HB 145 would tighten Texas platting requirements when a subdivision plans to use groundwater beneath the land as its water source. For both municipal and county plat approvals, the bill requires the plat application to include a certification prepared by a licensed engineer or geoscientist stating that adequate groundwater is available, and that the certification complies with Texas Commission on Environmental Quality (TCEQ) rules. It also directs local authorities to disapprove a plat application that does not meet these requirements.
The bill further authorizes TCEQ to adopt rules defining the form and content of the certification and what counts as credible evidence of groundwater availability. In addition, it amends Water Code provisions governing counties in priority groundwater management areas, clarifying that commissioners courts may adopt water availability requirements in platted areas when needed to keep projected water use within the safe sustainable yield of the county’s water supply. The changes apply only to plat applications filed on or after the bill’s effective date, and TCEQ must adopt the required rules by September 1, 2026.
Impact
HB 145 would amend Local Government Code Sections 212.0101 and 232.0032 and Water Code Section 35.019 to make groundwater-availability documentation a mandatory part of certain subdivision plat applications. Municipal authorities and county commissioners courts would be required to reject noncompliant plats, increasing local oversight of development in areas dependent on groundwater. The bill also expands TCEQ’s rulemaking role by requiring standards for certification and credible evidence, which could affect developers, landowners, engineers, geoscientists, and local permitting authorities, especially in areas facing water-supply constraints.
Sentiment
No committee transcript or vote record is provided, so there is no direct evidence of debate or partisan division in the available materials. Based on the bill text, the measure appears to reflect a policy preference for stronger water-supply verification before subdivision approval, suggesting a generally conservation- and planning-oriented approach. The absence of recorded opposition or amendments in the provided context means the overall sentiment cannot be assessed beyond the bill’s apparent regulatory focus.
Contention
The main potential point of contention is the added burden on subdivision applicants to prove groundwater adequacy before plat approval, which may raise costs, delay development, or create uncertainty about what evidence is sufficient. Developers and property owners may view the requirement as a hurdle, while local governments, groundwater managers, and water-conservation advocates may support it as a safeguard against overdevelopment and water shortages. Another likely issue is the breadth of TCEQ’s discretion to define “credible evidence” and the certification format, since those rules will determine how strict the new requirements become.
Relating to certain requirements related to water availability, including requirements that certain plats for the subdivision of land include evidence of groundwater supply.
Relating to groundwater requirements for municipal and county approval of subdivision plats and the powers and duties of groundwater conservation districts.
Relating to certain powers, limitations, and duties of a municipality and county in the extraterritorial jurisdiction of the municipality and the unincorporated area of the county.