County · Missouri
Caldwell County, Missouri: drinking water records
This overview covers 7 ZIP codes and 14 community water systems in Caldwell 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 |
|---|---|---|---|---|---|
| Ray County Cons Pwsd 2 MO1024511 | 9,360 | 60 | 0 | 0 | 3.5 ppb |
| Clinton County Pwsd 3 MO1024155 | 3,722 | 240 | 1 | 0 | 2.3 ppb |
| Hamilton PWS MO1010342 | 1,813 | 0 | 0 | 2 | 0 ppb |
| Braymer PWS MO1010098 | 878 | 0 | 0 | 5 | 0 ppb |
| Caldwell County Pwsd 2 MO1024079 | 695 | 0 | 0 | 8 | 0 ppb |
| Cs Peeples Valley Water Company AZ0413078 | 658 | 0 | 0 | 1 | 0 ppb |
| Cs Lake Verde Water Company AZ0413038 | 169 | 0 | 0 | 4 | 0 ppb |
| Caldwell County Pwsd 3 MO1021318 | 1,452 | 0 | 0 | 0 | 0 ppb |
| Cs Oak Creek Public Service LLC AZ0413042 | 650 | 0 | 0 | 0 | 10 ppb |
| Polo PWS MO1010653 | 575 | 0 | 0 | 0 | 5.5 ppb |
| Caldwell County Pwsd 1 MO1024078 | 335 | 0 | 0 | 0 | 1.4 ppb |
| Breckenridge PWS MO1010099 | 333 | 0 | 0 | 0 | 10.8 ppb |
| Kingston PWS MO1010426 | 290 | 0 | 0 | 0 | 2.3 ppb |
| Great Northwest Wholesale Water Commiss MO1071603 | 25 | 0 | 0 | 0 | not reported |
ZIP reports in Caldwell 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.