County · Tennessee
Hamilton County, Tennessee: drinking water records
This overview covers 25 ZIP codes and 8 community water systems in Hamilton 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 |
|---|---|---|---|---|---|
| Tennessee American Water TN0000107 | 207,046 | 120 | 2 | 0 | 1 ppb |
| Hixson Utility District TN0000303 | 68,306 | 120 | 2 | 0 | 2.0 ppb |
| Eastside Utility District TN0000219 | 59,612 | 120 | 1 | 0 | 2.3 ppb |
| Savannah Valley U.D. TN0000613 | 30,571 | 300 | 8 | 0 | 1.8 ppb |
| Northwest Utility District TN0000169 | 20,710 | 120 | 0 | 0 | 1 ppb |
| Walden'S Ridge U.D. TN0000635 | 9,265 | 60 | 1 | 0 | 1 ppb |
| Signal Mountain Water System TN0000634 | 7,761 | 120 | 2 | 0 | 1 ppb |
| Union Fork-Bakewell U.D. TN0000037 | 6,464 | 60 | 0 | 0 | 1 ppb |
ZIP reports in Hamilton 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.