County · Pennsylvania
Franklin County, Pennsylvania: drinking water records
This overview covers 28 ZIP codes and 30 community water systems in Franklin County. It also stands in for 9 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Guilford Water Auth PA7280038 | 28,135 | 169 | 0 | 2 | 0 ppb |
| Bear Valley Joint Auth PA7280043 | 12,589 | 240 | 1 | 1 | 3.9 ppb |
| Chambersburg Boro Water Sys PA7280005 | 31,048 | 120 | 0 | 0 | 4.7 ppb |
| Boro of Waynesboro PA7280032 | 13,200 | 180 | 0 | 0 | 6 ppb |
| Washington TWP Muni Auth PA7280026 | 6,134 | 300 | 0 | 0 | 1.8 ppb |
| Greencastle Area Water Auth PA7280014 | 5,500 | 120 | 0 | 0 | 5.2 ppb |
| Franklin System York Water PA7280045 | 4,400 | 120 | 0 | 0 | 2 ppb |
| Mercersburg Muni Water Auth PA7280021 | 2,350 | 0 | 0 | 5 | 31 ppb |
| Mont Alto Municipal Authority PA7280040 | 1,705 | 0 | 0 | 1 | 3 ppb |
| South Mountain Restoration Ctr PA7280042 | 950 | 0 | 0 | 1 | 4.4 ppb |
| Edenville Water Assn INC PA7280046 | 491 | 0 | 0 | 1 | 10 ppb |
| Mount Rock Manor PA7280053 | 350 | 0 | 0 | 5 | 2 ppb |
| Dry Run Water Assn PA7280033 | 278 | 0 | 0 | 1 | 2.2 ppb |
| Lenwood Park PA7280058 | 230 | 0 | 0 | 1 | 1.5 ppb |
| Indian Lake Camp Corp PA7280055 | 125 | 0 | 0 | 2 | 3 ppb |
| Green Grove Trailer Ct PA7280010 | 75 | 0 | 0 | 3 | 4 ppb |
| Pleasant Hall Manor PA7280060 | 50 | 0 | 0 | 5 | 112 ppb |
| Antrim Township Municipal Auth PA7280063 | 1,149 | 0 | 0 | 0 | 5 ppb |
| Zullinger Water System Wtma PA7280044 | 1,080 | 0 | 0 | 0 | 6 ppb |
| Whitetail Ski Resort PA7280903 | 912 | 0 | 0 | 0 | 16 ppb |
| Quincy TWP Water System PA7280074 | 530 | 0 | 0 | 0 | 94.5 ppb |
| Quincy Village System PA7280025 | 450 | 0 | 0 | 0 | 1.4 ppb |
| Suez Water Kensington System PA7280064 | 204 | 0 | 0 | 0 | 71 ppb |
| Silver Spring Water Assn PA7280061 | 130 | 0 | 0 | 0 | 1.9 ppb |
| T & J Valley View MHP PA7280047 | 130 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Franklin County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 17210, 17217, 17219, 17247, 17261, 17262, 17263, 17265, 17271.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.