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Community Water System · PWS PA5020039

PA Amer Water Co-Pittsburgh

McMurray, Pennsylvania 15301 - drinking water served from surface water sources to 686,000 people, tracked in EPA SDWIS and UCMR5.

686,000
People served
28
EPA violations
10
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 28 drinking-water violations at PA Amer Water Co-Pittsburgh, 36% of them health-based - below the Pennsylvania per-system average.

28
Total EPA violations on record
36%
Health-based (MCL / treatment failure)
686,000
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: PA Amer Water Co-Pittsburgh

PA Amer Water Co-Pittsburgh is a private-owned community water system that delivers drinking water to 686,000 residents in McMurray, Pennsylvania (Allegheny County) through 215,173 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 28 total violations for this system , of which 10 (36%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 6 violations (TT, health-based). 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%).

PA Amer Water Co-Pittsburgh's 28 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
686,000
Total Violations
28
Health-Based Violations
10
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
215,173
County
Allegheny
School/Daycare
No
MCL Violations
0
Monitoring Violations
12
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 6 1994
Interim Enhanced Surface Water Treatment Rule TT 4 2017
Interim Enhanced Surface Water Treatment Rule MR 4 2017
Public Notice Other 4 2017
Gross Beta Particle Activity MR 3 2005
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2009
Surface Water Treatment Rule MR 2 1991
Lead and Copper Rule MR 1 1992
Consumer Confidence Rule Other 1 2000

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 348 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
PFEESA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/8/2024 <6.00 ppt 6.00 ppt Not Detected
PFDoA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/8/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 7/8/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/8/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxS 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
PFBS 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/8/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeS 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/8/2024 <20.00 ppt 20.00 ppt Not Detected
PFOS 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
PFMPA 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/8/2024 <20.00 ppt 20.00 ppt Not Detected
PFOA 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
PFBA 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 7/8/2024 <7.00 ppt 7.00 ppt Not Detected
PFEESA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/8/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/8/2024 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxS 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/8/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/8/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 7/8/2024 <8.00 ppt 8.00 ppt Not Detected
PFMBA 7/8/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/8/2024 <3.00 ppt 3.00 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 PA Amer Water Co-Pittsburgh.

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 PA5020039 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 PA Amer Water Co-Pittsburgh 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
2017 Interim Enhanced Surface Water Treatment Rule TT 4 SDWIS / PA5020039 / 0300
2017 Interim Enhanced Surface Water Treatment Rule MR 4 SDWIS / PA5020039 / 0300
2017 Public Notice Other 4 SDWIS / PA5020039 / 7500
2009 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / PA5020039 / 0600
2005 Gross Beta Particle Activity MR 3 SDWIS / PA5020039 / 4100
2000 Consumer Confidence Rule Other 1 SDWIS / PA5020039 / 7000
1994 Surface Water Treatment Rule TT 6 SDWIS / PA5020039 / 0200
1992 Lead and Copper Rule MR 1 SDWIS / PA5020039 / 5000
1991 Surface Water Treatment Rule MR 2 SDWIS / PA5020039 / 0200

How PA Amer Water Co-Pittsburgh Compares

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

Metric PA Amer Water Co-Pittsburgh Pennsylvania avg Federal benchmark
Total violations 28 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 686,000 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 PA Amer Water Co-Pittsburgh water safe to drink?
PA Amer Water Co-Pittsburgh (PWS ID: PA5020039) has 28 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 686,000 people using Surface Water sources.
How many people does PA Amer Water Co-Pittsburgh serve?
PA Amer Water Co-Pittsburgh serves 686,000 people in McMurray, Pennsylvania. It is a Private-owned system using Surface Water water sources with 215,173 service connections.
What type of violations does PA Amer Water Co-Pittsburgh have?
PA Amer Water Co-Pittsburgh has 28 total violations: 10 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PA Amer Water Co-Pittsburgh water?
No. PA Amer Water Co-Pittsburgh was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does PA Amer Water Co-Pittsburgh use?
PA Amer Water Co-Pittsburgh 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.
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.