Vision, Mission and Stategic Goals of the Harris-Galveston Subsidence District. Land Subsidence. HGSD works closely with State and Federal agencies to foster collaboration and improve governmental efficiency. The Lone Star Groundwater Conservation District in 2012 purchased six Periodically Accessible Monitors (PAMs), which are specifically designed to detect subsidence. If the elevation of your house is only 10 feet above sea-level and you lose 10 feet of elevation because of subsidence, your house is now under water. Land subsidence is the gradual lowering of land-surface elevation. Created by the Texas Legislature in 1975 to stop further subsidence in the Houston-Galveston region. Groundwater-level and compaction data are available as part of USGS data products. Removing water from fine-grained aquifer sediments compresses the aquifer leaving less pore space The RGUP originally started in 2010 as the Harris-Galveston Subsidence District (HGSD) 1999 Regulatory Plan Update, but due to its benefits to other regional groundwater regulatory agencies, the Fort Bend Subsidence District (FBSD) and the Lone Star Groundwater Conservation District (LSGCD) joined the collaborative effort in 2010.The primary benefit of collaboration between these three entities is that each of them could use the RGUP to vet their existing regulatory plans using updated population/water demand data and groundwater modeling capability, and in the case of HGSD and FBSD, investigate the physical effects of changing their existing regulatory plans to accommodate the practical realities facing their stakeholders while successfully completing the Districts mission objectives. The Texas Alliance of Groundwater Districts supports Texas groundwater conservation districts and their efforts to conserve, preserve, and protect Texas groundwater. 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. This position supports both Harris-Galveston Subsidence District and Fort Bend Subsidence District as the water conservation subject matter expert providing administrative, technical, and educational information on water conservation, water science, and other natural science topics to a broad audience. The GULF-2023 model is a new $588,000 endeavor jointly funded by the HGSD and FBSD, in cooperation with USGS. The goal was to keep the region elevated by developing ways to reduce groundwater consumption.. Harris-Galveston Subsidence District, the Grant opportunities to implement projects that help reduce water use in the HGSD Regulatory Areas. People who live in the lower lying coastal areas (i.e., lower elevations and flatter topography) have much more reason to be concerned with subsidence than those who reside further inland in areas of higher elevations with more topographic relief. We are hiring a Deputy General Manager Fort Bend Operations to join our executive leadership team. Pay Your Tax Bill Online 1 of 3. For more information, or to learn how to submit your report online, visit: https://lnkd.in/gSz5XemV. For almost 50 years, they have been collecting, storing, and sharing data on groundwater abstraction and resulting surface lowering. hb```a``c`e`fb@ !+s\ddX{DJG3^pq~HIq @ZHHt40Ttt4D - destroyed or were not measured during the individual publication study period. 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. Now Hiring! 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. One of the primary concerns of subsidence in the coastal regions is flooding due to storm surges associated with hurricanes, where permanent seawater inundation and periodic storm water surge can dramatically impact property. %PDF-1.5 % endstream endobj 190 0 obj <>stream The reduction in pumpage has resulted in the increase of water- level in the aquifer system in those areas and a reduction in subsidence rates. Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. It has since been turned into the Baytown Nature Center. 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. Harris-Galveston Subsidence District (HGSD) in Texas was recognized as a WaterSense Partner of the Year for the first time for helping residents and businesses save water outdoors. SMU is developing subsidence maps from 1992 to 2023 by integrating data obtained from multi-temporal Interferometric Synthetic Aperture Radar (InSAR), a remote sensing technique using data collected from orbiting satellites, to quantitatively evaluate subsidence over specific periods of time across the region. HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. The Harris-Galveston Subsidence District maintains GPS monitoring stations in Harris, Galveston, Fort Bend and surrounding counties. By Vanessa Holt. GULF-2023 Model Development & USGS Partnership. HGSD Financial Information including Budgets, Annual Audits, and Financial Reports. Fort Bend Subsidence District The live data from the two older PAM units may be viewed by clicking on the Subsidence Monitoring Network Map (If you have Google Earth installed on your computer, simply click on the .kml file, and Google Earth will automatically open, showing you the network map.). 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. Groundwater Conservation District and, most recently, Brazoria County Groundwater Conservation District In addition HGSD provides water conservation, education, and outreach programs to underscore the importance of water conservation in the community. This dataset documents for 2018 the depth to groundwater measured in wells screened in the Chicot, Evangeline, and Jasper aquifers in the HoustonGalveston region, Texas. Texas Water Development Board works best with JavaScript enabled. Based on this analysis, recommendations have been developed to refine the methodology used in the next regional update project to further improve the next iteration of the regulatory plan. Report Street Light Outage In 2001, the Texas legislature created the West Harris County Regional Water Authority (the Authority) to, among other things, reduce groundwater usage in, and to provide surface water to, the western portion of Harris County and a small portion of Fort Bend County. <>stream Regular, precise, automated readings are taken of the elevation of the ground at locations throughout the county. The RGUP was jointly supported by the Harris-Galveston Subsidence District, the Fort Bend Subsidence District, and the Lone Star Groundwater Conservation District. extensometer stations in the 11-county area. 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. 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. A report by: David B. Zilkoski, Lucy W. Hall, Gilbert J. Mitchell, Vasanthi Kammula, Ajit Singh, William M. Chrismer, and Ronald J. Now hiring a Deputy General Manager for Fort Bend Operations. 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. It is the purpose of the HGSD Regulatory Plan to establish policy in the area of groundwater regulation, permits and enforcement. Water supply evaluation and population projections are underway. Water-level altitude is calculated at each well by subtracting the water-level measurement (depth to Groundwater withdrawn from the Chicot-Evangeline and Jasper aquifers has been the primary source of endstream endobj 187 0 obj <>/Metadata 33 0 R/OCProperties<>/OCGs[219 0 R]>>/Outlines 37 0 R/PageLayout/SinglePage/Pages 184 0 R/StructTreeRoot 50 0 R/Type/Catalog>> endobj 188 0 obj <>/ExtGState<>/Font<>/Properties<>/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 189 0 obj <>stream Application for Groundwater Certificate Replacement, and Acknowledgment of District Regulatory Requirements. 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 Numerous subsurface faults have been documented beneath the Houston metropolitan area at depths of 3,200 to 13,000 feet. Ground-Water Withdrawals and Land-Surface Subsidence in the Houston-Galveston Region, Texas, 1906-80: R-286: 4/1/1984: TWDB numbered report: The purpose of this report is to summarize the results of the Regional Groundwater Update Project (RGUP). Fax: 281-232-3355. If you are passionate about water conservation, education, collaboration, and making a positive impact on your community, we invite you to apply today! geographic information system (GIS) and used for the construction of regional water-level altitude and 1045, 1989 Tex. Available job opportunities with Harris-Galveston Subsidence Distrcit. If you would like to find out more about their strategies and available data, please visit: https://hgsubsidence.org/, 2022 Annual Pumpage Reports are due on January 31, 2023. interprets groundwater-level and aquifer-sediment-compaction data to understand the effects of The District was created to provide for the regulation of groundwater . When expanded it provides a list of search options that will switch the search inputs to match the current selection. USGS measures groundwater levels in over 700 wells in an 11-county area annually in the 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. Harris-Galveston Subsidence District wishes you and your loved ones a safe and happy holiday season! Water-level change in the Gulf Coast Aquifer, 1977 to 2018. H\j@}l/6 6i!i$U6"o=B9|c7MfwzQCyaks,Oi&LOcuVcc6_z0Y.MTQM>lW~2Miu8hV4c:ul:fU,+?/Q_spA.%Y[Hliicc-iiiiooo#t8zAG#+0SL W`y$[yzzxzzzxzzzxzzzxzzzxzzzxzzzxzgJ0Fi6xN4._3I]8o Community Brazoria County Groundwater Conservation District . the Houston-Galveston Region, Texas. You can view research studies, model information, and interactive maps under the Science & Research tab of the HGSD website. The new intake pump station will draw water from Lake Houston and, upon completion of the water treatment facility, will be able to provide 320 million gallons of treated water per day. A focus of these scenarios will be on the variables that minimize subsidence in the future while accounting for the availability of alternative water supplies. 2001: Established by the Texas State Legislature. Extensometers and Subsidence. Some natural land subsidence also occurs over long periods of time, due to natural settling. The Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. 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. HARRIS GALVESTON SUBSIDENCE DISTRICT TESTIMONY TO COMMITTEE ON COUNTY AFFAIRS 2. Lone 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). Board This site is a publicly available, searchable, online database of water information. 229 0 obj <>stream 186 0 obj <> endobj Purpose: To maintain the quality and availability of Brazoria Countys groundwater resources for current users and future generations. SMU is developing subsidence maps from 1992 to 2023 by integrating data obtained from multi-temporal Interferometric Synthetic Aperture Radar (InSAR), a remote sensing technique using data collected from orbiting satellites, to quantitatively evaluate subsidence over specific periods of time across the region. In the event of an emergency, please dial 9-1-1. Water, For persons with questions or needing help regarding website accessibility, or to request the provided information in alternative formats, please call (713) 860-6400 or send an email to, Harris County Municipal Utility District 501, 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. 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 Conventional Measurement Method, Borehole Extensometers, GPS, and Measuring Subsidence in the Future. below the land surface due to groundwater withdrawals. Neighbors. Register a well, permit applications, renewals, and amendments. endobj #Hiring Activities Gen. Laws 4251). Harris-Galveston Subsidence District. 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. HVMs9W(GEU nQ,bb]4vb3Z_lW=zl%{O;\o%{ebEw Contact Us. adopted as an effective alternative to manual contour interpolation. HGSD has the goal of reducing the area to 20% reliance on groundwater by 2035 and managing water to promote . Want to learn more about how subsidence has impacted this region? endstream endobj 191 0 obj <>stream 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. the U.S. Geological Survey Texas Water Science Center Gulf Coast Program collects, processes, and For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. 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 . 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. 301 Jackson Street, Suite 639 their jurisdiction. 1992: Regulatory areas redivided into 7 areas. each regional water-level altitude map. The nearby hydrograph shows that when a subsidence district was created around 1976 (red line), groundwater levels in the Chicot Aquifer rose substantially. The University of Houston processes the GPS data. In 2021, kriging, a geostatistical interpolation method, was J.M:xo[q]omJdI Wf@M|$ot-MB@V5J SDh!!FwTtd\#\v?T{DJo"DfTFaF.%I\J'3@$;k 8f publication. University of Houston . The development of brackish groundwater resources has become a more common water management strategy in the State of Texas. Further information detailing the data processing and map creation for each published regional 1999: Regulatory areas converted into 3 primary areas. Bend County Subsidence District, Lone Data provided by the USGS. v24Wf\+p7Ak@Q(lCJ'$6(kKa FdbT41l1Y$k@*nx(7TK6A9. LX 0o9 'c* _Kq3b2'T9I?. An overview of the Harris-Galveston Subsidence District permitting process and fees. This is accomplished through the careful regulation of groundwater withdrawals, working in collaboration with surface water suppliers. Learn more: https://lnkd.in/gtXuURxS. 5 0 obj Subsidence can be an important issue in certain areas such as the Gulf Coast region. endstream endobj startxref Richmond, TX 77469 The primary aquifers in the Gulf Coast aquifer system in the Houston-Galveston region are the Click here for more information about the Authority. Harris-Galveston Subsidence Districts main mechanism of regulation is through its regulatory plan, with requirements laid out in the districts enabling legislation. . Land subsidence is sinking of the land surface, caused by compressing the many layers of clay beneath the surface. Since 1977, the USGS Texas Water Science Gulf Coast Program has published regional groundwater maps for 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. While some of the duties and goals are similar to those of groundwater conservation districts, Harris-Galveston Subsidence District (HGSD) is not governed by Chapter 36 of the Texas Water Code. water levels in the aquifer were declining with associated depressuring, dewatering, and compaction 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. The cumulative compaction in the Chicot-Evangeline undifferentiated aquifer is measured at 13 Regional water-level change maps were constructed by interpreting the compiled water-level altitude data Types of research sponsored by the District include: Each year the Board of Directors holds a public hearing for the purpose of taking testimony concerning the effects of groundwater withdrawals on the subsidence of land within the District during the preceding year. This dataset was created to provide resource managers, public officials . Bandera County River Authority & Groundwater District Featured District, Develop population and demand projections for 10 counties through 2100, Conduct alternative water supply assessment, Develop the Gulf Coast Land Subsidence and Groundwater Flow (GULF)-2023 model with US Geological Survey and Texas Water Development Board, Update the analytical subsidence models previously used by the HGSD and FBSD, Groundwater regulation (or lack thereof) in adjacent counties. 1 0 obj The Harris-Galveston Subsidence District (District) is a special purpose district created by the Texas Legislature in 1975. Subsidence is known to have occurred in the southern part of Montgomery County based on monitoring and long-term surveying of land surface. Click here to read our blog about how it could be addressed with a new USGS subsidence mapping tool. =*-SRIbI -|tdAl` Q ka+dzLp[fAh/tGp7=>>q[y,Nz Ma Newsletters xX6~R-N\dq?%cBa:77#KZO=~`[h[VPC-!q8cVBv1j0Bh}vcu-7~6G~@ ucM,-s-9i4_g8jO00J\iOSktweZ.wfbuy9;Q^WGeQUab=~2_GK Z/fox$mTLMNX/ke5'a(7X=NCi>26*'$!3 In collaboration with Galveston Bay Foundation and Texas A&M Agrilife Extension Service, HGSD . #hiring #houstonjobs, We are hiring a Water Conservation Program Coordinator to administer the Districts water conservation programs, including the school program, grant program, and outdoor irrigation program. hmo0?:;T!AR~p!A+~g`e]rw>F "1T"@0D$L$!A!JyXUJsm\Ouu~o:p11G5r[U=w/ QdQUq] 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. Deputy General Manager Fort Bend Operations, Now Hiring! She joins Harris County from the Harris-Galveston Subsidence District, where she has served as Deputy General Manager for the past 3 years and oversaw the District's Regulatory Planning, Scientific Research, and Water Conservation Programs. 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. 1985: Divided into 8 regulatory areas by amount of groundwater reduction needed. 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. The Harris-Galveston Subsidence District, created in 1975, was the first of these districts. This button displays the currently selected search type. Trash These efforts have identified and documented the susceptibility of land surface subsidence due to the production of groundwater in the Chicot and Evangeline aquifers. users to view annual water-level altitudes, water-level changes over time, and historical time series of These efforts have identified and . https://lnkd.in/gZKAs__D. This district was created because area residents and local governments were becoming increasingly alarmed by subsidences continued impact on the regions economic growth and quality of life. subarea, and area B. 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 . levels rise, compacted sediments and the associated land-surface lowering would remain as-is. of gravel, sand, silt, and clay. Reduces the ability to store water in an aquifer. compaction data. Harris-Galveston Subsidence District reposted this, Mitigation of human-induced land subsidence starts with the regulation of resource extractions. Subsidence Risk Assessment and Regulatory Considerations for the Brackish Jasper Aquifer. Water Conservation Program Coordinator, 2022 Annual Groundwater Report Public Hearing Notice, https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. 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 . Get the latest news and updates from the Harris-Galveston Subsidence District. Harris-Galveston Subsidence District . Harris-Galveston Subsidence District; Fort Bend Subsidence District; . The USGS has a long history of working with HGSD and other entities in the Houston region. %N_yuJlv\DxD"`UIci+QV8F,P"iRNd[U]4#8T&2m4=oCgq! 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. The results of this study confirm the potential for compaction in the Jasper aquifer and subsidence to occur from brackish groundwater development particularly in up-dip areas near where the Jas-per is being used for freshwater supply. water for municipal supply, commercial and industrial use, and irrigation in the Houston-Galveston Chicot-Evangeline aquifer in southeastern Harris County, and correspondingly, by 1979, as much as 10 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 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. <> Information about the Management team at the Harris-Galveston Subsidence District. ArcGIS Online Map of Subsidence Rates in Fort Bend and Surrounding Counties, Texas, USA, 2020 Annual Groundwater Report Executive Summary, ArcGIS Online Map of Subsidence Rates in Fort Bend and surrounding Counties, Texas, USA. Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits Significant brackish groundwater resources exist within the Gulf Coast Aquifer System near Houston, Texas in Harris, Galveston, Fort Bend, and surrounding counties. % Alternative water sources, like treated surface water, prevents excessive groundwater pumping, thereby minimizing subsidence. Managing how groundwater resources are used is key to controlling subsidence. Since the creation of the GMA, HGSD has provided information, research, and financial support to the GMA process. The water-level measurements in the dataset are built upon and stored in the National Water Information System: web interface, groundwater information, and field measurements website located here: http://dx.doi.org/10.5066/F7P55KJN. %%EOF 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. The variables to be explored include: Since the District was created in 1975, our focus has been on preventing subsidence through reasonable regulation of groundwater use, says Mike Turco, General Manager of HGSD, our commitment to cutting-edge research and consistent investment in the highest-quality data collection, with agencies like the USGS, has provided a firm scientific basis for a successful regulatory plan. The new GULF-2023 model will be the latest product in a large body of scientific activities initiated by HGSD. In Houston, land subsidence is caused by the withdrawal of groundwater. Creation year: 1975 (64th Texas Legislature). By 1977, an extensive groundwater well-monitoring network had been established and the USGS had collected water-level data that were used to create the first published water-level altitude maps of the Chicot and Evangeline aquifers in the Houston-Galveston region. In addition HGSD provides water conservation, education, and outreach programs to . )|#.`/D;WcM0z,B] mXU+^yZ!9K254cC.(WjoFgpK1EpvgoV "H7 OKQ:kHLa`Z=Hmm'rh`:Qfb5.!H{ 6+sBQ Search form lists all water wells with a HGSD permit in a given area. The Authoritys GRP sets forth the Authoritys plan to comply with the Subsidence District regulations, construct surface water facilities, and convert users from groundwater to alternate source water (e.g., surface water).
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