| Business | Phone |
| Missouri American Water Co 1901 Montserrat Park Rd, Warrensburg 64093 | (660) 747-5730 |
| Missouri-American Water Co 1705 Montserrat Park Rd, Warrensburg 64093 | (660) 747-3191 |
| Public Water Supply 106 Se 421st Rd, Warrensburg 64093 | (660) 429-2494 |
| Public Water Supply 4 Nw 00 Highway, Warrensburg 64093 | (660) 429-2231 |