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SOMERSET BORO MUNI WATER AUTH

PWS ID: PA4560042 · SOMERSET, Pennsylvania 15501

SOMERSET BORO MUNI WATER AUTH serves 6,309 people in SOMERSET, Pennsylvania using Surface Water water sources. It has 500 recorded EPA violations, including 2 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: SOMERSET BORO MUNI WATER AUTH

SOMERSET BORO MUNI WATER AUTH is a local-owned community water system that delivers drinking water to 6,309 residents in SOMERSET, Pennsylvania (Somerset County) through 3,081 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 500 total violations for this system , of which 2 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 488 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 19 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 13.7 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. SOMERSET BORO MUNI WATER AUTH's 500 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
6,309
Total Violations
500
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,081
County
Somerset
School/Daycare
No
MCL Violations
0
Monitoring Violations
488
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 19 2023
TTHM MR 18 2019
cis-1,2-Dichloroethylene MR 12 2018
o-Dichlorobenzene MR 12 2018
p-Dichlorobenzene MR 12 2018
1,1-Dichloroethylene MR 12 2018
1,2-Dichloroethane MR 12 2018
1,1,1-Trichloroethane MR 12 2018
Carbon tetrachloride MR 12 2018
Tetrachloroethylene MR 12 2018
Benzene MR 12 2018
Ethylbenzene MR 12 2018
trans-1,2-Dichloroethylene MR 12 2018
Trichloroethylene MR 12 2018
Toluene MR 12 2018
Styrene MR 12 2018
Fluoride MR 12 2018
DICHLOROMETHANE MR 12 2018
1,2-Dichloropropane MR 12 2018
1,1,2-Trichloroethane MR 12 2018
CHLOROBENZENE MR 12 2018
1,2,4-Trichlorobenzene MR 11 2018
Xylenes, Total MR 11 2018
CARBON, TOTAL MR 9 2008
Nitrate MR 9 2022
Arsenic MR 9 2018
Selenium MR 9 2018
Cadmium MR 9 2018
Barium MR 9 2018
Chromium MR 9 2018

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 7/16/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 7/16/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/16/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFOS 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/16/2024 13.7000 µg/L 9 µg/L Detected
ADONA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/16/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/16/2024 <9 µg/L 9 µg/L Not Detected
PFTrDA 7/16/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/16/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 7/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 7/16/2024 <0.008 µg/L 0.008 µg/L Not Detected
HFPO-DA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/16/2024 <0.005 µg/L 0.005 µg/L 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 SOMERSET BORO MUNI WATER 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 PA4560042 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 SOMERSET BORO MUNI WATER 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
2023 Total Haloacetic Acids (HAA5) MR 19 SDWIS / PA4560042 / 2456
2022 Nitrate MR 9 SDWIS / PA4560042 / 1040
2022 Nitrite MR 3 SDWIS / PA4560042 / 1041
2021 Revised Total Coliform Rule MON 2 SDWIS / PA4560042 / 8000
2019 TTHM MR 18 SDWIS / PA4560042 / 2950
2019 Surface Water Treatment Rule MR 8 SDWIS / PA4560042 / 0200
2019 Lead and Copper Rule MR 6 SDWIS / PA4560042 / 5000
2019 Chlorine MR 3 SDWIS / PA4560042 / 0999
2018 cis-1,2-Dichloroethylene MR 12 SDWIS / PA4560042 / 2380
2018 o-Dichlorobenzene MR 12 SDWIS / PA4560042 / 2968
2018 p-Dichlorobenzene MR 12 SDWIS / PA4560042 / 2969
2018 1,1-Dichloroethylene MR 12 SDWIS / PA4560042 / 2977
2018 1,2-Dichloroethane MR 12 SDWIS / PA4560042 / 2980
2018 1,1,1-Trichloroethane MR 12 SDWIS / PA4560042 / 2981
2018 Carbon tetrachloride MR 12 SDWIS / PA4560042 / 2982

How SOMERSET BORO MUNI WATER AUTH Compares

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

Metric SOMERSET BORO MUNI WATER AUTH Pennsylvania avg Federal benchmark
Total violations 500 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 6,309 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 SOMERSET BORO MUNI WATER AUTH water safe to drink? ▼
SOMERSET BORO MUNI WATER AUTH (PWS ID: PA4560042) has 500 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 6,309 people using Surface Water sources.
How many people does SOMERSET BORO MUNI WATER AUTH serve? ▼
SOMERSET BORO MUNI WATER AUTH serves 6,309 people in SOMERSET, Pennsylvania. It is a Local-owned system using Surface Water water sources with 3,081 service connections.
What type of violations does SOMERSET BORO MUNI WATER AUTH have? ▼
SOMERSET BORO MUNI WATER AUTH has 500 total violations: 2 health-based violations (MCL exceedances or treatment failures), 488 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SOMERSET BORO MUNI WATER AUTH water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in SOMERSET BORO MUNI WATER AUTH's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does SOMERSET BORO MUNI WATER AUTH use? ▼
SOMERSET BORO MUNI WATER AUTH 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial