County · North Carolina
Orange County, North Carolina: drinking water records
This overview covers 7 ZIP codes and 27 community water systems in Orange County. It also stands in for 1 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 |
|---|---|---|---|---|---|
| Orange-Alamance Water System NC0368020 | 9,223 | 360 | 5 | 6 | 0 ppb |
| Orange Water & Sewer Authority NC0368010 | 86,500 | 120 | 2 | 0 | 0.7 ppb |
| Hillsborough, Town of NC0368015 | 14,006 | 120 | 0 | 0 | 0 ppb |
| The Trails S/D NC0368182 | 200 | 0 | 0 | 8 | 0 ppb |
| Stoneridge Master NC0368185 | 681 | 0 | 0 | 0 | 0 ppb |
| Birchwood MHP NC0368105 | 312 | 0 | 0 | 0 | 3 ppb |
| Robin`s Wood NC0368145 | 246 | 0 | 0 | 0 | 0 ppb |
| Maple Ridge MHP NC0368122 | 216 | 0 | 0 | 0 | 0 ppb |
| Northwood S/D NC0368179 | 208 | 0 | 0 | 0 | 0 ppb |
| Whispering Pines NC0368135 | 183 | 0 | 0 | 0 | 0 ppb |
| Orange MHP NC0368148 | 144 | 0 | 0 | 0 | 0 ppb |
| Hill Top MHP NC0368118 | 139 | 0 | 0 | 0 | 0 ppb |
| Wildcat Creek S/D NC0368116 | 114 | 0 | 0 | 0 | 0 ppb |
| Arbor Hill MHP NC0368108 | 96 | 0 | 0 | 0 | 0 ppb |
| Euglena Junction NC0368162 | 96 | 0 | 0 | 0 | 0 ppb |
| Stonegate MHP S/D NC0368193 | 96 | 0 | 0 | 0 | 0 ppb |
| Heartwood S/D NC0368189 | 94 | 0 | 0 | 0 | 0 ppb |
| Wood`s MHP NC0368138 | 89 | 0 | 0 | 0 | 0 ppb |
| South Grove Subdivision NC4068021 | 75 | 0 | 0 | 0 | 0 ppb |
| Riley`s MHP NC0368160 | 65 | 0 | 0 | 0 | 0 ppb |
| Oak Grove MHP NC0368152 | 64 | 0 | 0 | 0 | 0 ppb |
| Sturbridge Village NC0368190 | 53 | 0 | 0 | 0 | 0 ppb |
| Foxboro Estates NC0368144 | 48 | 0 | 0 | 0 | 0 ppb |
| Woodland Park NC0368147 | 41 | 0 | 0 | 1 | not reported |
| Carolantic Park NC0368125 | 40 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Orange 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: 27231.
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.