Johnson County, Iowa — public water systems
125 active public water systems serve Johnson County, reporting 173K people served.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
125
Population served
173K
Community systems
74
Groundwater share
98.4%
Water systems in Johnson County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Iowa City Water Department | Johnson | 68,753 | Community | Surface water |
| 2 | University Water System | Johnson | 26,684 | Community | Surface water |
| 3 | North Liberty Water Supply | Johnson | 23,276 | Community | Groundwater |
| 4 | Coralville Muni Water System | Johnson | 22,318 | Community | Groundwater |
| 5 | Tiffin Water Supply | Johnson | 7,577 | Community | Groundwater |
| 6 | Solon Water Dept | Johnson | 3,018 | Community | Groundwater |
| 7 | Lone Tree Muni Water System | Johnson | 1,357 | Community | Groundwater |
| 8 | Lake Ridge, Incorporated | Johnson | 1,300 | Community | Groundwater |
| 9 | F W Kent Park | Johnson | 1,169 | Transient non-community | Groundwater |
| 10 | Modern Manor, Inc. | Johnson | 915 | Community | Groundwater |
| 11 | Hills Water Supply | Johnson | 863 | Community | Groundwater |
| 12 | Coralville Lake-West Overlook | Johnson | 861 | Transient non-community | Groundwater |
| 13 | Western Hills (Mobile) Estates | Johnson | 760 | Community | Groundwater |
| 14 | Oxford Water Supply | Johnson | 722 | Community | Groundwater |
| 15 | Coralville Lake-Sugar Bottom | Johnson | 689 | Transient non-community | Groundwater |
| 16 | Cedar Ridge Vineyards | Johnson | 470 | Transient non-community | Groundwater |
| 17 | Oakdale Hospital Water System | Johnson | 450 | Non-transient non-community | Groundwater |
| 18 | Shueyville United Methodist Church | Johnson | 410 | Non-transient non-community | Groundwater |
| 19 | Gateway Development | Johnson | 400 | Non-transient non-community | Groundwater |
| 20 | River Heights Property Owners Assoc. | Johnson | 390 | Community | Groundwater |
| 21 | Fox Ridge Farm | Johnson | 374 | Transient non-community | Groundwater |
| 22 | Coralville Lake Terrace | Johnson | 340 | Community | Groundwater |
| 23 | Sunrise Village Mobile Home Pk | Johnson | 340 | Community | Groundwater |
| 24 | Lake Crest Manor Hoa #3 | Johnson | 300 | Community | Groundwater |
| 25 | Parkview Mobile Home Court | Johnson | 300 | Community | Groundwater |
| 26 | Iowa City MHP LLC | Johnson | 280 | Community | Groundwater |
| 27 | Coralville Lake-Ad Bldg | Johnson | 275 | Transient non-community | Groundwater |
| 28 | Kalona Creamery, LLC | Johnson | 262 | Transient non-community | Groundwater |
| 29 | 380bp Swisher | Johnson | 258 | Transient non-community | Groundwater |
| 30 | Sutliff Holdings LLC | Johnson | 250 | Transient non-community | Purchased groundwater |
| 31 | Iowa City Regency Mobile Home Community | Johnson | 225 | Community | Groundwater |
| 32 | Johnson County Ag Association | Johnson | 218 | Transient non-community | Groundwater |
| 33 | Cottage Reserve Corporation | Johnson | 198 | Community | Groundwater |
| 34 | Sharon Bethel Church/School | Johnson | 195 | Non-transient non-community | Groundwater |
| 35 | North Twin View Heights | Johnson | 180 | Community | Groundwater |
| 36 | Iadu Clear MHP LLC | Johnson | 173 | Community | Purchased groundwater |
| 37 | Coralville Lake Manor | Johnson | 170 | Community | Groundwater |
| 38 | Royal Oaks Subdivision | Johnson | 163 | Community | Groundwater |
| 39 | Spring Valley Homeowners Assn. | Johnson | 163 | Community | Groundwater |
| 40 | Plum Creek Boutique Dance Mor | Johnson | 160 | Transient non-community | Groundwater |
| 41 | Twin View Heights | Johnson | 155 | Community | Groundwater |
| 42 | Prairie View Estates Assoc Johnson Cnty | Johnson | 155 | Community | Groundwater |
| 43 | Coralville Lake-Sandy Beach | Johnson | 147 | Transient non-community | Groundwater |
| 44 | Forestgate Subdivision | Johnson | 140 | Community | Groundwater |
| 45 | Lake Vista Subdivision | Johnson | 134 | Community | Groundwater |
| 46 | Pleasant Valley Golf Course | Johnson | 130 | Transient non-community | Groundwater |
| 47 | Lakeview Knolls Homeowners Assn. | Johnson | 122 | Community | Groundwater |
| 48 | Westcott Heights Hoa Part Three | Johnson | 120 | Community | Groundwater |
| 49 | Lake Woods Hoa | Johnson | 114 | Community | Groundwater |
| 50 | Dans Overhead Doors | Johnson | 110 | Non-transient non-community | Groundwater |