County · Mississippi
Calhoun County, Mississippi: drinking water records
This overview covers 7 ZIP codes and 17 community water systems in Calhoun 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 |
|---|---|---|---|---|---|
| City of Calhoun City MS0070004 | 2,101 | 0 | 0 | 1 | 1.6 ppb |
| Town of Pittsboro MS0070015 | 1,077 | 0 | 0 | 1 | 4.4 ppb |
| Town of Derma MS0070006 | 957 | 180 | 0 | 0 | 0.7 ppb |
| Big Creek Water Association MS0070002 | 731 | 0 | 0 | 2 | 1.5 ppb |
| Duncan Hill Water Supply MS0070007 | 370 | 66 | 0 | 0 | 0 ppb |
| City of Bruce MS0070003 | 2,798 | 0 | 0 | 0 | 0.9 ppb |
| Mt Comfort W/A-Banner MS0070020 | 2,442 | 0 | 0 | 0 | 0 ppb |
| Town of Vardaman MS0070019 | 1,610 | 0 | 0 | 0 | 14.3 ppb |
| Cross-Roads Water Association MS0070005 | 1,125 | 0 | 0 | 0 | 17.2 ppb |
| Mt Comfort W/A MS0070010 | 1,085 | 0 | 0 | 0 | 0 ppb |
| Mt Comfort W/A-Mt Moriah MS0070011 | 1,011 | 0 | 0 | 0 | 0 ppb |
| Poplar Springs W/A #1 MS0070016 | 645 | 0 | 0 | 0 | 1 ppb |
| Poplar Springs W/A #2 MS0070024 | 627 | 0 | 0 | 0 | 1.1 ppb |
| Mt Comfort W/A-Sarepta MS0070017 | 599 | 0 | 0 | 0 | 0 ppb |
| Macedonia Water Association MS0070008 | 528 | 0 | 0 | 0 | 0.7 ppb |
| New Liberty Water Association MS0070012 | 420 | 0 | 0 | 0 | 1.2 ppb |
| Slate Springs Water Assn MS0070018 | 351 | 0 | 0 | 0 | 1.6 ppb |
ZIP reports in Calhoun 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.