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Community Water System · PWS PA5040085

New Sewickley Twp Muni Auth

Rochester, Pennsylvania 15074 - drinking water served from surface water sources to 4,276 people, tracked in EPA SDWIS and UCMR5.

4,276
People served
105
EPA violations
29
Health-based
4 PFAS
UCMR5 result

The verdict

EPA records 105 drinking-water violations at New Sewickley Twp Muni Auth, 28% of them health-based - below the Pennsylvania per-system average, and UCMR5 testing detected 4 PFAS compounds.

105
Total EPA violations on record
28%
Health-based (MCL / treatment failure)
4,276
People served by this system
4
PFAS compounds detected (UCMR5)

Water Quality Snapshot: New Sewickley Twp Muni Auth

New Sewickley Twp Muni Auth is a local-owned community water system that delivers drinking water to 4,276 residents in Rochester, Pennsylvania (Beaver County) through 845 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 105 total violations for this system , of which 29 (28%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 59 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 TTHM, recorded in 29 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 4 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 26.9 ppt (parts per trillion). 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. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

New Sewickley Twp Muni Auth's 105 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.

PFAS Detected

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

Population Served
4,276
Total Violations
105
Health-Based Violations
29
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
845
County
Beaver
School/Daycare
No
MCL Violations
24
Monitoring Violations
59
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 29 2016
Total Haloacetic Acids (HAA5) MR 19 2014
TTHM MCL 11 2010
Coliform (TCR) MCL 8 2009
Consumer Confidence Rule Other 7 2017
Revised Total Coliform Rule MCL 5 2016
Public Notice Other 5 2016
Revised Total Coliform Rule MON 5 2022
Revised Total Coliform Rule TT 5 2016
Lead and Copper Rule MR 2 2005
Cadmium MR 2 1988
Coliform (TCR) MR 2 2004

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 11 of 348 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
PFTrDA 9/19/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 9/19/2023 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/19/2023 <6.00 ppt 6.00 ppt Not Detected
PFBS 9/19/2023 16.00 ppt 3.00 ppt Detected
PFHpA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/19/2023 4.60 ppt 3.00 ppt Detected
PFUnA 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
PFMBA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFEESA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/19/2023 4.20 ppt 3.00 ppt Detected
PFMPA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/19/2023 <20.00 ppt 20.00 ppt Not Detected
9Cl-PF3ONS 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFDA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFBA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFMBA 9/19/2023 <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 New Sewickley 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 PA5040085 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 New Sewickley 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 Revised Total Coliform Rule MON 5 SDWIS / PA5040085 / 8000
2017 Consumer Confidence Rule Other 7 SDWIS / PA5040085 / 7000
2016 TTHM MR 29 SDWIS / PA5040085 / 2950
2016 Revised Total Coliform Rule MCL 5 SDWIS / PA5040085 / 8000
2016 Public Notice Other 5 SDWIS / PA5040085 / 7500
2016 Revised Total Coliform Rule TT 5 SDWIS / PA5040085 / 8000
2014 Total Haloacetic Acids (HAA5) MR 19 SDWIS / PA5040085 / 2456
2010 TTHM MCL 11 SDWIS / PA5040085 / 2950
2009 Coliform (TCR) MCL 8 SDWIS / PA5040085 / 3100
2005 Lead and Copper Rule MR 2 SDWIS / PA5040085 / 5000
2004 Coliform (TCR) MR 2 SDWIS / PA5040085 / 3100
1988 Cadmium MR 2 SDWIS / PA5040085 / 1015

How New Sewickley Twp Muni Auth Compares

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

Metric New Sewickley Twp Muni Auth Pennsylvania avg Federal benchmark
Total violations 105 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 29 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 4 compounds 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,276 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 New Sewickley Twp Muni Auth water safe to drink? ▼
New Sewickley Twp Muni Auth (PWS ID: PA5040085) has 105 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 4 PFAS compounds found. This system serves 4,276 people using Surface Water sources.
How many people does New Sewickley Twp Muni Auth serve? ▼
New Sewickley Twp Muni Auth serves 4,276 people in Rochester, Pennsylvania. It is a Local-owned system using Surface Water water sources with 845 service connections.
What type of violations does New Sewickley Twp Muni Auth have? ▼
New Sewickley Twp Muni Auth has 105 total violations: 29 health-based violations (MCL exceedances or treatment failures), 59 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in New Sewickley Twp Muni Auth water? ▼
Yes. UCMR5 testing detected 4 PFAS compounds in New Sewickley Twp Muni Auth's water supply: PFBS, PFHxA, PFPeA, PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does New Sewickley Twp Muni Auth use? ▼
New Sewickley Twp Muni 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.
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.