County · Missouri
Dunklin County, Missouri: drinking water records
This overview covers 12 ZIP codes and 15 community water systems in Dunklin 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 |
|---|---|---|---|---|---|
| Dunklin County Pwsd 1 MO4024206 | 4,307 | 120 | 0 | 1 | 1.7 ppb |
| Malden PWS MO4010490 | 3,706 | 180 | 0 | 1 | 2.5 ppb |
| Kennett PWS MO4010417 | 10,200 | 60 | 1 | 0 | 1.1 ppb |
| Pemiscot County Con Pwsd 1 MO4024448 | 6,042 | 240 | 0 | 0 | 1.1 ppb |
| Lake Royale S/D NC0235108 | 5,890 | 120 | 1 | 0 | 0.9 ppb |
| Dunklin County Pwsd 2 MO4024207 | 2,900 | 0 | 0 | 1 | 1.4 ppb |
| Senath PWS MO4010732 | 1,767 | 0 | 0 | 1 | 5.5 ppb |
| Campbell PWS MO4010132 | 1,562 | 120 | 0 | 0 | 1.4 ppb |
| Clarkton PWS MO4010170 | 1,124 | 0 | 0 | 4 | 1.3 ppb |
| Hornersville PWS MO4010379 | 526 | 0 | 0 | 1 | 1.2 ppb |
| Dunklin County Pwsd 3 South MO4024209 | 1,972 | 0 | 0 | 0 | 0 ppb |
| Holcomb PWS MO4010370 | 635 | 0 | 0 | 0 | 1.8 ppb |
| Cardwell PWS MO4010137 | 533 | 0 | 0 | 0 | 1.6 ppb |
| Arbyrd PWS MO4010022 | 490 | 0 | 0 | 0 | 1.2 ppb |
| Limestone Utility TN0000797 | 308 | 0 | 0 | 0 | 4.6 ppb |
ZIP reports in Dunklin 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: 63880.
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.