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 [...]
Since 1978, the Harris-Galveston Subsidence District (HGSD), in collaboration with the National Geodetic Survey (NGS) and other state to local agencies, has [...]
Our office will be closed on Monday and Tuesday, December 25 & 26, 2023, for Christmas and will reopen during regular business hours [...]
We are excited to share that we will host the Gulf Coast Water Conservation Symposium on February 22, 2024! This symposium brings together [...]