West Harris County Regional Water Authority (WHCRWA)

North Fort Bend Water Authority (NFBWA)

Central Harris County Regional Water Authority (CHCRWA)

City of Houston Public Works (COH)

Coastal Water Authority (CWA)

Fort Bend County Drainage District (FBCDD)

Fort Bend Subsidence District (FBSD)

Harris County Engineering Department (HCED)

Harris County Flood Control District (HCFCD)

Harris-Galveston Subsidence District (HGSD)

Northeast Water Purification Plant (NEWPP)

North Harris County Regional Water Authority (NHCRWA)

Texas Commission on Environmental Quality (TCEQ)

Texas Water Development Board (TWDB)