County · Nebraska
Cass County, Nebraska: drinking water records
This overview covers 15 ZIP codes and 24 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 |
|---|---|---|---|---|---|
| Plattsmouth, City of NE3102501 | 6,680 | 60 | 2 | 0 | 1.9 ppb |
| Beaver Lake Association INC NE3102502 | 3,144 | 120 | 0 | 0 | 1.4 ppb |
| Cass Co Rwd 2 NE3120304 | 1,860 | 0 | 0 | 1 | 4.9 ppb |
| Weeping Water, City of NE3102506 | 1,107 | 0 | 0 | 1 | 0.7 ppb |
| Elmwood, Village of NE3102516 | 698 | 0 | 0 | 2 | 3.3 ppb |
| Greenwood, Village of NE3102517 | 600 | 0 | 0 | 1 | 0 ppb |
| Alvo, Village of NE3102508 | 142 | 0 | 0 | 7 | 6.8 ppb |
| Cass Co Rwd 1 NE3102521 | 2,958 | 0 | 0 | 0 | 2.8 ppb |
| Cass Co Sid 5 - Buccaneer Bay NE3120035 | 1,417 | 0 | 0 | 0 | 0.6 ppb |
| Louisville, City of NE3102512 | 1,400 | 0 | 0 | 0 | 3.3 ppb |
| Eagle, Village of NE3102510 | 1,065 | 0 | 0 | 0 | 2 ppb |
| Otoe Co. Rwd #3 - Louisville NE3121382 | 630 | 0 | 0 | 0 | 3 ppb |
| Murray, Village of NE3102514 | 480 | 0 | 0 | 0 | 0.5 ppb |
| Cass Co Sid #1 - Lake Wa-Con-Da Village NE3102519 | 420 | 0 | 0 | 0 | 1.7 ppb |
| Murdock, Village of NE3102511 | 275 | 0 | 0 | 0 | 3.4 ppb |
| Avoca, Village of NE3102507 | 254 | 0 | 0 | 0 | 2.9 ppb |
| Union, Village of NE3102505 | 196 | 0 | 0 | 0 | 2.4 ppb |
| Manley, Village of NE3102513 | 195 | 0 | 0 | 0 | 1.4 ppb |
| Nehawka, Village of NE3102515 | 175 | 0 | 0 | 0 | 0.7 ppb |
| Eagle Lake Subdivision NE3102509 | 104 | 0 | 0 | 0 | 9.3 ppb |
| Eagle Way MHC LLC NE3121485 | 99 | 0 | 0 | 0 | 1.6 ppb |
| Cass Co Sid 7 - Swallow Hills NE3120977 | 93 | 0 | 0 | 0 | 2.9 ppb |
| Middle Island Lake Association NE3120623 | 92 | 0 | 0 | 0 | 0 ppb |
| Raven'S Nest NE3121381 | 70 | 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.