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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

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Active public water systems in Juniata County, Pennsylvania
#Water systemCountyPopulation servedTypeSource
1Mifflintown Muni AuthJuniata4,450CommunitySurface water
2Thompsontown Muni AuthJuniata1,000CommunityGroundwater
3Richfield Area Joint AuthJuniata1,000CommunityGroundwater
4Port Royal Muni AuthJuniata950CommunityGroundwater
5Mcalisterville Area Joint AuthJuniata850CommunityGroundwater under influence of surface water
6W E Schlegel Inc.Juniata750Transient non-communityGroundwater
7East Juniata High SchJuniata680Non-transient non-communityGroundwater
8Orchard Hills AptsJuniata499CommunityGroundwater
9Christian Retreat CtrJuniata400Transient non-communityGroundwater
10Cedar Grove Bic ChurchJuniata290Transient non-communityGroundwater
11Harshbargers Sub N MaltJuniata250Transient non-communityGroundwater
12Buttonwood Farm & CgJuniata250Transient non-communityGroundwater
13Creme StopJuniata225Transient non-communityGroundwater
14Champion Modular Homes Inc.Juniata200Non-transient non-communityGroundwater
15Locust Grove Retirement HomeJuniata177CommunityGroundwater
16Groninger Farms Arch RockJuniata175CommunityGroundwater
17Brookline Retirement VillageJuniata150CommunityGroundwater
18Oriental HotelJuniata150Transient non-communityGroundwater
19Aqua Pa Inc. Meribah Water CoJuniata135CommunityGroundwater
20Pallet Grocery OutletJuniata120Transient non-communityGroundwater
21Deans StoreJuniata100Transient non-communityGroundwater
22Shoops Country CampgroundJuniata100Transient non-communityGroundwater
23Mexico Mkt DeliJuniata100Transient non-communityGroundwater
24Lost Creek GcJuniata100Transient non-communityGroundwater
25Brookline ManorJuniata100CommunityGroundwater
26Walnut Cheese NookJuniata100Transient non-communityGroundwater
27East Waterford General StoreJuniata100Transient non-communityGroundwater
28River Rock Camping & Rv ParkJuniata80Transient non-communityGroundwater
29Magnolia Personal Care CenterJuniata80CommunityGroundwater
30Van Wert Cheese ShopJuniata75Transient non-communityGroundwater
31Dukes DinerJuniata75Transient non-communityGroundwater
32Goodwill Christian Day SchJuniata61Non-transient non-communityGroundwater
33Benners MHPJuniata60CommunityGroundwater
34Zook Lyter CottagesJuniata42Transient non-communityGroundwater
35Walker Twp PkJuniata40Transient non-communityGroundwater
36North Ridge CenterJuniata25Non-transient non-communityGroundwater
37Spruce Hill LunchJuniata25Transient non-communityGroundwater
38Iskcon Gita Nagari Inc.Juniata25Transient non-communityGroundwater

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

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).