Lake Ralph Hall has received widespread public support. The additional water supply from the lake will help this region avoid a water shortage in about 25 years. It will also bring economic benefits to Denton, Collin and Fannin Counties, as well as environmental benefits for the North Sulphur River.
- Argyle Water Supply Corporation
- City of Bonham
- City of Celina
- Collin County Commissioners Court
- City of Corinth
- Denton County Judge Mary Horn
- Denton County Fresh Water Supply District No. 1A
- Denton County Fresh Water Supply District No. 7
- Denton County Fresh Water Supply District No. 8A
- Denton County Fresh Water Supply District No. 8B
- Denton County Fresh Water Supply District No. 9
- Denton County Fresh Water Supply District No. 10
- Denton County Fresh Water Supply District No. 11A
- Denton County Fresh Water Supply District No. 11B
- Fannindel Independent School District
- Greater Dallas Chamber of Commerce
- Town of Hickory Creek
- City of Highland Village
- City of Honey Grove
- City of Irving
- City of Justin
- City of Krum
- City of Ladonia
- Lake Cities Municipal Utility Authority
- City of Lake Dallas
- City of Leonard
- City of Lewisville
- Mustang Special Utility District
- Town of Ponder
- City of Sanger
- City of Shady Shores
