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Cambria County, Pennsylvania — public water systems

At a glance

65 active public water systems are filed under Cambria County, Pennsylvania in EPA's SDWIS records, together reporting 141,432 people served. The largest is Greater Johnstown Wa Riverside, which reports serving 49,500 people. 36 are community water systems serving people where they live; the other 29 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

65

Population served

141.4K

Community systems

36

Groundwater share

72.3%

How does Cambria County compare with other Pennsylvania counties?

Cambria County has the 38th-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 141,432 people served in total, the 23rd-largest county figure in the state and 1.1% of the statewide total. The average system here reports serving 2,176 people, about 25% above 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 Cambria County's drinking water come from?

By primary water source, Cambria County's active systems draw on groundwater (41, 63%), surface water (12, 18%), purchased surface water (6, 9.2%) and purchased groundwater (5, 7.7%). Overall, 72% rely mainly on groundwater (including purchased groundwater) and 28% 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, Greater Johnstown Wa Riverside, draws primarily on surface water.

What kinds of water systems operate in Cambria County?

Cambria County's active systems break down as 36 community systems (55%), 2 non-transient non-community systems (3.1%) and 27 transient non-community systems (42%). 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 local government (48%), private (34%), public/private partnership (15%) and federal government (1.5%).

The 50 largest water systems in Cambria County

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Active public water systems in Cambria County, Pennsylvania
#Water systemCountyPopulation servedTypeSource
1Greater Johnstown Wa RiversideCambria49,500CommunitySurface water
2Highland S & W Auth BeaverdamCambria22,617CommunitySurface water
3Ebensburg Boro Muni AuthCambria8,500CommunitySurface water
4Portage Boro Muni AuthCambria6,500CommunitySurface water
5Northern Cambria Muni WaterCambria4,500CommunityGroundwater under influence of surface water
6Southwestern Cambria Cnty AuthCambria4,400CommunityPurchased surface water
7Jackson Twp Water AuthCambria4,236CommunityPurchased surface water
8Glendale Valley Municipal AuthCambria3,200CommunityPurchased groundwater
9Nanty Glo Water AuthCambria3,152CommunitySurface water
10East Taylor Muni AuthCambria3,152CommunityPurchased surface water
11Gallitzin Boro Water AuthCambria3,130CommunitySurface water
12Cresson Twp Muni AuthCambria2,500CommunityPurchased groundwater
13Hastings Muni AuthCambria2,100CommunitySurface water
14Saint Francis UniversityCambria2,072CommunityGroundwater
15Patton Boro Water DeptCambria1,805CommunityGroundwater
16Reade Twp Muni AuthCambria1,746CommunityGroundwater
17Cresson Boro Water SysCambria1,700CommunityPurchased groundwater
18Blacklick Valley Muni AuthCambria1,650CommunityPurchased surface water
19Federal Corr Institute LorettoCambria1,500CommunityGroundwater
20Lilly Borough Water AuthorityCambria1,388CommunityPurchased surface water
21Cambria Twp Water AuthCambria1,000CommunitySurface water
22Croyle Twp Water AuthCambria989CommunityPurchased surface water
23Prince Gallitzin State ParkCambria962Transient non-communitySurface water
24Duman Lake County ParkCambria900Transient non-communityGroundwater
25Carrolltown Boro Muni AuthCambria850CommunityGroundwater
26Sankertown Boro Water SysCambria760CommunityPurchased groundwater
27Highland S & W Auth LloydellCambria723CommunityGroundwater
28West Carroll W Auth BakertonCambria670CommunitySurface water
29St Nicholas Church HallCambria500Transient non-communityGroundwater
30W Carroll Twp W Auth St BenedCambria488CommunitySurface water
31Loretto Boro Water SysCambria480CommunityPurchased groundwater
32Highland S&W Auth Northern EndCambria463CommunityGroundwater
33Woodland Park CampgroundCambria400Transient non-communityGroundwater
34Keystone RestaurantCambria250Transient non-communityGroundwater
35Dean Twp Water SystemCambria216CommunityGroundwater
36Rock Run Recreation AreaCambria200Transient non-communityGroundwater
37Camp ConshatawbaCambria200Transient non-communityGroundwater
38Greater Johnstown Wa SaltlickCambria170CommunitySurface water
39St Nicholas Catholic SchoolCambria150Non-transient non-communityGroundwater
40Saint Monica Church HallCambria150Transient non-communityGroundwater
41Coal Country CampgroundCambria120Transient non-communityGroundwater
42Pirates CoveCambria110Transient non-communityGroundwater
43Captain Rons DeliCambria100Transient non-communityGroundwater
44Island BbqCambria100Transient non-communityGroundwater
45Colver Sportsmans ClubCambria100Transient non-communityGroundwater
46Teakettle Run Water AuthCambria92CommunityGroundwater
47N E Trailer CourtCambria81CommunityGroundwater
48Cambrian Hills GcCambria80Transient non-communityGroundwater
49Reds Bar B QueCambria75Transient non-communityGroundwater
50Marsteller Comm Water AuthCambria75CommunityGroundwater

All other water systems in Cambria County (15)

The remaining active systems filed under Cambria County, largest first, with the population each reports serving.

Cambria County water systems: frequently asked questions

How many public water systems are in Cambria County, Pennsylvania?

EPA's SDWIS records file 65 active public water systems under Cambria County, Pennsylvania: 36 community systems (55%), 2 non-transient non-community systems (3.1%) and 27 transient non-community systems (42%).

Who supplies drinking water in Cambria County, PA?

The largest community water systems filed under Cambria County are Greater Johnstown Wa Riverside (49,500 people served), Highland S & W Auth Beaverdam (22,617 people served) and Ebensburg Boro Muni Auth (8,500 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 Cambria County's drinking water come from groundwater or surface water?

Of the 65 active public water systems in Cambria County, 72% draw mainly on groundwater and 28% on surface water, counting purchased supplies. The largest system, Greater Johnstown Wa Riverside, uses surface water.

Where can I find a water quality report for Cambria 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. 36 community systems are filed under Cambria 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 Cambria 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 Cambria County, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/cambria (data as of October 1, 2026).