Landowners planning to subdivide property in western Wise County will soon need at least 5 acres, not 2, before they can drill a new water well. The Upper Trinity Groundwater Conservation District board voted unanimously to approve the change, along with a package of other groundwater protection rules, in areas where the underlying aquifer runs 60 feet thick or less.
The new tract-size requirement takes effect January 1, 2027, and applies only to property subdivided after December 31, according to Wise County Messenger. Property that has already been platted is not automatically changed by the new requirement, and existing lots under 2 acres retain their well rights unless property boundaries are altered, per the Upper Trinity Groundwater Conservation District. The tighter rule covers much of western Wise County, including large portions of precincts 2 and 4, an area that takes in communities such as Alvord, Chico, Paradise, Boonsville, Boyd, Bridgeport, Runaway Bay, Wizard Wells, Willow Point, Balsora and Lucky Ridge, along with the Lake Bridgeport, Catlett Creek and Salt Creek areas near Highways 114, 199, 287 and 380.
Many Wise County residents depend entirely on private wells for household water, and county officials say groundwater availability has become one of the most important issues facing the western part of the county. Doug Shaw, general manager of the groundwater district, addressed the Wise County Commissioners Court in July, explaining the proposed rule changes and the reasoning behind them, the station notes.
Why the Aquifer Can't Keep Up
The math behind the rule is stark. Wise County must shift 1.64 million gallons per day of groundwater demand to surface water by 2030, and 16 million gallons per day by 2050, to avoid severe aquifer depletion, according to a 2023 engineering study by Freese & Nichols cited by the Wise County Messenger. The county's population is projected to reach 138,000 residents by 2030 and as high as 485,300 by 2080, per the same report.
The strain isn't hypothetical. The Trinity Aquifer's freshwater saturated thickness averages roughly 600 feet across North Texas, but decades of heavy municipal and domestic pumping have driven historic water-level declines ranging from 350 feet to more than 1,000 feet in some areas, according to the Texas Water Development Board. In the thin western Wise County zones targeted by the new rule, the aquifer runs just 60 feet thick or less, leaving little buffer before wells run dry.
A County That Runs on Private Wells
Wise County consistently ranks among the top five counties in Texas for new water well completions each year, with about 90 percent of those wells drilled for domestic household use, statistics Shaw shared during state legislative testimony show. Wise County officials have said development decisions made today can affect neighboring wells and the groundwater supply for generations to come.
The pressure isn't limited to Wise County. Neighboring Parker County, which falls under the same groundwater district, has led all Texas counties in new domestic well completions since 2005, averaging roughly 500 new wells drilled each year as exurban housing growth outpaces city water systems, according to a comparison from The Agency Dallas. Escalating commercial development, including proposed large-scale data center facilities along county lines, has also fueled public demand for the district to strictly regulate high-volume commercial pumping, as reported by the Weatherford News.
Broader Rule Package and Regional Water Plans
The 5-acre tract requirement was part of a larger set of changes the district board approved covering high-volume wells, groundwater studies, well spacing and other protections. Ahead of adopting those rules, the district had also proposed a maximum annual pumping allocation cap of 250,000 gallons per acre for the Trinity group of aquifers, discussed during an August 27 public hearing, along with separate caps for the Cross Timbers formation, according to a notice reviewed by Citizen Portal.
The district itself, created by the Texas Legislature in 2007 under Senate Bill 1983, manages groundwater across Hood, Montague, Parker and Wise counties under Chapter 36 of the Texas Water Code, a structure intended to keep groundwater control local rather than ceding it to the state. Standard baseline rules previously required private wells to sit on at least 2 acres, with a 50-foot setback from property lines and a 150-foot distance from other registered wells — regulations that remain the norm outside the newly restricted zones.
Separately, Wise County officials pursued state legislation in early 2025 to create the Wise Regional Water District, a non-taxing authority modeled on Denton County's Upper Trinity Regional Water District and designed to secure surface water rights and build regional pipeline infrastructure. Wise County also enforces an interlocal agreement with the groundwater district requiring developers to complete Groundwater Availability Certification studies before new residential subdivision plats can be approved, ensuring water availability is proven at the platting stage. District rules, related documents, and an interactive tract-size map showing exactly where the new 5-acre requirement applies are available on the Upper Trinity Groundwater Conservation District website.
