New! Request for Qualifications
Water conservation is an essential component to reduce reliance on groundwater withdrawal and prevent further subsidence, which is why the Harris-Galveston Subsidence District [...]
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 [...]
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 [...]
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 [...]
The University of Houston Publishes a New Houston-area Subsidence Study
Researchers at the University of Houston have recently published a new study regarding subsidence in the Houston area. Some key takeaways from the [...]
New! GNSS Survey for Harris, Galveston, and Surrounding Counties
A new GNSS survey for Harris, Galveston, and surrounding counties will begin this October with anticipated deliverables to be completed by the first [...]