Juniata County, Pennsylvania — public water systems
At a glance
38 active public water systems are filed under Juniata County, Pennsylvania in EPA's SDWIS records, together reporting 13,989 people served. The largest is Mifflintown Muni Auth, which reports serving 4,450 people. 13 are community water systems serving people where they live; the other 25 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
38
Population served
14K
Community systems
13
Groundwater share
97.4%
How does Juniata County compare with other Pennsylvania counties?
Juniata County has the 52nd-most active public water systems among the 99 counties listed for active Pennsylvania systems in EPA records; among the 71 with 3 or more systems, the median has 76. Its systems report 13,989 people served in total, the 61st-largest county figure in the state and 0.1% of the statewide total. The average system here reports serving 368 people, well below the Pennsylvania average of 1,741. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Juniata County's drinking water come from?
By primary water source, Juniata County's active systems draw on groundwater (36, 95%), groundwater under influence of surface water (1, 2.6%) and surface water (1, 2.6%). Overall, 97% rely mainly on groundwater (including purchased groundwater) and 2.6% on surface water, compared with 93% and 6.8% across Pennsylvania. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Mifflintown Muni Auth, draws primarily on surface water.
What kinds of water systems operate in Juniata County?
Juniata County's active systems break down as 13 community systems (34%), 4 non-transient non-community systems (11%) and 21 transient non-community systems (55%). 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. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (76%), local government (16%) and public/private partnership (7.9%).
Water systems in Juniata County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Mifflintown Muni Auth | Juniata | 4,450 | Community | Surface water |
| 2 | Thompsontown Muni Auth | Juniata | 1,000 | Community | Groundwater |
| 3 | Richfield Area Joint Auth | Juniata | 1,000 | Community | Groundwater |
| 4 | Port Royal Muni Auth | Juniata | 950 | Community | Groundwater |
| 5 | Mcalisterville Area Joint Auth | Juniata | 850 | Community | Groundwater under influence of surface water |
| 6 | W E Schlegel Inc. | Juniata | 750 | Transient non-community | Groundwater |
| 7 | East Juniata High Sch | Juniata | 680 | Non-transient non-community | Groundwater |
| 8 | Orchard Hills Apts | Juniata | 499 | Community | Groundwater |
| 9 | Christian Retreat Ctr | Juniata | 400 | Transient non-community | Groundwater |
| 10 | Cedar Grove Bic Church | Juniata | 290 | Transient non-community | Groundwater |
| 11 | Harshbargers Sub N Malt | Juniata | 250 | Transient non-community | Groundwater |
| 12 | Buttonwood Farm & Cg | Juniata | 250 | Transient non-community | Groundwater |
| 13 | Creme Stop | Juniata | 225 | Transient non-community | Groundwater |
| 14 | Champion Modular Homes Inc. | Juniata | 200 | Non-transient non-community | Groundwater |
| 15 | Locust Grove Retirement Home | Juniata | 177 | Community | Groundwater |
| 16 | Groninger Farms Arch Rock | Juniata | 175 | Community | Groundwater |
| 17 | Brookline Retirement Village | Juniata | 150 | Community | Groundwater |
| 18 | Oriental Hotel | Juniata | 150 | Transient non-community | Groundwater |
| 19 | Aqua Pa Inc. Meribah Water Co | Juniata | 135 | Community | Groundwater |
| 20 | Pallet Grocery Outlet | Juniata | 120 | Transient non-community | Groundwater |
| 21 | Deans Store | Juniata | 100 | Transient non-community | Groundwater |
| 22 | Shoops Country Campground | Juniata | 100 | Transient non-community | Groundwater |
| 23 | Mexico Mkt Deli | Juniata | 100 | Transient non-community | Groundwater |
| 24 | Lost Creek Gc | Juniata | 100 | Transient non-community | Groundwater |
| 25 | Brookline Manor | Juniata | 100 | Community | Groundwater |
| 26 | Walnut Cheese Nook | Juniata | 100 | Transient non-community | Groundwater |
| 27 | East Waterford General Store | Juniata | 100 | Transient non-community | Groundwater |
| 28 | River Rock Camping & Rv Park | Juniata | 80 | Transient non-community | Groundwater |
| 29 | Magnolia Personal Care Center | Juniata | 80 | Community | Groundwater |
| 30 | Van Wert Cheese Shop | Juniata | 75 | Transient non-community | Groundwater |
| 31 | Dukes Diner | Juniata | 75 | Transient non-community | Groundwater |
| 32 | Goodwill Christian Day Sch | Juniata | 61 | Non-transient non-community | Groundwater |
| 33 | Benners MHP | Juniata | 60 | Community | Groundwater |
| 34 | Zook Lyter Cottages | Juniata | 42 | Transient non-community | Groundwater |
| 35 | Walker Twp Pk | Juniata | 40 | Transient non-community | Groundwater |
| 36 | North Ridge Center | Juniata | 25 | Non-transient non-community | Groundwater |
| 37 | Spruce Hill Lunch | Juniata | 25 | Transient non-community | Groundwater |
| 38 | Iskcon Gita Nagari Inc. | Juniata | 25 | Transient non-community | Groundwater |
Juniata County water systems: frequently asked questions
How many public water systems are in Juniata County, Pennsylvania?
EPA's SDWIS records file 38 active public water systems under Juniata County, Pennsylvania: 13 community systems (34%), 4 non-transient non-community systems (11%) and 21 transient non-community systems (55%).
Who supplies drinking water in Juniata County, PA?
The largest community water systems filed under Juniata County are Mifflintown Muni Auth (4,450 people served), Thompsontown Muni Auth (1,000 people served) and Richfield Area Joint Auth (1,000 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Juniata County's drinking water come from groundwater or surface water?
Of the 38 active public water systems in Juniata County, 97% draw mainly on groundwater and 2.6% on surface water, counting purchased supplies. The largest system, Mifflintown Muni Auth, uses surface water.
Where can I find a water quality report for Juniata County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 13 community systems are filed under Juniata County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Juniata County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Pennsylvania water systems
- All Pennsylvania public water systems· 7,217 active
- Snyder County· 45 systems
- Clarion County· 44 systems
- Armstrong County· 42 systems
- Fayette County· 40 systems
- Jefferson County· 38 systems
- Union County· 37 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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, “Public water systems in Juniata County, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/juniata (data as of October 1, 2026).