| Business | Phone |
| Klamath Falls Utilities Dept 226 S 5th St, Klamath Falls 97601 | (541) 883-5366 |
| Klamath Falls Water Dept 226 S 5th St, Klamath Falls 97601 | (541) 883-5355 |
| Klamath Falls Water Dept 500 Klamath Ave, Klamath Falls 97601 | (541) 883-5355 |
| Utilities Water & Sewer Dept 226 S 5th St, Klamath Falls 97601 | (541) 883-5301 |