County · Nebraska
Johnson County, Nebraska: drinking water records
This overview covers 5 ZIP codes and 6 community water systems in Johnson 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 |
|---|---|---|---|---|---|
| Cook, Village of NE3109701 | 335 | 0 | 0 | 1 | 10.4 ppb |
| Elk Creek, Village of NE3109703 | 80 | 0 | 0 | 2 | 2.9 ppb |
| Tecumseh, City of NE3109705 | 2,438 | 0 | 0 | 0 | 1 ppb |
| Johnson Co Rwd 1 NE3109704 | 977 | 0 | 0 | 0 | 1.8 ppb |
| Sterling, Village of NE3109706 | 502 | 0 | 0 | 0 | 4.5 ppb |
| Crab Orchard, Village of NE3109702 | 37 | 0 | 0 | 0 | 8.6 ppb |
ZIP reports in Johnson 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.