The Harris-Galveston Subsidence District (District) is a special purpose district created by the Texas Legislature in 1975. The District was created to provide for the regulation of groundwater withdrawal throughout Harris and Galveston counties for the purpose of preventing land subsidence, which leads to increased flooding. The District’s enabling legislation is found in Chapter 8801 of the Special Districts Code.

U.S. Drought Monitor Report

Latest News & Updates

  • Request for Qualifications for Science and Research Priorities
    The Harris-Galveston Subsidence District has released two requests for qualifications in support of the District Science and Research Plan. The requests address research priorities related to the potential development of saline groundwater resources and aquifer storage and recovery projects and the determination of any associated subsidence risk. […]...
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Contact HGSD

Harris-Galveston Subsidence District
1660 West Bay Area Blvd
Friendswood, TX 77546-2640
Voice : (281) 486-1105
Fax: (281) 218-3700

Office Hours

Monday – Friday
8:00 AM – 5:00 PM
Closed on State Holidays.

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