Public water system · PA4440010
ActiveMifflin Cnty Muni Auth
At a glance
Mifflin Cnty Muni Auth (PWSID PA4440010) is an active community water system in Mifflin County, Pennsylvania. It reports serving 29,432 people through 11,249 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 April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
29,432
Service connections
11,249
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Mifflin Cnty Muni Auth compare with other water systems in Mifflin County?
By EPA's size categories, Mifflin Cnty Muni Auth is a large system (10,001 to 100,000 people). Mifflin County has 27 active public water systems, and Mifflin Cnty Muni Auth is the largest of them by population served. Its population served is about 25 times the county average of 1,197 people per system, and accounts for 91% of the 32,320 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 Mifflin Cnty Muni Auth is about 4.4 times 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 Mifflin Cnty Muni Auth?
EPA lists Mifflin Cnty Muni 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. 6 of the 27 active systems in Mifflin County (22%) are also owned by a local government.
Does Mifflin Cnty Muni 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 April 2025. The violations listed here began between January 2017 and April 2025. By type: 10 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Bromate (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 |
|---|---|---|---|---|
| 2025-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Bromatecode 1011 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Bromatecode 1011 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2020-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | 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.
Mifflin Cnty Muni Auth: frequently asked questions
Who runs Mifflin Cnty Muni Auth?
Mifflin Cnty Muni Auth (PWSID PA4440010) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Mifflin Cnty Muni Auth serve?
Mifflin Cnty Muni Auth reports serving 29,432 people through 11,249 service connections in Mifflin County, Pennsylvania.
Where does Mifflin Cnty Muni 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 Mifflin Cnty Muni 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 April 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 Mifflin Cnty Muni 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 April 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 Mifflin Cnty Muni Auth's water quality report?
As a community water system, Mifflin Cnty Muni 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 Mifflin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Allensville Muni Auth | Mifflin | 480 | Community | Surface water |
| Mcveytown Boro Auth | Mifflin | 478 | Community | Groundwater |
| Newton Hamilton Boro | Mifflin | 270 | Community | Purchased groundwater |
| Sal Lees Dream | Mifflin | 250 | Transient non-community | Groundwater |
| Mifflin Cnty Sch Dist | Mifflin | 233 | Non-transient non-community | Groundwater |
| Wayne Twp Muni Water Auth | Mifflin | 167 | Community | Purchased 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, “Mifflin Cnty Muni Auth, PWSID PA4440010, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/mifflin-cnty-muni-auth-pa4440010 (data as of October 1, 2026).