Regional rural water systems provide quality tap water to many homesteads, farms, towns, cities and industries of South Dakota. Recognizing the need to develop and sustain these regional water systems, these stakeholders have contributed funds for projects of the Regional Water System Research Consortium.
Rural Water Systems
| Aurora Brule RWS | Grant-Roberts RWS | Perkins County RWS |
| BDM RWS | Hanson RWS | Randall CWD |
| Big Sioux CWS | Kingbrook RWS | Sioux RWS |
| Brookings-Deuel RWS | Lewis & Clark RWS | TM RWD |
| Clark RWS | Lincoln County RWS | WEB WDD |
| Clay RWS | Mid-Dakota RWS | West River-Lyman Jones RWS |
| Davison RWS | Minnehaha CWC |
South Dakota Association of Rural Water Systems
Water Development Districts
| Central Plains WDD | South Central WDD |
| East Dakota WDD | Vermillion Basin WDD |
| James River WDD |
Other Funding Sources
South Dakota Department of Water and Natural Resources
US Department of Transportation/Pipeline and Hazardous Materials Safety Administration