County · Tennessee
Smith County, Tennessee: drinking water records
This overview covers 9 ZIP codes and 7 community water systems in Smith 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 |
|---|---|---|---|---|---|
| Smith Utility District TN0000636 | 8,913 | 120 | 1 | 1 | 1 ppb |
| Carthage Water System TN0000095 | 3,624 | 120 | 0 | 3 | 1 ppb |
| Cordell Hull Utility District TN0000096 | 3,220 | 116 | 0 | 5 | 1 ppb |
| South Side U.D. #1 TN0000904 | 4,431 | 120 | 0 | 0 | 1 ppb |
| Twenty Five Utility District TN0000718 | 2,159 | 0 | 0 | 1 | 1 ppb |
| South Side U.D. #3 TN0000953 | 192 | 0 | 0 | 3 | 1 ppb |
| South Side U.D. #2 TN0000910 | 702 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Smith 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.