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Commissioner Pct 1 Hot Topics

Posted on: March 16, 2023

Why the county needs a groundwater conservation district

Brushy Creek below a bank of rocks and trees along the Brushy Creek Trail.

The Legislature gave authority to groundwater conservation districts to develop scientific information on the region of an aquifer within that district and to develop a plan, reviewed annually and updated as necessary, to protect that aquifer. The science is then applied to requests for new drilling permits with projected water demands. It helps determine the impacts of additional draws on the existing availability of groundwater, and the groundwater conservation district is granted the power to say “no” to new applications if it is deemed adverse conditions would result. This is an enormous benefit to the local homeowners, ranchers, farmers and businesses. It is a scientifically based power unavailable to county government in managing growth. Ultimately, the need is to protect the groundwater resources while protecting the economic viability for all groundwater users.

Currently in Williamson County, our western area is in a state of moderate drought while the eastern region is abnormally dry, according to the Texas Water Development Board. But to our south and west, the counties of Hays, Comal, Kendall, Blanco, Bandera and Medina are suffering under exceptional drought conditions. The majority of our western region wells in Wilco are tapped into the Trinity Aquifer. It doesn’t recharge at nearly the rate that the Edwards Aquifer — also serving part of Williamson County — does, but at only 4% to 5% of the rainfall. In times of drought, that’s dire levels for any sustainability. One former elected official stated that the Trinity Aquifer is unreliable, then he added, “No, in times of drought, the Trinity is very reliable in going dry.” 

We are oversubscribed to groundwater in Wilco west of Interstate 35. We can’t conserve our way out of this, but we really need a conservation district to understand and manage its use.

So why was Clearwater Underground Conservation District of Bell County sought to help regulate and conserve groundwater by the rural homeowners in Williamson County? First, water knows no property or county lines. The groundwater is flowing into Williamson County due to the underground structures. Clearwater has a track record of sound scientific study and well-reasoned policies and, most importantly, is very effective in protecting the aquifer to the best of human capacity at a very low annual taxation rate. Clearwater could immediately study this western side of the county and develop and implement a master plan in short order. 

So many new groundwater conservation districts fail to develop effective programs or take an enormous amount of time to get off the ground, train directors and put conservation plans in place. Clearwater is already established and knowledgeable, so joining this district would reduce or eliminate those delays.

Williamson and Travis counties are surrounded by groundwater conservation districts: Clearwater WCD north of us in Bell County; Post Oak Savannah GCD to the east in Milam County; Central Texas GCD west in Burnet County; Lost Pines GCD south of Travis in Caldwell County; Hays Trinity GCD SE of Travis County; and Blanco Pedernales GCD west of Travis County. We have over 700,000 residents now in Wilco with an average of 103 people moving here per day. Travis and Williamson counties are islands in the middle of regional water conservation efforts. It is past time for the citizens of Williamson County to implement a groundwater conservation district.

https://www.statesman.com/story/news/local/round-rock/2023/03/10/williamson-commissioner-cook-why-county-needs-a-groundwater-conservation-district/69994136007/

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