Public water system · PA5650101
ActiveLaurel Mountain Borough
At a glance
Laurel Mountain Borough (PWSID PA5650101) is an active community water system in Westmoreland County, Pennsylvania. It reports serving 110 people through 110 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
110
Service connections
110
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Laurel Mountain Borough compare with other water systems in Westmoreland County?
By EPA's size categories, Laurel Mountain Borough is a very small system (500 people or fewer). Westmoreland County has 74 active public water systems. Its population served is well below the county average of 3,544 people per system, and accounts for less than 0.1% of the 262,253 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 Laurel Mountain Borough 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 244 Pennsylvania systems (3.4%) list purchased surface water as their primary source.
Who owns and regulates Laurel Mountain Borough?
EPA lists Laurel Mountain Borough 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. 11 of the 74 active systems in Westmoreland County (15%) are also owned by a local government.
Does Laurel Mountain Borough have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in April 2026. The violations listed here began between March 2026 and April 2026. By type: 4 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Chlorine (2 of them). EPA lists 6 as archived. 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 |
|---|---|---|---|---|
| 2026-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
| 2026-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2026-04-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2026-03-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2026-03-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
| 2026-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
All 6 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.
Laurel Mountain Borough: frequently asked questions
Who runs Laurel Mountain Borough?
Laurel Mountain Borough (PWSID PA5650101) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Laurel Mountain Borough serve?
Laurel Mountain Borough reports serving 110 people through 110 service connections in Westmoreland County, Pennsylvania.
Where does Laurel Mountain Borough get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Laurel Mountain Borough have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in April 2026. 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 Laurel Mountain Borough'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. EPA's records list 6 violations for this system; none is health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Laurel Mountain Borough's water quality report?
As a community water system, Laurel Mountain Borough 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 Westmoreland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mawc Sweeney Plant | Westmoreland | 143,000 | Community | Surface water |
| New Kensington Muni Auth | Westmoreland | 47,800 | Community | Surface water |
| Latrobe Muni Auth | Westmoreland | 30,000 | Community | Surface water |
| Highridge Water Auth | Westmoreland | 16,000 | Community | Surface water |
| Derry Boro Muni Auth | Westmoreland | 6,500 | Community | Surface water |
| Ligonier Twp Muni Auth | Westmoreland | 3,293 | Community | 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, “Laurel Mountain Borough, PWSID PA5650101, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/laurel-mountain-borough-pa5650101 (data as of October 1, 2026).