We found 81 public water systems in Dickinson county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Gull Point State Park | County of Dickinson | 105,965 | 0 | 0 |
| Lazy Lagoon Resort | County of Dickinson | 40,000 | 0 | 0 |
| Camp Foster | County of Dickinson | 15,000 | 0 | 0 |
| Lake-vu Motel | County of Dickinson | 10,000 | 0 | 0 |
| Silver Lake Co. Creek | Lake Park | 10,000 | 0 | 0 |
| Gibson's Sporting Goods | County of Dickinson | 10,000 | 0 | 0 |
| Crows Nest Camp Grounds | County of Dickinson | 10,000 | 0 | 0 |
| Spirit Lake Waterworks | Spirit Lake | 5,578 | 0 | 3 |
| Iowa Lakes Regional Water - Lakes Area | Okoboji | 4,762 | 0 | 4 |
| Milford Municipal Utilities | Milford | 3,008 | 0 | 8 |
| Vick's Corner | County of Dickinson | 2,500 | 0 | 0 |
| Shuck's Bait Shop & Gas Statio | County of Dickinson | 2,000 | 0 | 0 |
| Osceola Rural Water System-north Okoboji | West Okoboji | 1,177 | 0 | 0 |
| Arnolds Park Water Department | Arnolds Park | 1,133 | 0 | 0 |
| Lake Park Municipal Utilities | Lake Park | 1,025 | 0 | 10 |
| Pikes Point State Park | County of Dickinson | 1,000 | 0 | 0 |
| Okoboji Water Supply | Okoboji | 812 | 0 | 0 |
| Orleans Water Supply | County of Dickinson | 608 | 0 | 0 |
| Wahpeton Water Supply | Wahpeton | 438 | 0 | 54 |
| West Okoboji Harbor Association | Spirit Lake | 390 | 0 | 9 |
| Terril Municipal Waterworks | Terril | 371 | 0 | 6 |
| Okoboji View Golf Course | Spirit Lake | 300 | 0 | 12 |
| West Okoboji | West Okoboji | 289 | 0 | 5 |
| Cuttys Okoboji Resort Club | Spirit Lake | 285 | 0 | 7 |
| Chalstroms Beach Of Okoboji | County of Dickinson | 250 | 0 | 0 |
| Westgate Service Station | County of Dickinson | 250 | 0 | 0 |
| Village West | County of Dickinson | 250 | 0 | 0 |
| Smith Mobile Park | County of Dickinson | 230 | 0 | 0 |
| Crescent Beach Resort | County of Dickinson | 200 | 0 | 0 |
| Anglers Bay Resort | Spirit Lake | 150 | 0 | 8 |
| Cafe Superior | County of Dickinson | 150 | 0 | 0 |
| Camp Foster Ymca Inc. | Spirit Lake | 150 | 0 | 0 |
| Black Coach Co Inc | County of Dickinson | 141 | 0 | 0 |
| Superior Water System | Superior | 135 | 0 | 14 |
| Lutheran Lakeside Camp Association | County of Dickinson | 128 | 0 | 0 |
| Woodleys Lakeside Mhp | County of Dickinson | 120 | 0 | 0 |
| Manhattan Beach Mhp | County of Dickinson | 104 | 0 | 0 |
| Okoboji Camp Owners Cooperative | Spirit Lake | 103 | 0 | 0 |
| Henderson Veterinary Clinic | Spirit Lake | 100 | 0 | 0 |
| Arnold Grain And Fertilizer | County of Dickinson | 100 | 0 | 0 |
| Dek Electric Coop | County of Dickinson | 100 | 0 | 0 |
| Williams Pipe Line Co | County of Dickinson | 100 | 0 | 0 |
| Royal Oaks Court | County of Dickinson | 100 | 0 | 0 |
| Gerks Seasonal Mhp And Resort | County of Dickinson | 90 | 0 | 0 |
| Lake Park Country Club Drive | Lake Park | 84 | 0 | 0 |
| Harlan Beach Resort & Trailer Park | Spirit Lake | 80 | 0 | 0 |
| Beaches Resort Inc. | County of Dickinson | 73 | 0 | 0 |
| Treasure Village Inc | Milford | 70 | 0 | 0 |
| Sand Bar Beach Resort | Spirit Lake | 63 | 0 | 0 |
| Woodlyn Hills Golf Course | Milford | 54 | 0 | 0 |
| Okoboji Yacht Club,james Power | Spirit Lake | 51 | 0 | 0 |
| Juhl & San Wholesale Fruitmark | Superior | 50 | 0 | 0 |
| Farmer's Coop Elevator | County of Dickinson | 50 | 0 | 0 |
| Emerson Bay State Park | County of Dickinson | 50 | 0 | 0 |
| Harlan Beach Resort Trailer Ct * | County of Dickinson | 50 | 0 | 0 |
| Superior Meat Locker | County of Dickinson | 50 | 0 | 0 |
| Manhattan Beach Mhp & Resort | County of Dickinson | 45 | 0 | 0 |
| Camp Okoboji | County of Dickinson | 44 | 0 | 0 |
| Cottage Junction Motel | County of Dickinson | 41 | 0 | 0 |
| Stub's Repair Shop | County of Dickinson | 40 | 0 | 0 |
| Hedge Row Resort | Spirit Lake | 37 | 0 | 0 |
| Royal Oaks | County of Dickinson | 35 | 0 | 0 |
| Horseshoe Bend-dickinson Consv | County of Dickinson | 32 | 0 | 0 |
| The Barn | County of Dickinson | 30 | 0 | 0 |
| Miniwakan State Access | County of Dickinson | 26 | 0 | 0 |
| Central Water System | Okoboji | 25 | 0 | 0 |
| Spuds Resort | County of Dickinson | 25 | 0 | 0 |
| Presb.camp/okoboji | County of Dickinson | 25 | 0 | 0 |
| Holiday Villa | County of Dickinson | 25 | 0 | 0 |
| United Methodist Camp | County of Dickinson | 25 | 0 | 0 |
| Fredericks Cafe | County of Dickinson | 25 | 0 | 0 |
| English's Arrowhead Resort | County of Dickinson | 25 | 0 | 0 |
| Narrows Cafe | County of Dickinson | 25 | 0 | 0 |
| Duke's Cabins | County of Dickinson | 25 | 0 | 0 |
| Okoboji Vu Golf Course | County of Dickinson | 25 | 0 | 0 |
| Silver Lake Country Club | County of Dickinson | 25 | 0 | 0 |
| Duke's Motel | County of Dickinson | 25 | 0 | 0 |
| Emerald Hills | County of Dickinson | 25 | 0 | 0 |
| YMCA CAMP FOSTER-OFFICE WELL | Spirit Lake | 25 | 0 | 0 |
| Lazy Lagoon Resort | County of Dickinson | 25 | 0 | 0 |
| Pioneer Beach Resort | County of Dickinson | 25 | 0 | 0 |