Public water system · PA3540026
ActiveMountain Water Authority
At a glance
Mountain Water Authority (PWSID PA3540026) is an active community water system in Schuylkill County, Pennsylvania. It reports serving 495 people through 175 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 May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
495
Service connections
175
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mountain Water Authority compare with other water systems in Schuylkill County?
By EPA's size categories, Mountain Water Authority is a very small system (500 people or fewer). Schuylkill County has 176 active public water systems. Its population served is about 34% below the county average of 750 people per system, and accounts for 0.4% of the 131,931 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 Mountain Water Authority 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 Mountain Water Authority?
EPA lists Mountain Water Authority 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. 21 of the 176 active systems in Schuylkill County (12%) are also owned by a local government.
Does Mountain Water Authority have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2025. The violations listed here began between January 2011 and May 2025. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Groundwater Rule (5 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 |
|---|---|---|---|---|
| 2025-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2019-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2014-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-03-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | 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.
Mountain Water Authority: frequently asked questions
Who runs Mountain Water Authority?
Mountain Water Authority (PWSID PA3540026) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Mountain Water Authority serve?
Mountain Water Authority reports serving 495 people through 175 service connections in Schuylkill County, Pennsylvania.
Where does Mountain Water Authority 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 Mountain Water Authority 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 May 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 Mountain Water Authority'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 May 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 Mountain Water Authority's water quality report?
As a community water system, Mountain Water Authority 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 Schuylkill County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Schuylkill Co Mun Auth | Schuylkill | 31,850 | Community | Surface water |
| Aqua Shenandoah | Schuylkill | 9,500 | Community | Surface water |
| Tamaqua Area Water Authority | Schuylkill | 8,000 | Community | Surface water |
| Minersville Municipal Water Au | Schuylkill | 7,275 | Community | Surface water |
| Blythe Twp Municipal Authority | Schuylkill | 7,100 | Community | Surface water |
| Kline Township Mun Authority | Schuylkill | 6,700 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Mountain Water Authority, PWSID PA3540026, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/mountain-water-authority-pa3540026 (data as of October 1, 2026).