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2005: Established by the Texas State Legislature. All Rights Reserved as the difference in water-level altitude at each well for the water-level data collection year and the interprets groundwater-level and aquifer-sediment-compaction data to understand the effects of An overview of the Harris-Galveston Subsidence District permitting process and fees. 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. Now on its fifth iteration since 1976, the plan describes the different regulatory areas throughout the district, defines groundwater withdrawal limits for each area, and provides guidelines for permitting. With the last regulatory plan adopted in 2013, HGSD recently initiated a joint regulatory plan review in cooperation with the Fort Bend Subsidence District (FBSD) in January 2020. In Houston, land subsidence is caused by the withdrawal of groundwater. 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). In 2021, kriging, a geostatistical interpolation method, was yV'1p s$&:j},WF") ]WdO9mu]eh+5K[1T@sPdQ$j%j\\u)) ->qT?^R:@RY!cpu)88p/~p]7 WEWj$U$e'I|MVfgyUcgwy~h8qZ hK}&EiQ';[P2 =Yal Contact Information; District Website; Legislation House Bill 552; Chapter 284, 64th Legislature, 1975; Water-level altitude, well, and compaction data have been combined in an interactive map that allows Phone: 281-342-3273 %PDF-1.3 Newsletters By Vanessa Holt. The Lone Star GCD has studied the Gulf Coast Aquifer for a decade and confirmed the reports of many local water suppliers, which state that water levels in the countys aquifers have declined at an alarming rate as a result of deficit pumping. Since the creation of the GMA, HGSD has provided information, research, and financial support to the GMA process. On the first stop, we visited the Texas City Rainwater Pump Station, where Texas Citys Emergency Management team takes runoff rainwater from ditches in the area and pumps it into Moses Lake. If you are passionate about water conservation, education, collaboration, and making a positive impact on your community, we invite you to apply today! adopted as an effective alternative to manual contour interpolation. Contact Us. Website by Abstract Media, Lone Star GCD, 655 Conroe Park North Drive, Conroe, TX, 77303, United States, Lone Star Static Well Level Monitoring Network Map, Lone Star Groundwater Conservation District - Phase 3 Site-Specific Subsidence Investigations, Lone Star Groundwater Conservation District - Phase 2 Subsidence Investigations, Subsidence Study Phase 1 Draft Final Report. While some of the duties and goals are similar to those of groundwater conservation districts, Harris-Galveston . Want to learn more about how subsidence has impacted this region? The goal was to keep the region elevated by developing ways to reduce groundwater consumption.. In the event of an emergency, please dial 9-1-1. The model will simulate the impacts of groundwater use on aquifer water levels and land subsidence throughout the region and will be used to evaluate regulatory scenarios of interest to both subsidence districts. Copyright 2023 The Texas Alliance of Groundwater Districts. Regional water-level change maps were constructed by interpreting the compiled water-level altitude data reduce groundwater withdrawals in Harris and Galveston Counties. This report, prepared by the U.S. Geological Survey in cooperation with the Harris-Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District, is one in an annual series of reports depicting water-level altitudes and water . Creation year: 1975 (64th Texas Legislature). University of Houston . Water-level altitude contours, wells, and compaction data have been combined in an interactive map that allows users to view annual water-level altitudes from 1977 through the present, water-level changes over time, and historical time series of compaction data. Explore Groundwater-Level and Compaction Data in the Chicot, Evangeline and Jasper Aquifers. endstream endobj startxref endobj Subsidence is known to have occurred in the southern part of Montgomery County based on monitoring and long-term surveying of land surface. 4Rw,De@5hfbHY`b`H=n We I$@g|0 In addition to regulation, the district also conducts research to enhance its understanding of the Upper Gulf Coast aquifer to better manage subsidence. subarea, and area B. In this chapter: (1)AA"Agricultural crop": (A)AAmeans food or fiber commodities that are grown for resale or commercial purposes and that are to be used for food, clothing, or animal feed; and 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. EXECUTIVE SUMMARY: The Fort Bend Subsidence District (FBSD) revised its District Regulatory Plan (DRP) in 2013 based on population and water demand projections, which were developed as part of a Regional Groundwater Update Project (RGUP) completed in 2013. Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays) below the land surface due to groundwater withdrawals. %PDF-1.5 % The District uses exceptional scientific research to ensure the best available technology and approaches are considered with respect to water management and subsidence monitoring. 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 Harris-Galveston Subsidence District, in cooperation with the Fort Bend Subsidence District, the Brazoria County Groundwater Conservation District, the Lone Star Groundwater Conservation District, the University of Houston, and the Brazosport Water Authority maintains a subsidence monitoring network that is constantly evolving and requires consistent investment. Harris County MUD 501 purchases its water supply from Harris County Municipal Utility District 500, which purchases surface water from the Authority. Harris-Galveston Subsidence District . This is accomplished through the careful regulation of groundwater withdrawals, working in collaboration with surface water suppliers. sOsOg_oW uMfM "F6H1#]Q]9gv3] m ]:U3*~=lrz&/tU=j4VRi/Y?Qk#mLiQ&~9zOo,6L#?~"|HJ@uF~[L iaG,):LUCB$\zB+B=zT& The District provides for the regulation of groundwater withdrawal throughout Harris and Galveston counties for the purpose of preventing land subsidence, which leads to increased flooding. Managing how groundwater resources are used is key to controlling subsidence. The Harris-Galveston Subsidence District is a special purpose district created by the Texas Legislature in 1975 to regulate groundwater withdrawal throughout Harris and Galveston counties in order to prevent land subsidence. Data provided by the USGS. Harris-Galveston Subsidence District, the Application for Groundwater Certificate Replacement, and Acknowledgment of District Regulatory Requirements. =3R{;vBbh *J2q!Ol] 5rR(T/hgb(0XY g;}HcBei3Wbhq+(MH9DX0ayqQ^\I:v@|\S$N=fV(~'|Wo+p&O%b Purpose: To maintain the quality and availability of Brazoria Countys groundwater resources for current users and future generations. The primary aquifers in the Gulf Coast aquifer system in the Houston-Galveston region are the Overview of Science and Research conducted by the Harris-Galveston Subsidence District, The strategic direction for science and research conducted at the Harris-Galveston Subsidence District. in the Houston-Galveston region to provide for the regulation of groundwater withdrawals in areas within Since 1977, the USGS Texas Water Science Gulf Coast Program has published regional groundwater maps for By 1977, the withdrawals had resulted in water-level altitude declines of 350 feet below datum in the For non-emergency law enforcement matters, please contact the Harris County Sheriffs Office non-emergency line at (713) 221-6000. This dataset was created to provide resource managers, public officials . Prior to 1975, the withdrawal of groundwater from the Chicot-Evangeline aquifer was unregulated, and Click here to view information and publications from USGS about groundwater and subsidence on the Texas Gulf Coast. feet of subsidence had occurred in the Houston-Galveston region. 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. )|#.`/D;WcM0z,B] mXU+^yZ!9K254cC.(WjoFgpK1EpvgoV "H7 OKQ:kHLa`Z=Hmm'rh`:Qfb5.!H{ 6+sBQ The District has taken a reasonable approach to groundwater regulation in order to minimize subsidence within its regulatory areas. HARRIS-GALVESTON SUBSIDENCE DISTRICT SUBCHAPTER A. 218 0 obj <>/Filter/FlateDecode/ID[<47E07B46D706934486CB2062ED92DA88><05048E564C3EFD429B1933026D915C3D>]/Index[186 44]/Info 185 0 R/Length 144/Prev 850166/Root 187 0 R/Size 230/Type/XRef/W[1 3 1]>>stream Harris-Galveston Subsidence District; Fort Bend Subsidence District; . 229 0 obj <>stream Groundwater withdrawn from the Chicot-Evangeline and Jasper aquifers has been the primary source of In cooperation with Harris-Galveston Subsidence District, the City of Houston, Fort Bend County Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District, the U.S. Geological Survey Texas Water Science Center Gulf Coast Program collects, processes, and interprets groundwater-level . groundwater withdrawal on land subsidence in the Houston-Galveston region of Texas. The districts mission is to control land subsidence and manage groundwater resources through regulation, conservation, and coordination with suppliers of alternative water sources to assure an adequate quantity and quality of water for the future. of Houston, 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. In collaboration with Galveston Bay Foundation and Texas A&M Agrilife Extension Service, HGSD . This position serves as the Chief Operating Officer of the Fort Bend Subsidence District and provides the day-to-day leadership, management, and vision necessary to effectively complete the Districts mission. The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. Land subsidence is the gradual lowering of land-surface elevation. Subsidence regulation districts and their creation timeline The Harris-Galveston Coastal Subsidence District. You can view research studies, model information, and interactive maps under the Science & Research tab of the HGSD website. 0 However, there is another cause of subsidence in our area which causes the activation of surface faults (which can damage roads, houses, and buildings), loss of wetlands and . The District was created to provide for the regulation of groundwater withdrawal. View More. 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. Harris-Galveston Subsidence District Joins the Winners' Circle. 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. HARRIS GALVESTON SUBSIDENCE DISTRICT TESTIMONY TO COMMITTEE ON COUNTY AFFAIRS 2. Water-level change in the Gulf Coast Aquifer, 1977 to 2018. Report Street Light Outage Significant brackish groundwater resources exist within the Gulf Coast Aquifer System near Houston, Texas in Harris, Galveston, Fort Bend, and surrounding counties. Since the mid 1970s, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. She earned her Bachelor's degree in Biology and Environmental Studies from Baylor University and her . After successfully implementing InSAR mapping in the Houston-Galveston region in 2019, this new project will harness the complimentary capabilities of the Subsidence Districts subsidence monitoring network and SAR imagery to develop these historical deformation maps. 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. Water demands were projected . HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. From USGS well monitoring over decades they are able to show that once subsidence districts are created, groundwater levels rise significantly, thereby decreasing subsidence issues in their districts. To learn how to submit your report online, check out our instructional video! 1 0 obj Elections #Hiring When expanded it provides a list of search options that will switch the search inputs to match the current selection. These data were used to develop a groundwater flow model capable of simulating subsidence to inform the subsidence risk of brackish development of the Jasper aquifer. This report, prepared by the U.S. Geological Survey in cooperation with the Harris-Galveston Coastal Subsidence District, documents and refines the locations of principal faults mapped in the Houston, Texas, metropolitan area in previous studies. Community The Deputy General Manager serves as the Chief Operating Officer of the Fort Bend Subsidence District and provides the day-to-day leadership, management and vision necessary to ensure that the District has the proper operational controls, administrative and reporting procedures, and people systems in place to effectively complete . Establishes policy regarding groundwater regulation withdrawals to control subsidence. 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 . 2 0 obj The Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. Information about the report can be found at the Harris-Galveston Subsidence District website. 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. The public hearing fulfills the requirements of the Districts enabling legislation, which states that the Board of Directors shall hold a public hearing to take testimony concerning the effects of groundwater withdrawals on the subsidence of land within the District during the preceding year. The Board meetings are typically held at 5:30 PM on the first Wednesday of the month at The Lakehouse at Towne Lake, 10000 Towne Lake Parkway, Cypress, Texas 77433. Population projections were developed at the census block level for each decade from 2010 to 2070 using the 2010 U.S. Census as a population baseline. Occasionally, the district undertakes a review of the regulatory plan, working with other entities to assess future water needs and ensure that the plan will be successful in ceasing subsidence. Harris County Sheriffs Office The Harris-Galveston Coastal Subsidence District has required reduced groundwater use to slow or stop subsidence (sinking of ground level) in Harris and Galveston Counties. 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. 2017 Annual Groundwater Report Final Approved (Revised 2.0). o35d8\,=R/.Y2xTE@;jj?4/gh?D$U2;MrpF&tMF6h-|l-:nSzC~ ER5knSP" zXyY/mY|{mm}x"S8K~"UILrD> 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 The U.S. Geological Survey prepared this dataset in cooperation with the HarrisGalveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District. This district was created because area . endstream endobj 190 0 obj <>stream Fax: 281-232-3355. Legislature authorized the establishment of the Harris-Galveston Subsidence District to regulate and Harris-Galveston Subsidence District Permitting Portal Fort Bend Subsidence District Permitting Portal Please use one of these links to reach to the appropriate Permitting Portal. Contact information for the Harris-Galveston Subsidence District. destroyed or were not measured during the individual publication study period. each regional water-level altitude map. the U.S. Geological Survey Texas Water Science Center Gulf Coast Program collects, processes, and 1999: Regulatory areas converted into 3 primary areas. Groundwater Conservation District Information (O-Z and Subsidence Districts) For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. When expanded it provides a list of search options that will switch the . Harris-Galveston Subsidence District (coastal Texas, U.S.A.) is worldwide one of the frontrunners in subsidence prevention, by regulating, registering, and permitting the withdrawal of groundwater from deep aquifers. In order to evaluate the performance of the projection methodology which informed the 2013 DRP, the short-term projections from the RGUP have been evaluated against recent estimates of population and water demand from multiple sources at various geographic scales. =*-SRIbI -|tdAl` Q ka+dzLp[fAh/tGp7=>>q[y,Nz Ma For more information, or to learn how to submit your report online, visit: https://lnkd.in/gSz5XemV. In addition HGSD provides water conservation, education, and outreach programs to underscore the importance of water conservation in the community. Up to 2020, regional water-level altitude maps were created by manually interpolating contours of Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. Interpolated modeled water-level altitude surfaces were only used to compute differences when wells were Regular, precise, automated readings are taken of the elevation of the ground at locations throughout the county.

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