Public water system · PA7280063
ActiveAntrim Township Municipal Auth
At a glance
Antrim Township Municipal Auth (PWSID PA7280063) is an active community water system in Franklin County, Pennsylvania. It reports serving 1,149 people through 442 service connections. Its primary water source is groundwater under influence of 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 January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,149
Service connections
442
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Antrim Township Municipal Auth compare with other water systems in Franklin County?
By EPA's size categories, Antrim Township Municipal Auth is a small system (501 to 3,300 people). Franklin County has 115 active public water systems. Its population served is roughly in line with the county average of 1,182 people per system, and accounts for 0.8% of the 135,909 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 Antrim Township Municipal 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 under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 40 Pennsylvania systems (0.6%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Antrim Township Municipal Auth?
EPA lists Antrim Township Municipal 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. 27 of the 115 active systems in Franklin County (23%) are also owned by a local government.
Does Antrim Township Municipal 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 January 2025. The violations listed here began between January 2021 and January 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (2 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-01-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | 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.
Antrim Township Municipal Auth: frequently asked questions
Who runs Antrim Township Municipal Auth?
Antrim Township Municipal Auth (PWSID PA7280063) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Antrim Township Municipal Auth serve?
Antrim Township Municipal Auth reports serving 1,149 people through 442 service connections in Franklin County, Pennsylvania.
Where does Antrim Township Municipal Auth get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Antrim Township Municipal 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 January 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 Antrim Township Municipal 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 January 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 Antrim Township Municipal Auth's water quality report?
As a community water system, Antrim Township Municipal 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 Franklin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chambersburg Boro Water Sys | Franklin | 31,048 | Community | Surface water |
| Guilford Water Auth | Franklin | 28,135 | Community | Groundwater |
| Boro of Waynesboro | Franklin | 13,200 | Community | Surface water |
| Bear Valley Joint Auth | Franklin | 12,589 | Community | Surface water |
| Washington Twp Muni Auth | Franklin | 6,134 | Community | Groundwater |
| Greencastle Area Water Auth | Franklin | 5,500 | 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, “Antrim Township Municipal Auth, PWSID PA7280063, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/antrim-township-municipal-auth-pa7280063 (data as of October 1, 2026).