Public water system · PA4560009
ActiveSomerset Cnty Quemahoning Syst
At a glance
Somerset Cnty Quemahoning Syst (PWSID PA4560009) is an active community water system in Somerset County, Pennsylvania. It reports serving 25 people through 6 service connections. Its primary water source is surface water, 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 July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
6
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Somerset Cnty Quemahoning Syst compare with other water systems in Somerset County?
By EPA's size categories, Somerset Cnty Quemahoning Syst is a very small system (500 people or fewer). Somerset County has 102 active public water systems. Its population served is well below the county average of 665 people per system, and accounts for less than 0.1% of the 67,819 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 Somerset Cnty Quemahoning Syst 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 246 Pennsylvania systems (3.4%) list surface water as their primary source.
Who owns and regulates Somerset Cnty Quemahoning Syst?
EPA lists Somerset Cnty Quemahoning Syst 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. 30 of the 102 active systems in Somerset County (29%) are also owned by a local government.
Does Somerset Cnty Quemahoning Syst have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between January 2013 and July 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (3 of them). EPA lists 11 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2017-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2013-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2013-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | 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.
Somerset Cnty Quemahoning Syst: frequently asked questions
Who runs Somerset Cnty Quemahoning Syst?
Somerset Cnty Quemahoning Syst (PWSID PA4560009) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Somerset Cnty Quemahoning Syst serve?
Somerset Cnty Quemahoning Syst reports serving 25 people through 6 service connections in Somerset County, Pennsylvania.
Where does Somerset Cnty Quemahoning Syst get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Somerset Cnty Quemahoning Syst 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 July 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 Somerset Cnty Quemahoning Syst'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 July 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 Somerset Cnty Quemahoning Syst's water quality report?
As a community water system, Somerset Cnty Quemahoning Syst 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 Somerset County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Windber Area Auth | Somerset | 9,463 | Community | Groundwater |
| Conemaugh Twp Muni Auth | Somerset | 7,800 | Community | Surface water |
| Somerset Boro Muni Water Auth | Somerset | 6,309 | Community | Purchased surface water |
| Somerset Twp Muni Auth Oakridg | Somerset | 3,800 | Community | Purchased surface water |
| Seven Springs Muni Auth | Somerset | 3,000 | Community | Groundwater under influence of surface water |
| Boswell Boro Muni Auth | Somerset | 2,900 | 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, “Somerset Cnty Quemahoning Syst, PWSID PA4560009, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/somerset-cnty-quemahoning-syst-pa4560009 (data as of October 1, 2026).