Public water system · PA4310015
ActiveMapleton Muni Water Auth
At a glance
Mapleton Muni Water Auth (PWSID PA4310015) is an active community water system in Huntingdon County, Pennsylvania. It reports serving 570 people through 244 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 December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
570
Service connections
244
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Mapleton Muni Water Auth compare with other water systems in Huntingdon County?
By EPA's size categories, Mapleton Muni Water Auth is a small system (501 to 3,300 people). Huntingdon County has 86 active public water systems. Its population served is about 21% above the county average of 470 people per system, and accounts for 1.4% of the 40,410 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 Mapleton Muni Water 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. 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 Mapleton Muni Water Auth?
EPA lists Mapleton Muni Water 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. 19 of the 86 active systems in Huntingdon County (22%) are also owned by a local government.
Does Mapleton Muni Water 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 December 2025. The violations listed here began between April 2024 and December 2025. By type: 7 monitoring and reporting, 3 public notice, recordkeeping or other and 2 monitoring. The contaminant or rule involved most often is Public Notice (3 of them). EPA lists 9 as resolved and 3 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 |
|---|---|---|---|---|
| 2025-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2025-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Archived |
| 2025-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2025-01-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2025-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-04-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-04-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | 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.
Mapleton Muni Water Auth: frequently asked questions
Who runs Mapleton Muni Water Auth?
Mapleton Muni Water Auth (PWSID PA4310015) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Mapleton Muni Water Auth serve?
Mapleton Muni Water Auth reports serving 570 people through 244 service connections in Huntingdon County, Pennsylvania.
Where does Mapleton Muni Water Auth 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 Mapleton Muni Water 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 December 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 Mapleton Muni Water 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 December 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 Mapleton Muni Water Auth's water quality report?
As a community water system, Mapleton Muni Water 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 Huntingdon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Huntingdon Boro Water Dept | Huntingdon | 13,776 | Community | Surface water |
| Mt Union Municipal Auth | Huntingdon | 5,801 | Community | Surface water |
| St Correct Inst Huntingdon | Huntingdon | 2,200 | Community | Purchased surface water |
| Martins Gen Store | Huntingdon | 1,500 | Transient non-community | Groundwater |
| Walker Twp Muni Auth | Huntingdon | 1,450 | Community | Groundwater |
| Orbisonia Rockhill Jt Mun Auth | Huntingdon | 1,200 | Community | Groundwater |
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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, “Mapleton Muni Water Auth, PWSID PA4310015, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/mapleton-muni-water-auth-pa4310015 (data as of October 1, 2026).