Water & Sanitary Sewer Services
The Clark County Utilities Department was established by the Board of Clark County Commissioners in 1958 and provides water and sanitary sewer services to the following areas of Clark County and its surrounding counties.
| Center Point 70 | Water / Sewer |
| Crystal Lakes and Medway | Sewer |
| Green Meadows I | Water / Sewer |
| Green Meadows II | Water / Sewer |
| Lawrenceville | Water |
| Limecrest | Water / Sewer |
| Northridge | Water / Sewer |
| Park Layne | Water / Sewer |
| Parts of Greene County | Sewer |
| Parts of Miami County | Water |
| Parts of Village of Enon | Sewer |
| Rockway | Water |
| Village of Donnelsville | Sewer |
| West Enon | Sewer |