Cumberland County, Pennsylvania — public water systems
At a glance
94 active public water systems are filed under Cumberland County, Pennsylvania in EPA's SDWIS records, together reporting 246,153 people served. The largest is Pa American Water Co West, which reports serving 105,127 people. 27 are community water systems serving people where they live; the other 67 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
94
Population served
246.2K
Community systems
27
Groundwater share
92.6%
How does Cumberland County compare with other Pennsylvania counties?
Cumberland County has the 27th-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 246,153 people served in total, the 16th-largest county figure in the state and 2% of the statewide total. The average system here reports serving 2,619 people, about 50% 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 Cumberland County's drinking water come from?
By primary water source, Cumberland County's active systems draw on groundwater (85, 90%), surface water (6, 6.4%), groundwater under influence of surface water (1, 1.1%) and purchased surface water (1, 1.1%). Overall, 93% rely mainly on groundwater (including purchased groundwater) and 7.4% 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, Pa American Water Co West, draws primarily on surface water.
What kinds of water systems operate in Cumberland County?
Cumberland County's active systems break down as 27 community systems (29%), 20 non-transient non-community systems (21%) and 47 transient non-community systems (50%). 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 (62%), public/private partnership (17%), local government (15%) and state government (5.3%).
The 50 largest water systems in Cumberland County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Pa American Water Co West | Cumberland | 105,127 | Community | Surface water |
| 2 | Veolia Mechanicsburg | Cumberland | 45,013 | Community | Surface water |
| 3 | Carlisle Water Trmt Plt | Cumberland | 26,000 | Community | Surface water |
| 4 | Shippensburg Boro Water Auth | Cumberland | 17,800 | Community | Surface water |
| 5 | South Middleton Twp Water Auth | Cumberland | 11,695 | Community | Purchased surface water |
| 6 | N Middleton Water Auth | Cumberland | 8,455 | Community | Surface water |
| 7 | Middlesex Twp Muni Auth | Cumberland | 3,527 | Community | Groundwater |
| 8 | State Correctional Inst | Cumberland | 3,500 | Community | Surface water |
| 9 | Mt Holly Springs Boro Auth | Cumberland | 3,261 | Community | Groundwater |
| 10 | Newville Boro Water Auth | Cumberland | 2,070 | Community | Groundwater under influence of surface water |
| 11 | Us Army Garrison | Cumberland | 1,700 | Community | Groundwater |
| 12 | Pine Grove Furnace State Park | Cumberland | 900 | Transient non-community | Groundwater |
| 13 | Mountain Creek Cpgrd | Cumberland | 800 | Transient non-community | Groundwater |
| 14 | Aqua Pa White Rock Acres Sys | Cumberland | 790 | Community | Groundwater |
| 15 | B B Grocery Outlet Newburg | Cumberland | 675 | Non-transient non-community | Groundwater |
| 16 | Visaggios Ristorante | Cumberland | 650 | Transient non-community | Groundwater |
| 17 | Crestview Elem Sch | Cumberland | 537 | Non-transient non-community | Groundwater |
| 18 | Rutters 66 | Cumberland | 500 | Transient non-community | Groundwater |
| 19 | Williams Grove Speedway | Cumberland | 500 | Transient non-community | Groundwater |
| 20 | Regency Woods MHP | Cumberland | 450 | Community | Groundwater |
| 21 | Big Spring Terrace MHP | Cumberland | 439 | Community | Groundwater |
| 22 | Green Ridge Elem Sch | Cumberland | 425 | Non-transient non-community | Groundwater |
| 23 | Dogwood Acres Rec Area | Cumberland | 400 | Transient non-community | Groundwater |
| 24 | Southern Cumberland Water Assn | Cumberland | 400 | Community | Groundwater |
| 25 | Carlisle Church of LDS | Cumberland | 391 | Transient non-community | Groundwater |
| 26 | Monroe Elementary School | Cumberland | 350 | Non-transient non-community | Groundwater |
| 27 | Country View Est | Cumberland | 330 | Community | Groundwater |
| 28 | Carlisle Swim Club | Cumberland | 300 | Transient non-community | Groundwater |
| 29 | Meeting House Church Dillsburg | Cumberland | 300 | Transient non-community | Groundwater |
| 30 | Col Denning St Park | Cumberland | 300 | Transient non-community | Groundwater |
| 31 | Rich Valley Golf Course | Cumberland | 300 | Non-transient non-community | Groundwater |
| 32 | Williams Grove MHP | Cumberland | 282 | Community | Groundwater |
| 33 | Southampton Twp Bldg & Park | Cumberland | 270 | Transient non-community | Groundwater |
| 34 | Conodoguinet Mobile Est | Cumberland | 265 | Community | Groundwater |
| 35 | North Dickinson Elem Sch | Cumberland | 253 | Non-transient non-community | Groundwater |
| 36 | Philip Bongiorno Conf Cntr | Cumberland | 250 | Non-transient non-community | Groundwater |
| 37 | Ashcombe Vegetable Farm & Deli | Cumberland | 250 | Non-transient non-community | Groundwater |
| 38 | T J Rockwells American Grill | Cumberland | 250 | Non-transient non-community | Groundwater |
| 39 | Lower Allen Comm Park | Cumberland | 250 | Transient non-community | Groundwater |
| 40 | Beistle Co | Cumberland | 250 | Non-transient non-community | Groundwater |
| 41 | Plainfield Mart | Cumberland | 250 | Transient non-community | Groundwater |
| 42 | Dickinson Twp Munic Auth | Cumberland | 250 | Community | Purchased groundwater |
| 43 | Daybreak Church | Cumberland | 200 | Transient non-community | Groundwater |
| 44 | Cherokee Campgound | Cumberland | 200 | Transient non-community | Groundwater |
| 45 | Eagles Crossing Golf Club | Cumberland | 200 | Transient non-community | Groundwater |
| 46 | Shippensburg Auction Center | Cumberland | 200 | Transient non-community | Groundwater |
| 47 | Kristys Whistle Stop | Cumberland | 200 | Transient non-community | Groundwater |
| 48 | Midway Bowling Center | Cumberland | 200 | Transient non-community | Groundwater |
| 49 | Mt View Terrace MHP | Cumberland | 179 | Community | Groundwater |
| 50 | Rolling Hills Estates | Cumberland | 175 | Community | Groundwater |
All other water systems in Cumberland County (44)
The remaining active systems filed under Cumberland County, largest first, with the population each reports serving.
- Carlisle Cong of Jehovahs Witn175
- Liberty Forge Golf Course170
- Blue Mountain Heights MHP162
- Southampton Manor MHP160
- Jaymee Lees Quick Stop150
- Deer Run Camping Resort150
- Doubling Gap Ctr150
- Dutch Country Store125
- Silver Spring Country Estates110
- Penn Twp Fire Co100
- Cold Springs Inn & Brewing Com100
- Kings Gap Env Ed Ctr100
- Green Mt Gen Merchandise100
- North Mountain Inn100
- American Islamic Cultural Ctr100
- Twirly Top100
- Cumberland Golf Club100
- Graziellas Pizza & Subs100
- Middle Spring Presbyterian Ch100
- Slate Ridge Mennonite Sch100
- Camp Thompson Ymca Camp100
- River Rock Newville88
- Uriah Community Church80
- Econolodge80
- Harmony Estates MHP80
- Creek View Mobile Home Commun80
- Diakon Wilderness Center80
- Farm 184075
- Carlisle Country Market75
- Rodeway Inn70
- Silver Spring Presb70
- Ybec Plainfield69
- Park 81 Warehouse60
- Kings Gap Gen Store60
- Hillside MHP54
- Pa Turn Newville Maint51
- Kingdom Hall Jehovahs Witness50
- Stardust Motel45
- Ahlstrom Filtration LLC40
- Lane Enterprises35
- Moores Campground25
- Lisburn Fire Co25
- Calvary Chapel Harrisburg25
- Kecks Store & Corner Archery25
Cumberland County water systems: frequently asked questions
How many public water systems are in Cumberland County, Pennsylvania?
EPA's SDWIS records file 94 active public water systems under Cumberland County, Pennsylvania: 27 community systems (29%), 20 non-transient non-community systems (21%) and 47 transient non-community systems (50%).
Who supplies drinking water in Cumberland County, PA?
The largest community water systems filed under Cumberland County are Pa American Water Co West (105,127 people served), Veolia Mechanicsburg (45,013 people served) and Carlisle Water Trmt Plt (26,000 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 Cumberland County's drinking water come from groundwater or surface water?
Of the 94 active public water systems in Cumberland County, 93% draw mainly on groundwater and 7.4% on surface water, counting purchased supplies. The largest system, Pa American Water Co West, uses surface water.
Where can I find a water quality report for Cumberland 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. 27 community systems are filed under Cumberland 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 Cumberland 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
- Lackawanna County· 113 systems
- Susquehanna County· 107 systems
- Lebanon County· 105 systems
- Somerset County· 102 systems
- Perry County· 93 systems
- Bedford County· 92 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 Cumberland County, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/cumberland (data as of October 1, 2026).