| Atlantic Light & Water Dept | 712-243-1395 | 15 W 3rd St | Atlantic | IA | 50022 |
| Berger Elmer Pump Service | 712-684-2923 | 401 Sumpter Ave | Coon Rapids | IA | 50058 |
| Cherokee County Rural Water | 712-225-6193 | RR 2 | Cherokee | IA | 51012 |
| Clay County Rural Water District | 712-262-8847 | 3121 W 4th St | Spencer | IA | 51301 |
| Coon Rapids Municipal Utilities | 712-684-2225 | 123 3rd Ave | Coon Rapids | IA | 50058 |
| Council Bluffs Water Works Office Credit Dept | 712-328-1006 | 2000 N 25th St | Council Bluffs | IA | 51501 |
| Culligan Water Conditioning | 712-852-4744 | 1118 Broadway St | Emmetsburg | IA | 50536 |
| Culligan Water Conditioning | 712-262-1696 | 15 W 17th St | Spencer | IA | 51301 |
| Kandiyohi Bottled Water Co | 712-262-1549 | 225 W 21st St | Spencer | IA | 51301 |
| Osceola County Rural Water System | 712-735-6795 | Main | May City | IA | 51349 |
| Page I Rural Water District | 712-542-3259 | 516 S 8th St | Clarinda | IA | 51632 |
| Rock Valley Rural Water District | 712-476-5246 | 1623 13th St | Rock Valley | IA | 51247 |
| Rogers Plumbing & Heating | 712-623-2895 | 101 W Elm | Red Oak | IA | 51566 |
| Rural Water Office | 712-653-2534 | Hwy 141 W | Manning | IA | 51455 |
| Vant Hul & Sons Well Drilling Co | 712-476-5647 | 2478 300th St | Rock Valley | IA | 51247 |
