Fort Bend County Municipal Utility District 23 and Groundwater

Jul 12, 2021

The drinking water supplied to the residents of Fort Bend County Municipal Utility District No. 23 (FBCMUD 23) is groundwater pumped from the Evangeline Aquifer using water wells. Groundwater is “the water found underground in the cracks and spaces in soil, sand, and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.”

The Texas Commission on Environmental Quality (TCEQ) regulates groundwater quality for FBCMUD 23. All water that is distributed to residents of FBCMUD 23 undergoes a process of treatment to ensure its potability and acceptability for use. For more information, review the Drinking Water Quality Report.

The Fort Bend Subsidence District regulates the withdrawal of groundwater within Fort Bend County to prevent subsidence that contributes to flooding and infrastructure damages. Currently, total water use in Fort Bend County comprises of about 50% groundwater and 50% alternative water, which is primarily sourced through surface water and wastewater reuse. (

More info on groundwater:

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