Water Systems Serving Zip Code 54421
Not sure which system is yours? Most residents in ZIP 54421 are likely served by Colby Waterworks (population served: 1,829). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
4 active water systems have this ZIP in EPA records.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Owen Mennonite Church & School | 145 | Groundwater | 18 | 2 |
| St Paul Lutheran Church | 25 | Groundwater | 1 | 1 |
| Colby Waterworks | 1,829 | Groundwater | 0 | 0 |
| Norms Buckhorn Bar | 60 | Groundwater | 0 | 0 |