Angelina and Nacogdoches WCID No. 1
Angelina and Neches River Authority
Athens
Athens Municipal Water Authority
Beaumont
Bridge City
Carthage
Center
Craft-Turney Water Supply Corporation
Four Pines Water Supply Corporation
G-M Water Supply Corporation
Grapeland
Groves
Hemphill
Henderson
Houston County WCID No. 1
Jacksonville
Jasper
Kilgore
Kountze
Lake Livingston Water Supply Corporation
Lindale
Lindale Rural Water Supply Corporation
Lower Neches Valley Authority
Lufkin
Lumberton Municipal Utility District
Mauriceville Municipal Utility District
Nacogdoches
Nederland
Orange
Orange County WCID No. 1
Palestine
Pineland
Port Arthur
Port Neches
Rusk
Sabine River Authority
San Augustine
Silsbee
Slocum Water Supply Corporation
South Sabine Water Supply Corporation
Southern Utilities Company
Tyler