 2920
1997 1,2-Dichloroethane MR 5 SDWIS / PA5020025 / 2980
1997 Carbon tetrachloride MR 5 SDWIS / PA5020025 / 2982
1997 Trichloroethylene MR 5 SDWIS / PA5020025 / 2984
1997 Benzene MR 5 SDWIS / PA5020025 / 2990
1997 p-Dichlorobenzene MR 5 SDWIS / PA5020025 / 2969
1997 1,1-Dichloroethylene MR 5 SDWIS / PA5020025 / 2977
1997 1,1,1-Trichloroethane MR 5 SDWIS / PA5020025 / 2981
1997 cis-1,2-Dichloroethylene MR 2 SDWIS / PA5020025 / 2380

How West Cnty Muni Auth-McKeesport Compares

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

Metric West Cnty Muni Auth-McKeesport Pennsylvania avg Federal benchmark
Total violations 110 150.6 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 32,644 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 (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 West Cnty Muni Auth-McKeesport water safe to drink? ▼
West Cnty Muni Auth-McKeesport (PWS ID: PA5020025) has 110 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 32,644 people using Surface Water sources.
How many people does West Cnty Muni Auth-McKeesport serve? ▼
West Cnty Muni Auth-McKeesport serves 32,644 people in Greensburg, Pennsylvania. It is a Local-owned system using Surface Water water sources with 12,184 service connections.
What type of violations does West Cnty Muni Auth-McKeesport have? ▼
West Cnty Muni Auth-McKeesport has 110 total violations: 0 health-based violations (MCL exceedances or treatment failures), 104 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in West Cnty Muni Auth-McKeesport water? ▼
No. West Cnty Muni Auth-McKeesport was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does West Cnty Muni Auth-McKeesport use? ▼
West Cnty Muni Auth-McKeesport 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.