USGS measures groundwater levels in over 700 wells in an 11-county area annually in the Houston-Galveston area in order to develop a regional depiction of groundwater levels. Since the mid 1970s, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. HGSD has the goal of reducing the area to 20% reliance on groundwater by 2035 and managing water to promote . 2003: Regulatory areas divided into area A, which includes the Richmond-Rosenberg
Information about the Management team at the Harris-Galveston Subsidence District. Some natural land subsidence also occurs over long periods of time, due to natural settling. Bend County Subsidence District,
On our last stop, we toured theCity of Houstons Northeast Water Purification Plant Expansion. Click here for more information about the Authority. Groundwater Conservation District and, most recently, Brazoria County Groundwater Conservation District
Creation year: 1975 (64th Texas Legislature). In cooperation with
Evaluation of projected population and future water demands, Development of subsidence models to simulate future subsidence based on projected water demands, Measurement of annual water-level to show the impact of conversion requirements on the water-level in the aquifer, Assessment of alternative water supplies including brackish groundwater use and aquifer storage and recovery. accurate land-surface altitude data available at the time of publication were used in the creation of
Click here to read our blog about how it could be addressed with a new USGS subsidence mapping tool. The network, initiated in 1994, currently extends across the Houston-Galveston region, across Harris, Fort Bend and surrounding counties, in an effort to represent the breadth and scope of subsidence in the region. Harris-Galveston Subsidence District, the
By 1977, the withdrawals had resulted in water-level altitude declines of 350 feet below datum in the
publication. GALVESTON COUNTY CHAMBERS COUNTY LIBERTY COUNTY WALLER COUNTY 45 249 59 U.S. Department of the Interior U.S. Geological Survey Pamphlet to accompany Scientific Investigations Map 3365 Prepared in cooperation with the Harris-Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District . Further information detailing the data processing and map creation for each published regional
resulting in subsidence. Water demands were projected for individual water supply systems based on average per capita demands observed from 2000 to 2008. 8X>F|9L'a{:Vh41tX
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x[k gH x$C8c:Bes9$_(Rs]j~4KNSB@-. Alternative water sources, like treated surface water, prevents excessive groundwater pumping, thereby minimizing subsidence. Interpolated modeled water-level altitude surfaces were only used to compute differences when wells were
The Science and Research Plan is designed to be a dynamic document with the intention to provide clarity to the strategic direction of the District and guidance to future science and research priorities in support of the District Regulatory Plan. Regional water-level change maps were constructed by interpreting the compiled water-level altitude data
Water-level altitude, well, and compaction data have been combined in an interactive map that allows
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Groundwater-level and compaction data are available as part of USGS data products. In addition HGSD provides water conservation, education, and outreach programs to . HGSD is governed by a board composed of 19 directors appointed by mayors and entities withing HGSD boundaries. 1 0 obj Trash Created by the Texas Legislature in 1975 to stop further subsidence in the Houston-Galveston region. For detailed information on the processing methodology, please refer to https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. The Houston area's two subsidence districts the Harris-Galveston Subsidence District, HGSD, and the Fort Bend Subsidence District have worked to monitor subsidence and mitigate it through a variety of water management efforts. 218 0 obj
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Legislature authorized the establishment of the Harris-Galveston Subsidence District to regulate and
For almost 50 years, they have been collecting, storing, and sharing data on groundwater abstraction and resulting surface lowering. of Houston,
1 of 3. 301 Jackson Street, Suite 639 According to a 2017 USGS report, Water levels in the southeastern parts of the study area in the Chicot and Evangeline aquifers have generally continued to rise since 1977, while water levels in the northern and western parts of Harris County and Southern Montgomery County have continued to decline. Texas Water Development Board works best with JavaScript enabled. Providing analysis of accurate and up to date predictions on water usage; the enforcement of real disincentives to those who rely too heavily on groundwater; and an unwavering commitment to practicing and promoting water conservation. This study, spawned from their original research that showed subsidence in southern Montgomery County was caused by exploitation of the Jasper aquifer, will investigate the combined effects of climate changes on coastal subsidence to enhance understanding of the deformation process. HGSD lies within the boundaries of Groundwater Management Area 14 (GMA 14). users to view annual water-level altitudes, water-level changes over time, and historical time series of
Since it is not a GCD, HGSD participates in the activities of GMA 14 as an inter-local participant. Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. Lone Star GCD is working with the Subsidence District to make the newer stations available online. Harris-Galveston Subsidence District reposted this, Mitigation of human-induced land subsidence starts with the regulation of resource extractions. Regular, precise, automated readings are taken of the elevation of the ground at locations throughout the county. About Us | Programs and Education | Management and Rules | News& Publications | Meeting Info | Permitting | Aquifers Data& Maps | Contact Us, Copyright 2004-2016 Lone Star Groundwater Conservation District compaction data. 2017 Annual Groundwater Report Final Approved (Revised 2.0). . Finally, use the Tab key to toggle the links within each districts. Since 1836, groundwater withdrawals have caused about 3,200 square miles of the Houston-Galveston area to subside (or sink) more than a foot, with some areas subsiding as much as 12 to 13 feet. Annual Pumpage Reports are due by January 31, 2023. in the Houston-Galveston region to provide for the regulation of groundwater withdrawals in areas within
5 0 obj This site is a publicly available, searchable, online database of water information. historical year or as the difference in water-level altitude at each well for the water-level data
Ground-Water Withdrawals and Land-Surface Subsidence in the Houston-Galveston Region, Texas, 1906-80: R-286: 4/1/1984: TWDB numbered report: December 1, 2020. subarea, and area B. By Vanessa Holt. As a result of Senate Bill 1336 in the 84th Legislature, the Edwards Aquifer Authority is no longer required to submit management plans to the TWDB. This process is crucial to prevent buildings from flooding. In fact, the USGS serves as the hub for an annual multi-agency data collection effort that includes the Brazoria County GCD, Lone Star GCD, the City of Houston, and both subsidence districts. After collecting and evaluating groundwater-level data for quality control, data are incorporated into a
endobj Lone Star Groundwater Conservation District - Phase 3 Site-Specific Subsidence Investigations (December 12, 2022), Lone Star Groundwater Conservation District - Phase 2 Subsidence Investigations (January 26, 2022), Subsidence Study Phase 2 Final Report (as approved on May 10, 2022), Subsidence Study Phase 2 Task 1 and Task 2 Draft Report, Subsidence Study Phase 2 Scope of Work (as approved on April 13, 2021), Subsidence Study Phase 1 Final Report (as approved on August 11, 2020), Subsidence Study Phase 1 Draft Final Report (pending Board approval on August 11, 2020). 1 of 11. Get the latest news and updates from the Harris-Galveston Subsidence District. Purpose: To manage groundwater withdrawal and enforce groundwater regulation within the district to prevent subsidence. Vision, Mission and Stategic Goals of the Harris-Galveston Subsidence District. v24Wf\+p7Ak@Q(lCJ'$6(kKa FdbT41l1Y$k@*nx(7TK6A9.
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'c* _Kq3b2'T9I?. Field inspector Robert Loveland sets up GPS monitoring site P013 that delivers data on land subsidence, or the sinking of land surface, to the Harris-Galveston Subsidence District, Tuesday . In reaction to the subsidence issues across the Houston-Galveston region, the Texas Legislature established the first subsidence district in 1975 to reduce or minimize further groundwater subsidence in their area. 1992: Regulatory areas redivided into 7 areas. The Fort Bend Subsidence District was created by the Texas Legislature in 1989 as a conservation and reclamation district (Act of May 26, 1989, 71st Leg., R.S., ch. Kasmarek, M.C., and Ramage, J.K., 2016, Water-Level Measurement Data Collected during 2015-2016 and Approximate Long-term Water-Level Altitude Changes of Wells Screened in the Chicot, Evangeline, and Jasper Aquifers, Houston-Galveston Region, Texas: U.S. Geological Survey data release, http://dx.doi.org/10.5066/F77H1GP3. Datasets of water-level changes and altitudes in the Chicot, Evangeline, and Jasper aquifers. The U.S. Geological Survey (USGS) prepared this dataset in cooperation with the HarrisGalveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District. To learn how to submit your report online, check out our instructional video! Purpose: To preserve, conserve and protect Montgomery Countys groundwater supplies. 2 0 obj Since 2019, the Subsidence District has sponsored research conducted by Southern Methodist University (SMU) that utilizes a novel methodology to evaluate land-surface deformation (subsidence) in the region. The District office will be closed on Monday, February 20, 2023, in observance of Presidents Day and will reopen during regular business hours on Tuesday, February 21, 2023. . Subsidence Risk Assessment and Regulatory Considerations for the Brackish Jasper Aquifer. Purpose: To maintain the quality and availability of Brazoria Countys groundwater resources for current users and future generations. All Rights Reserved. This report documents the impact of groundwater use on aquifer water levels and subsidence within the District and was prepared in accordance with an Inter-local Agreement between the District and the Harris-Galveston Subsidence District (HGSD). 18-396 passed on March 28, 2018, the Board of Directors held the Annual Groundwater Hearing beginning at 2:30 p.m. on May 23, 2018. A report by: David B. Zilkoski, Lucy W. Hall, Gilbert J. Mitchell, Vasanthi Kammula, Ajit Singh, William M. Chrismer, and Ronald J. Water-level change in the Gulf Coast Aquifer, 1977 to 2018. 1985: Divided into 8 regulatory areas by amount of groundwater reduction needed. o35d8\,=R/.Y2xTE@;jj?4/gh?D$U2;MrpF&tMF6h-|l-:nSzC~ ER5knSP" zXyY/mY|{mm}x"S8K~"UILrD>
Richmond, TX 77469 Harris County MUD 501 is located within the boundaries of the Authority. Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. Significant brackish groundwater resources exist within the Gulf Coast Aquifer System near Houston, Texas in Harris, Galveston, Fort Bend, and surrounding counties. The District uses exceptional scientific research to ensure the best available technology and approaches are considered with respect to water management and subsidence monitoring. The Subsidence District has adopted regulations requiring reduction of groundwater withdrawals through conversion to alternate source water (e.g., surface water) in certain areas within the Subsidence Districts jurisdiction, including the land within Harris County MUD 501. It has since been turned into the Baytown Nature Center. endobj Last week, some of our Board of Directors and District Staff visited areas that have historically been affected by subsidence and toured important projects that have been implemented to prevent further subsidence in the Houston area. larger image. The Harris-Galveston Subsidence District is a special purpose district created by the Texas Legislature in 1975. Harris-Galveston Subsidence Districts main mechanism of regulation is through its regulatory plan, with requirements laid out in the districts enabling legislation.
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