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SOMERSET TWP MUNI AUTH OAKRIDG

PWS ID: PA4560046 · SOMERSET, Pennsylvania 15501

SOMERSET TWP MUNI AUTH OAKRIDG serves 3,800 people in SOMERSET, Pennsylvania using Surface Water water sources. It has 118 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SOMERSET TWP MUNI AUTH OAKRIDG

SOMERSET TWP MUNI AUTH OAKRIDG is a local-owned community water system that delivers drinking water to 3,800 residents in SOMERSET, Pennsylvania (Somerset County) through 920 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 118 total violations for this system , of which 2 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 111 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 Surface Water Treatment Rule, recorded in 35 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. SOMERSET TWP MUNI AUTH OAKRIDG's 118 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
3,800
Total Violations
118
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
920
County
Somerset
School/Daycare
No
MCL Violations
0
Monitoring Violations
111
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 35 2023
Total Haloacetic Acids (HAA5) MR 26 2014
TTHM MR 24 2014
Chlorine MR 20 2023
Coliform (TCR) MR 4 2014
Consumer Confidence Rule Other 3 2001
Public Notice Other 2 2019
Lead and Copper Rule MR 2 2005
Surface Water Treatment Rule TT 2 2019

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/22/2023 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/22/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 8/22/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/22/2023 <0.007 µg/L 0.007 µg/L Not Detected
NFDHA 8/22/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 5/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/16/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 5/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/16/2023 <9 µg/L 9 µg/L Not Detected
PFMBA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/16/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 5/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 5/16/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/16/2023 <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 TWP MUNI AUTH OAKRIDG.

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 PA4560046 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 TWP MUNI AUTH OAKRIDG 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 Surface Water Treatment Rule MR 35 SDWIS / PA4560046 / 0200
2023 Chlorine MR 20 SDWIS / PA4560046 / 0999
2019 Public Notice Other 2 SDWIS / PA4560046 / 7500
2019 Surface Water Treatment Rule TT 2 SDWIS / PA4560046 / 0200
2014 Total Haloacetic Acids (HAA5) MR 26 SDWIS / PA4560046 / 2456
2014 TTHM MR 24 SDWIS / PA4560046 / 2950
2014 Coliform (TCR) MR 4 SDWIS / PA4560046 / 3100
2005 Lead and Copper Rule MR 2 SDWIS / PA4560046 / 5000
2001 Consumer Confidence Rule Other 3 SDWIS / PA4560046 / 7000

How SOMERSET TWP MUNI AUTH OAKRIDG Compares

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

Metric SOMERSET TWP MUNI AUTH OAKRIDG Pennsylvania avg Federal benchmark
Total violations 118 150.6 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 None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,800 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 TWP MUNI AUTH OAKRIDG water safe to drink? ▼
SOMERSET TWP MUNI AUTH OAKRIDG (PWS ID: PA4560046) has 118 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,800 people using Surface Water sources.
How many people does SOMERSET TWP MUNI AUTH OAKRIDG serve? ▼
SOMERSET TWP MUNI AUTH OAKRIDG serves 3,800 people in SOMERSET, Pennsylvania. It is a Local-owned system using Surface Water water sources with 920 service connections.
What type of violations does SOMERSET TWP MUNI AUTH OAKRIDG have? ▼
SOMERSET TWP MUNI AUTH OAKRIDG has 118 total violations: 2 health-based violations (MCL exceedances or treatment failures), 111 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SOMERSET TWP MUNI AUTH OAKRIDG water? ▼
No. SOMERSET TWP MUNI AUTH OAKRIDG was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does SOMERSET TWP MUNI AUTH OAKRIDG use? ▼
SOMERSET TWP MUNI AUTH OAKRIDG 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