County · Virginia
Louisa County, Virginia: drinking water records
This overview covers 4 ZIP codes and 10 community water systems in Louisa County. It also stands in for 0 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 |
|---|---|---|---|---|---|
| Louisa County Water Authority VA2109510 | 4,254 | 240 | 0 | 9 | 0 ppb |
| Louisa County Zion Crossroads VA2109990 | 2,903 | 0 | 0 | 1 | 0 ppb |
| Louisa, Town of VA2109450 | 1,555 | 0 | 0 | 11 | 0 ppb |
| Blue Ridge Shores VA2109075 | 1,707 | 0 | 0 | 0 | 0 ppb |
| Shenandoah Crossing VA2109650 | 950 | 0 | 0 | 0 | 1.0 ppb |
| Mineral, Town of VA2109525 | 478 | 0 | 0 | 0 | 5.7 ppb |
| New Bridge VA2109340 | 100 | 0 | 0 | 0 | 0 ppb |
| Twin Oaks Community VA2109825 | 70 | 0 | 0 | 0 | 4.0 ppb |
| Trevilians Square Apartments VA2109800 | 61 | 0 | 0 | 0 | 0.3 ppb |
| Sesmau Jerdone Island VA2109265 | 50 | 0 | 0 | 0 | 7 ppb |
ZIP reports in Louisa County
No ZIP report in this county is published yet.
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.