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HB 4135

Relating to the regulation of stormwater management by certain counties.

89th Legislature (2025) Introduced by Erin Zwiener

HB 4135 adjusts stormwater management regulatory authority for specific Texas counties, affecting flood control and development regulation with unclear scope pending committee review.

Left pending in committee
#environment--water(i0320) #hillcountryprioritygroundwatermanagementarea(d94kr) #specialdistricts&authorities--groundwaterconservedist.(i0013)
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Bill Summary · HB 4135

Legislative bill overview

HB 4135 modifies how certain Texas counties regulate stormwater management, likely expanding or clarifying their regulatory authority. The bill has passed initial procedural steps and is currently under committee review in the Natural Resources Committee as of April 2025.

Why is this important

Stormwater management directly affects flood prevention, water quality, and development patterns in rapidly growing counties. Changes to regulatory authority can impact how counties respond to severe weather events, control urban runoff pollution, and manage infrastructure costs—issues that affect public safety and property values.

Potential points of contention

  • County vs. state authority: Questions about whether counties should have expanded independent regulatory power or whether state oversight should remain primary
  • Development impact: How stormwater regulations affect construction costs, housing affordability, and economic development in affected counties
  • Implementation burden: Whether new or modified requirements create unfunded mandates on county budgets and staff capacity
  • Geographic specificity: Why certain counties are targeted—whether criteria are equitable or create regulatory inconsistencies across the state

Compiled from official sources — confirm details with the bill’s official record.

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