Public water system · PA4110004
ActiveCarrolltown Boro Muni Auth
At a glance
Carrolltown Boro Muni Auth (PWSID PA4110004) is an active community water system in Cambria County, Pennsylvania. It reports serving 850 people through 555 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
850
Service connections
555
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Carrolltown Boro Muni Auth compare with other water systems in Cambria County?
By EPA's size categories, Carrolltown Boro Muni Auth is a small system (501 to 3,300 people). Cambria County has 65 active public water systems. Its population served is about 61% below the county average of 2,176 people per system, and accounts for 0.6% of the 141,432 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active community water system reports serving 6,703 people, so Carrolltown Boro Muni Auth is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Pennsylvania has 1,762 active community water systems, 24% of the state's 7,217 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,632 Pennsylvania systems (92%) list groundwater as their primary source.
Who owns and regulates Carrolltown Boro Muni Auth?
EPA lists Carrolltown Boro Muni Auth as owned by a local government. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 31 of the 65 active systems in Cambria County (48%) are also owned by a local government.
Does Carrolltown Boro Muni Auth have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. The violations listed here began between January 2021 and August 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (4 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2025-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2024-01-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2023-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Carrolltown Boro Muni Auth: frequently asked questions
Who runs Carrolltown Boro Muni Auth?
Carrolltown Boro Muni Auth (PWSID PA4110004) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Carrolltown Boro Muni Auth serve?
Carrolltown Boro Muni Auth reports serving 850 people through 555 service connections in Cambria County, Pennsylvania.
Where does Carrolltown Boro Muni Auth get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Carrolltown Boro Muni Auth have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Carrolltown Boro Muni Auth's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Carrolltown Boro Muni Auth's water quality report?
As a community water system, Carrolltown Boro Muni Auth must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Cambria County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Greater Johnstown Wa Riverside | Cambria | 49,500 | Community | Surface water |
| Highland S & W Auth Beaverdam | Cambria | 22,617 | Community | Surface water |
| Ebensburg Boro Muni Auth | Cambria | 8,500 | Community | Surface water |
| Portage Boro Muni Auth | Cambria | 6,500 | Community | Surface water |
| Northern Cambria Muni Water | Cambria | 4,500 | Community | Groundwater under influence of surface water |
| Southwestern Cambria Cnty Auth | Cambria | 4,400 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Carrolltown Boro Muni Auth, PWSID PA4110004, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/carrolltown-boro-muni-auth-pa4110004 (data as of October 1, 2026).