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Community Water System · PWS PA4560048

Conemaugh Twp Muni Auth

Davidsville, Pennsylvania 15928 - drinking water served from surface water sources to 7,800 people, tracked in EPA SDWIS and UCMR5.

7,800
People served
567
EPA violations
4
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 567 drinking-water violations at Conemaugh Twp Muni Auth, 1% of them health-based - above the Pennsylvania per-system average, and UCMR5 testing detected 1 PFAS compound.

567
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
7,800
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Conemaugh Twp Muni Auth

Conemaugh Twp Muni Auth is a local-owned community water system that delivers drinking water to 7,800 residents in Davidsville, Pennsylvania (Somerset County) through 2,630 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 567 total violations for this system , of which 4 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 527 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 91 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 13.2 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%).

Conemaugh Twp Muni Auth's 567 violations sit above 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

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

Population Served
7,800
Total Violations
567
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,630
County
Somerset
School/Daycare
No
MCL Violations
0
Monitoring Violations
527
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 91 2025
Revised Total Coliform Rule MON 29 2025
Chlorine MR 26 2025
Total Haloacetic Acids (HAA5) MR 18 2025
TTHM MR 18 2025
Groundwater Rule MR 17 2022
Nitrate MR 16 2024
Consumer Confidence Rule Other 13 2023
Public Notice Other 13 2024
Lead and Copper Rule MR 12 2025
Coliform (TCR) MR 9 2013
cis-1,2-Dichloroethylene MR 9 2024
p-Dichlorobenzene MR 9 2024
trans-1,2-Dichloroethylene MR 9 2024
Carbon tetrachloride MR 9 2024
1,2-Dichloropropane MR 9 2024
Trichloroethylene MR 9 2024
Benzene MR 9 2024
1,2-Dichloroethane MR 9 2024
o-Dichlorobenzene MR 9 2024
DICHLOROMETHANE MR 9 2024
1,1-Dichloroethylene MR 9 2024
1,1,1-Trichloroethane MR 9 2024
Nitrite MR 8 2024
2,3,7,8-TCDD MR 8 2023
Combined Uranium MR 6 2020
Tetrachloroethylene MR 6 2024
CHLOROBENZENE MR 6 2024
Ethylbenzene MR 6 2024
Styrene MR 6 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 464 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/18/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 7/18/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 7/18/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/18/2023 <20.00 ppt 20.00 ppt Not Detected
PFMBA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFDoA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/18/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 7/18/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFOA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 7/18/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/18/2023 <7.00 ppt 7.00 ppt Not Detected
6:2 FTS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFDoA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/18/2023 <8.00 ppt 8.00 ppt Not Detected
PFPeS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/18/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/18/2023 <4.00 ppt 4.00 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 Conemaugh 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 PA4560048 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 Conemaugh 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
2025 Surface Water Treatment Rule MR 91 SDWIS / PA4560048 / 0200
2025 Revised Total Coliform Rule MON 29 SDWIS / PA4560048 / 8000
2025 Chlorine MR 26 SDWIS / PA4560048 / 0999
2025 Total Haloacetic Acids (HAA5) MR 18 SDWIS / PA4560048 / 2456
2025 TTHM MR 18 SDWIS / PA4560048 / 2950
2025 Lead and Copper Rule MR 12 SDWIS / PA4560048 / 5000
2024 Nitrate MR 16 SDWIS / PA4560048 / 1040
2024 Public Notice Other 13 SDWIS / PA4560048 / 7500
2024 cis-1,2-Dichloroethylene MR 9 SDWIS / PA4560048 / 2380
2024 p-Dichlorobenzene MR 9 SDWIS / PA4560048 / 2969
2024 trans-1,2-Dichloroethylene MR 9 SDWIS / PA4560048 / 2979
2024 Carbon tetrachloride MR 9 SDWIS / PA4560048 / 2982
2024 1,2-Dichloropropane MR 9 SDWIS / PA4560048 / 2983
2024 Trichloroethylene MR 9 SDWIS / PA4560048 / 2984
2024 Benzene MR 9 SDWIS / PA4560048 / 2990

How Conemaugh Twp Muni Auth Compares

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

Metric Conemaugh Twp Muni Auth Pennsylvania avg Federal benchmark
Total violations 567 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 7,800 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 (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 Conemaugh Twp Muni Auth water safe to drink?
Conemaugh Twp Muni Auth (PWS ID: PA4560048) has 567 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 7,800 people using Surface Water sources.
How many people does Conemaugh Twp Muni Auth serve?
Conemaugh Twp Muni Auth serves 7,800 people in Davidsville, Pennsylvania. It is a Local-owned system using Surface Water water sources with 2,630 service connections.
What type of violations does Conemaugh Twp Muni Auth have?
Conemaugh Twp Muni Auth has 567 total violations: 4 health-based violations (MCL exceedances or treatment failures), 527 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Conemaugh Twp Muni Auth water?
Yes. UCMR5 testing detected 1 PFAS compound in Conemaugh Twp Muni Auth's water supply: PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Conemaugh Twp Muni Auth use?
Conemaugh 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.
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.