Hancock County, Iowa
18 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Crystal Lake Water Supply | 255 | Groundwater | 3 | 3 |
| St John Lutheran Church | 98 | Groundwater | 23 | 2 |
| Hancock County Fairgrounds | 27 | Groundwater | 12 | 2 |
| Peace Reformed Church | 105 | Groundwater | 28 | 0 |
| Woden Water Supply | 188 | Groundwater | 20 | 0 |
| Klemme Water Works | 441 | Groundwater | 6 | 0 |
| Britt Water Works | 2,064 | Groundwater | 5 | 0 |
| Hillside Golf | 62 | Groundwater | 5 | 0 |
| New Horizon Coop/opal Foods - Britt | 30 | Groundwater | 5 | 0 |
| Corwith Water Supply | 266 | Groundwater | 3 | 0 |
| Goodell Water Supply | 140 | Groundwater | 3 | 0 |
| Michael Foods - Britt | 110 | Groundwater | 3 | 0 |
| Pilot Knob Lutheran Church | 60 | Groundwater | 1 | 0 |
| Garner Water Works | 3,065 | Groundwater | 0 | 0 |
| Kanawha Water Supply | 658 | Groundwater | 0 | 0 |
| Hawkeye Pride Egg Farm Llp | 100 | Groundwater | 0 | 0 |
| Slippery Elm Golf Course | 50 | Groundwater | 0 | 0 |
| Eldred Sherwood Park | 45 | Groundwater | 0 | 0 |