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Community Water System · PWS PA4110004

Carrolltown Boro Muni Auth

Carrolltown, Pennsylvania 15722 - drinking water served from groundwater sources to 850 people, tracked in EPA SDWIS and UCMR5.

850
People served
427
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 427 drinking-water violations at Carrolltown Boro Muni Auth, 2% of them health-based - above the Pennsylvania per-system average.

427
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
850
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Carrolltown Boro Muni Auth

Carrolltown Boro Muni Auth is a local-owned community water system that delivers drinking water to 850 residents in Carrolltown, Pennsylvania (Cambria County) through 555 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 427 total violations for this system , of which 8 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 376 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 Groundwater Rule, recorded in 21 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. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Carrolltown Boro Muni Auth's 427 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.

Population Served
850
Total Violations
427
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
555
County
Cambria
School/Daycare
No
MCL Violations
8
Monitoring Violations
376
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule MR 21 2025
Lead and Copper Rule MR 8 2020
Coliform (TCR) MCL 8 1993
cis-1,2-Dichloroethylene MR 6 2008
DICHLOROMETHANE MR 6 2008
Trichloroethylene MR 6 2008
Tetrachloroethylene MR 6 2008
CHLOROBENZENE MR 6 2008
Benzene MR 6 2008
Xylenes, Total MR 6 2008
o-Dichlorobenzene MR 6 2008
trans-1,2-Dichloroethylene MR 6 2008
1,1,1-Trichloroethane MR 6 2008
Carbon tetrachloride MR 6 2008
1,1,2-Trichloroethane MR 6 2008
Toluene MR 6 2008
Styrene MR 6 2008
1,2-Dichloroethane MR 6 2008
Ethylbenzene MR 6 2008
1,2-Dichloropropane MR 6 2008
1,2,4-Trichlorobenzene MR 6 2008
p-Dichlorobenzene MR 6 2008
1,1-Dichloroethylene MR 6 2008
Endrin MR 6 2011
Consumer Confidence Rule Other 5 2005
BHC-GAMMA MR 5 2011
Toxaphene MR 5 2011
Dalapon MR 5 2011
Diquat MR 5 2011
Glyphosate MR 5 2011

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 Carrolltown Boro 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 PA4110004 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 Carrolltown Boro 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 Groundwater Rule MR 21 SDWIS / PA4110004 / 0700
2025 Chlorine MR 4 SDWIS / PA4110004 / 0999
2024 Public Notice Other 4 SDWIS / PA4110004 / 7500
2022 Asbestos MR 4 SDWIS / PA4110004 / 1094
2021 Arsenic MR 5 SDWIS / PA4110004 / 1005
2021 Barium MR 5 SDWIS / PA4110004 / 1010
2021 Chromium MR 5 SDWIS / PA4110004 / 1020
2021 CYANIDE MR 5 SDWIS / PA4110004 / 1024
2021 Mercury MR 5 SDWIS / PA4110004 / 1035
2021 Selenium MR 5 SDWIS / PA4110004 / 1045
2021 Beryllium, Total MR 5 SDWIS / PA4110004 / 1075
2021 Thallium, Total MR 5 SDWIS / PA4110004 / 1085
2021 Nickel MR 5 SDWIS / PA4110004 / 1036
2021 Fluoride MR 5 SDWIS / PA4110004 / 1025
2021 Antimony, Total MR 5 SDWIS / PA4110004 / 1074

How Carrolltown Boro Muni Auth Compares

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

Metric Carrolltown Boro Muni Auth Pennsylvania avg Federal benchmark
Total violations 427 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 850 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 Carrolltown Boro Muni Auth water safe to drink? ▼
Carrolltown Boro Muni Auth (PWS ID: PA4110004) has 427 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 850 people using Groundwater sources.
How many people does Carrolltown Boro Muni Auth serve? ▼
Carrolltown Boro Muni Auth serves 850 people in Carrolltown, Pennsylvania. It is a Local-owned system using Groundwater water sources with 555 service connections.
What type of violations does Carrolltown Boro Muni Auth have? ▼
Carrolltown Boro Muni Auth has 427 total violations: 8 health-based violations (MCL exceedances or treatment failures), 376 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Carrolltown Boro Muni Auth water? ▼
No PFAS testing data is available for Carrolltown Boro Muni Auth under the EPA's UCMR5 monitoring program.
What water source does Carrolltown Boro Muni Auth use? ▼
Carrolltown Boro 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.
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.

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.