New! Request for Qualifications
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RFQ – Alternative Water Supply Feasibility Study in Northeast Harris County
The Harris-Galveston Subsidence District (HGSD) is seeking Statement of Qualifications from qualified professionals to engage in professional services agreements for the determination of [...]
HGSD Participates in Seawater Desalination Feasibility Study
On April 10, 2024, the Harris-Galveston Subsidence District Board of Directors approved participation in a multi-agency collaboration project to determine [...]
Annual Groundwater Report – Public Hearing on April 25, 2024
The Harris-Galveston Subsidence District will hold a public hearing to present the 2023 Annual Groundwater Report on Thursday, April 25, 2024, at 9:00 [...]
2022 GNSS Survey Results
Since 1978, the Harris-Galveston Subsidence District (HGSD), in collaboration with the National Geodetic Survey (NGS) and other state to local agencies, has [...]
Science and Research Plan Update
The Harris-Galveston Subsidence District is proud to share the latest Science and Research Plan. This plan’s science and research objectives are intended to [...]
2022 Annual Groundwater Report Now Available
The Harris-Galveston Subsidence District’s Board of Directors has approved the 2022 Annual Groundwater Report. The Annual Groundwater Report includes information on the following: [...]
2022 Annual Groundwater Report Public Hearing Notice
The Harris-Galveston Subsidence District will hold a public hearing to present the 2022 Annual Groundwater Report on Thursday, April 27, at 9:00 am. [...]
New U.S.G.S. Groundwater-Flow Model
The U.S. Geological Survey has published a new groundwater-flow model that provides the latest data on groundwater and land subsidence and will serve [...]
Annual Pumpage Reports are Due on January 31, 2023
All permit holders are required to submit their annual (January-December 2022) groundwater use by January 31, 2023. Watch this video for how to [...]