| Business | Phone |
| Water Emergency 1001 N Poplar St, Eureka 67045 | (620) 583-5222 |
| Eureka City Adm 309 N Oak St, Eureka 67045 | (620) 583-6140 |
| Eureka City Lake Caretaker Rr 2 Box 48, Eureka 67045 | (620) 583-5858 |
| Eureka City Vehicle Mntnc 400 W River St, Eureka 67045 | (620) 583-6346 |
| Eureka Clerk & Water Billing 309 N Oak St, Eureka 67045 | (620) 583-6511 |
| Eureka Street Maintenance 400 W River St, Eureka 67045 | (620) 583-5195 |
| Eureka Water Plant 1001 N Poplar St, Eureka 67045 | (620) 583-6193 |