Public water system · PA4340008
ActiveMifflintown Muni Auth
At a glance
Mifflintown Muni Auth (PWSID PA4340008) is an active community water system in Juniata County, Pennsylvania. It reports serving 4,450 people through 1,444 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 January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,450
Service connections
1,444
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Mifflintown Muni Auth compare with other water systems in Juniata County?
By EPA's size categories, Mifflintown Muni Auth is a medium system (3,301 to 10,000 people). Juniata County has 38 active public water systems, and Mifflintown Muni Auth is the largest of them by population served. Its population served is about 12 times the county average of 368 people per system, and accounts for 32% of the 13,989 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 Mifflintown Muni Auth is about 34% 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 Mifflintown Muni Auth?
EPA lists Mifflintown 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 38 active systems in Juniata County (16%) are also owned by a local government.
Does Mifflintown 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 January 2024. The violations listed here began between October 2018 and January 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2019-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2019-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2019-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2018-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2018-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | 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.
Mifflintown Muni Auth: frequently asked questions
Who runs Mifflintown Muni Auth?
Mifflintown Muni Auth (PWSID PA4340008) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Mifflintown Muni Auth serve?
Mifflintown Muni Auth reports serving 4,450 people through 1,444 service connections in Juniata County, Pennsylvania.
Where does Mifflintown 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 Mifflintown 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 January 2024. 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 Mifflintown 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 January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Mifflintown Muni Auth's water quality report?
As a community water system, Mifflintown 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 Juniata County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Richfield Area Joint Auth | Juniata | 1,000 | Community | Groundwater |
| Thompsontown Muni Auth | Juniata | 1,000 | Community | Groundwater |
| Port Royal Muni Auth | Juniata | 950 | Community | Groundwater |
| Mcalisterville Area Joint Auth | Juniata | 850 | Community | Groundwater under influence of surface water |
| W E Schlegel Inc. | Juniata | 750 | Transient non-community | Groundwater |
| East Juniata High Sch | Juniata | 680 | Non-transient non-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, “Mifflintown Muni Auth, PWSID PA4340008, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/mifflintown-muni-auth-pa4340008 (data as of October 1, 2026).