| Business | Phone |
| Wilder Irrigation District 709 Cleveland Blvd, Caldwell 83605 | (208) 459-3421 |
| Pioneer Irrigation District 3700 S Lake Ave, Caldwell 83605 | (208) 459-3617 |
| Farmers Cooperative Ditch Co 21751 Old Highway 30, Caldwell 83607 | (208) 459-9102 |
| Boise Project Board Of Control 17802 Lowell Rd, Caldwell 83607 | (208) 459-3981 |
| Caldwell Irrigation Lateral 1616 E Chicago St, Caldwell 83605 | (208) 454-3477 |
| Canyon Hill Irrigation Dist 2505 Jackson St, Caldwell 83605 | (208) 459-8542 |