County · Pennsylvania
Adams County, Pennsylvania: drinking water records
This overview covers 14 ZIP codes and 30 community water systems in Adams County. It also stands in for 6 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 |
|---|---|---|---|---|---|
| Littlestown Boro PA7010022 | 7,300 | 420 | 6 | 1 | 3 ppb |
| Gettysburg Muni Auth PA7010019 | 12,425 | 480 | 5 | 0 | 2 ppb |
| New Oxford Munci Auth PA7010025 | 3,963 | 180 | 6 | 0 | 2 ppb |
| Possum Valley Muni Auth PA7010034 | 800 | 0 | 0 | 2 | 6 ppb |
| Hillside Rest Home INC PA7010006 | 58 | 0 | 0 | 1 | 21.4 ppb |
| Lake Meade Muni Auth PA7010036 | 3,221 | 0 | 0 | 0 | 0.1 ppb |
| Bonneauville Muni Water Auth PA7010012 | 2,730 | 0 | 0 | 0 | 27.2 ppb |
| Biglerville Water Co PA7010020 | 2,501 | 0 | 0 | 0 | 13 ppb |
| Fairfield Muni Auth PA7010005 | 2,150 | 0 | 0 | 0 | 8 ppb |
| East Berlin Area Joint Auth PA7010003 | 1,750 | 0 | 0 | 0 | 16.1 ppb |
| Pa Amer Water Co Lake Heritage PA7010035 | 1,648 | 0 | 0 | 0 | 5 ppb |
| Arendtsville Muni Water Sys PA7010001 | 1,200 | 0 | 0 | 0 | 14 ppb |
| York Springs Muni Water PA7010030 | 1,095 | 0 | 0 | 0 | 5.9 ppb |
| Bendersville Muni Auth PA7010002 | 1,039 | 0 | 0 | 0 | 5.9 ppb |
| Eisenhower Water Supply PA7010048 | 760 | 0 | 0 | 0 | 117 ppb |
| Franklin TWP Muni Auth PA7010032 | 441 | 0 | 0 | 0 | 21.1 ppb |
| Anchor Estates PA7010017 | 300 | 0 | 0 | 0 | 1 ppb |
| Western Cumberland Water Sys PA7010038 | 275 | 0 | 0 | 0 | 6 ppb |
| Hoffman Homes for Youths INC PA7010021 | 270 | 0 | 0 | 0 | 15 ppb |
| Carroll Valley Water System PA7010033 | 267 | 0 | 0 | 0 | 4 ppb |
| Paramount Senior Living PA7010007 | 250 | 0 | 0 | 0 | 70 ppb |
| Oak Village PA7010011 | 225 | 0 | 0 | 0 | 5 ppb |
| Mountain View MHP PA7010029 | 180 | 0 | 0 | 0 | 15 ppb |
| Eastern Cumberland Water Sys PA7010044 | 150 | 0 | 0 | 0 | 6.3 ppb |
| Castle Hill MHP PA7010014 | 120 | 0 | 0 | 0 | 2 ppb |
ZIP reports in Adams 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: 17303, 17307, 17316, 17320, 17343, 17372.
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.