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HB 3818

Relating to the extension of groundwater reduction target years established by the Harris-Galveston Subsidence District.

89th Legislature (2025) Introduced by Tom Oliverson

HB 3818 delays Harris-Galveston Subsidence District's groundwater reduction compliance deadlines, extending transition timelines for Southeast Texas water supply management.

Referred to Natural Resources
#harris-galvestonsubsidencedistrict(d0566) #specialdistricts&authorities--groundwaterconservedist.(i0013)
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Bill Summary · HB 3818

Legislative bill overview

HB 3818 would extend the timeline for groundwater reduction targets previously established by the Harris-Galveston Subsidence District (HGSD), a regional water authority serving the Houston metropolitan area. The bill allows the district to delay when it must achieve mandated decreases in groundwater pumping. This extends compliance deadlines that were set in earlier legislation governing the district's water management obligations.

Why is this important

The Harris-Galveston region has experienced significant land subsidence caused by excessive groundwater extraction, leading to increased flood risk and infrastructure damage. Groundwater reduction targets are meant to slow this subsidence by forcing a transition away from groundwater toward surface water sources. Extending these targets directly impacts how quickly the region must address this geological hazard and affects water supply planning for millions of residents in Southeast Texas.

Potential points of contention

  • Environmental concerns: Extending reduction targets delays addressing subsidence, potentially increasing long-term flood damage and strain on aquifers in an already subsidence-prone region
  • Water supply trade-offs: Industries and municipalities relying on cheaper groundwater gain more time to adapt, but this may defer necessary investment in alternative water infrastructure like surface water systems
  • Regional equity: Different water users (agriculture, industry, municipalities) may benefit differently from extended timelines, raising fairness questions about burden-sharing in compliance

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

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