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HARMAR TWP MUNI AUTH

PWS ID: PA5020009 · CHESWICK, Pennsylvania 15024

HARMAR TWP MUNI AUTH serves 3,200 people in CHESWICK, Pennsylvania using Groundwater water sources. It has 368 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HARMAR TWP MUNI AUTH

HARMAR TWP MUNI AUTH is a local-owned community water system that delivers drinking water to 3,200 residents in CHESWICK, Pennsylvania (Allegheny County) through 1,087 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 368 total violations for this system , of which 12 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 344 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 Nitrate, recorded in 18 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. HARMAR TWP MUNI AUTH's 368 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
3,200
Total Violations
368
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,087
County
Allegheny
School/Daycare
No
MCL Violations
10
Monitoring Violations
344
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 18 2006
Bromate MR 11 2022
Coliform (TCR) MCL 10 2007
cis-1,2-Dichloroethylene MR 10 2011
1,2-Dichloroethane MR 10 2011
1,1,1-Trichloroethane MR 10 2011
Carbon tetrachloride MR 10 2011
1,2-Dichloropropane MR 10 2011
Trichloroethylene MR 10 2011
1,1,2-Trichloroethane MR 10 2011
Tetrachloroethylene MR 10 2011
Benzene MR 10 2011
Toluene MR 10 2011
DICHLOROMETHANE MR 10 2011
trans-1,2-Dichloroethylene MR 10 2011
CHLOROBENZENE MR 10 2011
Styrene MR 10 2011
1,1-Dichloroethylene MR 10 2011
Ethylbenzene MR 10 2011
o-Dichlorobenzene MR 10 2011
p-Dichlorobenzene MR 10 2011
1,2,4-Trichlorobenzene MR 8 2011
Xylenes, Total MR 8 2011
Fluoride MR 6 2000
Antimony, Total MR 6 2000
Beryllium, Total MR 6 2000
Consumer Confidence Rule Other 6 2004
Nickel MR 6 2000
Cadmium MR 6 2000
Thallium, Total MR 6 2000

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 HARMAR TWP MUNI AUTH.

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 PA5020009 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 HARMAR TWP MUNI AUTH 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 Bromate MR 11 SDWIS / PA5020009 / 1011
2020 Groundwater Rule MR 4 SDWIS / PA5020009 / 0700
2012 Chlorine MR 3 SDWIS / PA5020009 / 0999
2012 Coliform (TCR) MR 3 SDWIS / PA5020009 / 3100
2012 Groundwater Rule TT 2 SDWIS / PA5020009 / 0700
2011 cis-1,2-Dichloroethylene MR 10 SDWIS / PA5020009 / 2380
2011 1,2-Dichloroethane MR 10 SDWIS / PA5020009 / 2980
2011 1,1,1-Trichloroethane MR 10 SDWIS / PA5020009 / 2981
2011 Carbon tetrachloride MR 10 SDWIS / PA5020009 / 2982
2011 1,2-Dichloropropane MR 10 SDWIS / PA5020009 / 2983
2011 Trichloroethylene MR 10 SDWIS / PA5020009 / 2984
2011 1,1,2-Trichloroethane MR 10 SDWIS / PA5020009 / 2985
2011 Tetrachloroethylene MR 10 SDWIS / PA5020009 / 2987
2011 Benzene MR 10 SDWIS / PA5020009 / 2990
2011 Toluene MR 10 SDWIS / PA5020009 / 2991

How HARMAR TWP MUNI AUTH Compares

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

Metric HARMAR TWP MUNI AUTH Pennsylvania avg Federal benchmark
Total violations 368 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 12 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 3,200 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 HARMAR TWP MUNI AUTH water safe to drink? ▼
HARMAR TWP MUNI AUTH (PWS ID: PA5020009) has 368 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,200 people using Groundwater sources.
How many people does HARMAR TWP MUNI AUTH serve? ▼
HARMAR TWP MUNI AUTH serves 3,200 people in CHESWICK, Pennsylvania. It is a Local-owned system using Groundwater water sources with 1,087 service connections.
What type of violations does HARMAR TWP MUNI AUTH have? ▼
HARMAR TWP MUNI AUTH has 368 total violations: 12 health-based violations (MCL exceedances or treatment failures), 344 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HARMAR TWP MUNI AUTH water? ▼
No PFAS testing data is available for HARMAR TWP MUNI AUTH under the EPA's UCMR5 monitoring program.
What water source does HARMAR TWP MUNI AUTH use? ▼
HARMAR TWP MUNI AUTH 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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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial