County · Missouri
Cass County, Missouri: drinking water records
This overview covers 13 ZIP codes and 33 community water systems in Cass 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 |
|---|---|---|---|---|---|
| Kansas City PWS MO1010415 | 553,295 | 215 | 1 | 1 | 2.1 ppb |
| Belton PWS MO1010061 | 23,598 | 120 | 1 | 0 | 0 ppb |
| Raymore PWS MO1010675 | 21,517 | 240 | 0 | 0 | 0 ppb |
| Harrisonville PWS MO1010349 | 10,019 | 120 | 0 | 0 | 2.4 ppb |
| Pleasant Hill PWS MO1010649 | 8,262 | 240 | 1 | 0 | 1.5 ppb |
| Peculiar PWS MO1010633 | 6,226 | 120 | 1 | 0 | 0 ppb |
| Cass County Pwsd 9 MO1024118 | 6,063 | 60 | 0 | 0 | 1.0 ppb |
| Cass County Pwsd 2 MO1024114 | 4,650 | 120 | 1 | 0 | 0 ppb |
| Cass County Pwsd 7 MO1024111 | 4,143 | 120 | 1 | 0 | 2.9 ppb |
| Mo American Garden City MO1010301 | 1,590 | 0 | 0 | 22 | 0 ppb |
| Archie PWS MO1010024 | 1,300 | 0 | 0 | 13 | 0 ppb |
| Cleveland PWS MO1010174 | 690 | 0 | 0 | 8 | 1.8 ppb |
| Freeman PWS MO1010292 | 482 | 0 | 0 | 1 | 0 ppb |
| East Lynne PWS MO1010233 | 400 | 0 | 0 | 1 | 0.7 ppb |
| Cass County Pwsd 3 MO1024115 | 3,225 | 0 | 0 | 0 | 0 ppb |
| Cass County Pwsd 10 MO1024110 | 3,068 | 0 | 0 | 0 | 0 ppb |
| Cass County Pwsd 5 MO1024117 | 2,875 | 0 | 0 | 0 | 1.7 ppb |
| Cass County Pwsd 6 MO1024112 | 2,575 | 0 | 0 | 0 | 1.1 ppb |
| Cass County Pwsd 11 MO1021082 | 1,948 | 0 | 0 | 0 | 1.4 ppb |
| Cass County Pwsd 4 MO1024116 | 1,840 | 0 | 0 | 0 | 4.5 ppb |
| Lake Winnebago PWS MO1010880 | 1,600 | 0 | 0 | 0 | 2.0 ppb |
| Springdale Lake Estates MO1048081 | 1,500 | 0 | 0 | 0 | 0 ppb |
| Cass Bates County Pwsd 12 MO1021098 | 1,335 | 0 | 0 | 0 | 0 ppb |
| Nw Cass County Water Resource District MO1036172 | 1,138 | 0 | 0 | 0 | 0 ppb |
| Drexel PWS MO1010225 | 965 | 0 | 0 | 0 | 1.2 ppb |
ZIP reports in Cass 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.