Franklin County, Pennsylvania — public water systems
At a glance
115 active public water systems are filed under Franklin County, Pennsylvania in EPA's SDWIS records, together reporting 135,909 people served. The largest is Chambersburg Boro Water Sys, which reports serving 31,048 people. 30 are community water systems serving people where they live; the other 85 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
115
Population served
135.9K
Community systems
30
Groundwater share
92.2%
How does Franklin County compare with other Pennsylvania counties?
Franklin County has the 22nd-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 135,909 people served in total, the 24th-largest county figure in the state and 1.1% of the statewide total. The average system here reports serving 1,182 people, about 32% 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 Franklin County's drinking water come from?
By primary water source, Franklin County's active systems draw on groundwater (105, 91%), surface water (7, 6.1%), purchased surface water (2, 1.7%) and groundwater under influence of surface water (1, 0.9%). Overall, 92% rely mainly on groundwater (including purchased groundwater) and 7.8% 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, Chambersburg Boro Water Sys, draws primarily on surface water.
What kinds of water systems operate in Franklin County?
Franklin County's active systems break down as 30 community systems (26%), 19 non-transient non-community systems (17%) and 66 transient non-community systems (57%). 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 (50%), local government (23%), public/private partnership (23%) and state government (2.6%).
The 50 largest water systems in Franklin County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Chambersburg Boro Water Sys | Franklin | 31,048 | Community | Surface water |
| 2 | Guilford Water Auth | Franklin | 28,135 | Community | Groundwater |
| 3 | Boro of Waynesboro | Franklin | 13,200 | Community | Surface water |
| 4 | Bear Valley Joint Auth | Franklin | 12,589 | Community | Surface water |
| 5 | Washington Twp Muni Auth | Franklin | 6,134 | Community | Groundwater |
| 6 | Greencastle Area Water Auth | Franklin | 5,500 | Community | Surface water |
| 7 | Franklin System York Water | Franklin | 4,400 | Community | Surface water |
| 8 | Caledonia St Park | Franklin | 2,600 | Non-transient non-community | Groundwater |
| 9 | Mercersburg Muni Water Auth | Franklin | 2,350 | Community | Surface water |
| 10 | Grove Worldwide Us LLC | Franklin | 1,800 | Non-transient non-community | Groundwater |
| 11 | Mont Alto Municipal Authority | Franklin | 1,705 | Community | Groundwater |
| 12 | James Buchanan Middle/High Sch | Franklin | 1,450 | Non-transient non-community | Groundwater |
| 13 | Pa State Univ Mont Alto Campus | Franklin | 1,300 | Non-transient non-community | Groundwater |
| 14 | Antrim Township Municipal Auth | Franklin | 1,149 | Community | Groundwater under influence of surface water |
| 15 | Zullinger Water System Wtma | Franklin | 1,080 | Community | Purchased surface water |
| 16 | Saunderosa Park | Franklin | 999 | Transient non-community | Groundwater |
| 17 | South Mountain Restoration Ctr | Franklin | 950 | Community | Surface water |
| 18 | Whitetail Ski Resort | Franklin | 912 | Community | Groundwater |
| 19 | Five Forks Brethren in Christ | Franklin | 900 | Transient non-community | Groundwater |
| 20 | Lakeview Motel & Restaurant | Franklin | 800 | Transient non-community | Groundwater |
| 21 | Mowrey Elem Sch | Franklin | 695 | Non-transient non-community | Groundwater |
| 22 | Fannett Metal Sch Dist | Franklin | 600 | Non-transient non-community | Groundwater |
| 23 | Antrim Bic Church | Franklin | 550 | Transient non-community | Groundwater |
| 24 | Quincy Twp Water System | Franklin | 530 | Community | Groundwater |
| 25 | Rutters Farm Store 78 | Franklin | 500 | Transient non-community | Groundwater |
| 26 | Edenville Water Assn Inc. | Franklin | 491 | Community | Groundwater |
| 27 | Quincy Mini Mart | Franklin | 450 | Transient non-community | Groundwater |
| 28 | Quincy Village System | Franklin | 450 | Community | Groundwater |
| 29 | Klines Grocery | Franklin | 400 | Transient non-community | Groundwater |
| 30 | Solomons Evangelical Luth Ch | Franklin | 400 | Transient non-community | Groundwater |
| 31 | Ishas Mart 2 | Franklin | 400 | Transient non-community | Groundwater |
| 32 | Luigis Pizza Factory | Franklin | 400 | Transient non-community | Groundwater |
| 33 | Kauffman Community Center | Franklin | 350 | Transient non-community | Groundwater |
| 34 | Mount Rock Manor | Franklin | 350 | Community | Groundwater |
| 35 | Pauls Country Mkt | Franklin | 300 | Transient non-community | Groundwater |
| 36 | Montgomery Elem School | Franklin | 300 | Non-transient non-community | Groundwater |
| 37 | Dry Run Water Assn | Franklin | 278 | Community | Groundwater |
| 38 | Mercersburg Sportsman Assn | Franklin | 275 | Transient non-community | Groundwater |
| 39 | Camp Tohiglo | Franklin | 260 | Transient non-community | Groundwater |
| 40 | Mrs Gibble Restaurant | Franklin | 240 | Transient non-community | Groundwater |
| 41 | Hollowell Brethren in Christ | Franklin | 230 | Transient non-community | Groundwater |
| 42 | Lenwood Park | Franklin | 230 | Community | Groundwater |
| 43 | Greencastle Ch of God | Franklin | 220 | Transient non-community | Groundwater |
| 44 | Suez Water Kensington System | Franklin | 204 | Community | Purchased surface water |
| 45 | South Mountain Bible Ch | Franklin | 200 | Transient non-community | Groundwater |
| 46 | Rhodes Grove Camp | Franklin | 200 | Transient non-community | Groundwater |
| 47 | Spring Run Pit Stop | Franklin | 200 | Transient non-community | Groundwater |
| 48 | South Mountain Fish & Game | Franklin | 200 | Transient non-community | Groundwater |
| 49 | Antrim Township Park | Franklin | 200 | Transient non-community | Groundwater |
| 50 | Cedar Grove Mennonite Church | Franklin | 200 | Transient non-community | Groundwater |
All other water systems in Franklin County (65)
The remaining active systems filed under Franklin County, largest first, with the population each reports serving.
- Quincy Gym200
- Apx Enclosures Inc.190
- New Guilford Breth in Christ165
- Rt 75 Pit Stop160
- Portico River Brethren School160
- Waynesboro Kingdom Hall160
- Mckinney Station160
- Shady Grove Mennonite Sch155
- Il Castello150
- Macedonia Ub Ch150
- Camp Joy El150
- Salem United Breth in Christ150
- Arturo Pizza 2 Mexican Grill150
- Spirit of Christ150
- Bakers Kwik Stop150
- Grandpoint Church Greencastle150
- Criders United Bic Church140
- T & J Valley View MHP130
- Silver Spring Water Assn130
- Indian Lake Camp Corp125
- J W Mccartney Post 232125
- Beck Manuf Div of Anvil Inter125
- Fireside Pub Greencastle Golf115
- State Line Ruritan Club100
- Pleasant Hall Fire Company100
- Twin Bridge Meadow Campground100
- South Mountain Hotel and Bar100
- Whitetail Golf Course Pro Shop100
- Mowersville Brethren in Christ100
- American Legion Post 606100
- Fun Castle100
- Twin Kiss Drive in100
- Path Valley Restaurant100
- Arturos Pizza100
- Greencastle Livestock Mkt100
- Tuscarora Senior Activity Ctr100
- Herbrucks of Pa100
- Shanks Ch of the Brethern100
- Wadels MHP97
- Manito Inc.95
- Lizzys Ice Cream & Sandwch Shp90
- Shangri La MHP86
- Fannettsburg Inn75
- Double Dip75
- Green Grove Trailer Ct75
- Chambersburg Rod & Gun Club75
- Sun Valley Campground75
- Chambersburg Waste Paper75
- Cove Valley Camp75
- Greencastle Sr Activity Ctr75
- State Line MHP65
- Salem Ridge Community Church60
- Heritage Hills Retirement Comm57
- Country Store Cafe55
- Berean Bible Fellowship50
- Mt Rock Orchards50
- Pleasant Hall Manor50
- Strait Steel Inc.50
- Pigeon Hill School50
- Chaparral Tavern50
- Oak Hill School46
- Path Valley Market35
- Sunny Spot Apartments27
- Castle Machine Company26
- Five Forks Tavern26
Franklin County water systems: frequently asked questions
How many public water systems are in Franklin County, Pennsylvania?
EPA's SDWIS records file 115 active public water systems under Franklin County, Pennsylvania: 30 community systems (26%), 19 non-transient non-community systems (17%) and 66 transient non-community systems (57%).
Who supplies drinking water in Franklin County, PA?
The largest community water systems filed under Franklin County are Chambersburg Boro Water Sys (31,048 people served), Guilford Water Auth (28,135 people served) and Boro of Waynesboro (13,200 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 Franklin County's drinking water come from groundwater or surface water?
Of the 115 active public water systems in Franklin County, 92% draw mainly on groundwater and 7.8% on surface water, counting purchased supplies. The largest system, Chambersburg Boro Water Sys, uses surface water.
Where can I find a water quality report for Franklin 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. 30 community systems are filed under Franklin 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 Franklin 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
- Erie County· 134 systems
- Dauphin County· 134 systems
- Lycoming County· 126 systems
- Mercer County· 124 systems
- Lackawanna County· 113 systems
- Susquehanna County· 107 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 Franklin County, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/franklin (data as of October 1, 2026).