Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. For detailed information on the processing methodology, please refer to https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. 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. of Houston, The goal was to keep the region elevated by developing ways to reduce groundwater consumption.. 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. By Vanessa Holt. Used by HGSD as guides in the exercise of the powers in the accomplishment of the purposes of Special Districts Code. Search form lists all water wells with a HGSD permit in a given area. 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. These efforts have identified and . #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. historical year or as the difference in water-level altitude at each well for the water-level data Land Subsidence. Both surface water and groundwater rates were reduced by $0.50 per 1,000 gallons. Creation year: 2001 (77th Texas Legislature). The District Science and Research Plan represents the strategic direction for science and research conducted or supported by the Fort Bend Subsidence District (FBSD) and, as such, is an essential component of the Districts regulatory planning process. In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays) The Authoritys GRP sets forth the Authoritys plan to comply with the Subsidence District regulations, construct surface water facilities, and convert users from groundwater to alternate source water (e.g., surface water). below the land surface due to groundwater withdrawals. Establishes policy regarding groundwater regulation withdrawals to control subsidence. Significant brackish groundwater resources exist within the Gulf Coast Aquifer System near Houston, Texas in Harris, Galveston, Fort Bend, and surrounding counties. ArcGIS Online Map of Subsidence Rates in Fort Bend and Surrounding Counties, Texas, USA, 2020 Annual Groundwater Report Executive Summary, ArcGIS Online Map of Subsidence Rates in Fort Bend and surrounding Counties, Texas, USA. J.M:xo[q]omJdI Wf@M|$ot-MB@V5J SDh!!FwTtd\#\v?T{DJo"DfTFaF.%I\J'3@$;k 8f Lone Star GCD is working with the Subsidence District to make the newer stations available online. 2003: Regulatory areas divided into area A, which includes the Richmond-Rosenberg Since the mid 1970s, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. % The district proactively works with its groundwater users to address issues such as how to most efficiently use groundwater, control and prevent waste, control and prevent subsidence, and address drought conditions. This dataset shows current-year (2015-2016) water-level changes for each aquifer, 5-year (2011-2016) water-level changes for each aquifer, long-term (1990-2016 and 1977-2016) water-level changes for the Chicot and Evangeline aquifers, and long-term (2000-2016) water-level changes for the Jasper aquifer. https://lnkd.in/g-6YkVmS The Texas Alliance of Groundwater Districts supports Texas groundwater conservation districts and their efforts to conserve, preserve, and protect Texas groundwater. water levels in the aquifer were declining with associated depressuring, dewatering, and compaction https://lnkd.in/gZKAs__D. feet of subsidence had occurred in the Houston-Galveston region. Click here for more information about the Authority. 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. 2 0 obj 1975: Established by Texas State Legislature. Purpose: To preserve, conserve and protect Montgomery Countys groundwater supplies. Groundwater Conservation District and, most recently, Brazoria County Groundwater Conservation District Lone Star Groundwater Conservation District, Brazoria County Groundwater Conservation District, Fort Damages roadways, bridges, building foundations, and other infrastructure. the U.S. Geological Survey Texas Water Science Center Gulf Coast Program collects, processes, and This button displays the currently selected search type. 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. endstream endobj startxref 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. An overview of the Harris-Galveston Subsidence District permitting process and fees. 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. Contact information for the Harris-Galveston Subsidence District. Report Street Light Outage 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. HGSD is divided into three regulatory areas stretching from High Island and Galveston upwards to Hempstead, TX. 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. The Lone Star Groundwater Conservation District in 2012 purchased six Periodically Accessible Monitors (PAMs), which are specifically designed to detect subsidence. Subsidence is known to have occurred in the southern part of Montgomery County based on monitoring and long-term surveying of land surface. Request for Qualifications and other important information related to doing business with the Harris-Galveston Subsidence District. Numerous subsurface faults have been documented beneath the Houston metropolitan area at depths of 3,200 to 13,000 feet. 2019 Annual Groundwater Report Appendix A, 2019 Annual Groundwater Report Appendix B, 2019 Annual Groundwater Report Appendix C. Pursuant to Fort Bend Subsidence District (the District or FBSD) Resolution No. hmo0?:;T!AR~p!A+~g`e]rw>F "1T"@0D$L$!A!JyXUJsm\Ouu~o:p11G5r[U=w/ QdQUq] Harris-Galveston Subsidence District Joins the Winners' Circle. In addition HGSD provides water conservation, education, and outreach programs to underscore the importance of water conservation in the community. 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. 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. The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. 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 . This process is crucial to prevent buildings from flooding. 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. Extensometers and Subsidence. In cooperation with 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. Harris-Galveston Subsidence District reposted this, Mitigation of human-induced land subsidence starts with the regulation of resource extractions. 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. groundwater withdrawal on land subsidence in the Houston-Galveston region of Texas. All Rights Reserved This dataset was created to provide resource managers, public officials . 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. Since its creation, subsidence rates have slowed greatly. 1985: Divided into 8 regulatory areas by amount of groundwater reduction needed. 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. 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. established the Fort Bend Subsidence District and two groundwater conservation districts: Lone Star Click for HARRIS-GALVESTON SUBSIDENCE DISTRICT SUBCHAPTER A. The USGS has a long history of working with HGSD and other entities in the Houston region. 2017 Annual Groundwater Report Final Approved (Revised 2.0). Now Hiring! Water demands were projected for individual water supply systems based on average per capita demands observed from 2000 to 2008. The cumulative compaction in the Chicot-Evangeline undifferentiated aquifer is measured at 13 water-level altitude and regional water-level change contour map can be found in the individual year 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. Land subsidence occurs when large amounts of groundwater have been excessively withdrawn from an aquifer. Purpose: To manage groundwater withdrawal and enforce groundwater regulation within the district to prevent subsidence. The review of the plan includes the following steps: The initial stakeholder meeting for the joint regulatory plan review will take place May 20, 2020 and future progress meetings will be scheduled periodically throughout the project. UNESCO Land Subsidence International Initiative. Some natural land subsidence also occurs over long periods of time, due to natural settling. Removing water from fine-grained aquifer sediments compresses the aquifer leaving less pore space available to store water resulting . 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 Then, use either Enter or Space key to open the selected district. 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. 5 0 obj Disrupts collector drains and irrigation ditches. 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. 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 Star Groundwater Conservation District. 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. City 2005: Established by the Texas State Legislature. Evaluation of Projected Population and Water Demands in Fort Bend County. December 1, 2020. their jurisdiction. Want to learn more about how subsidence has impacted this region? Creation year: 1975 (64th Texas Legislature). In Houston, land subsidence is caused by the withdrawal of groundwater. When expanded it provides a list of search options that will switch the . 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.). 9 were here. water below land surface) from the referenced well land-surface altitude. During todays Board Meeting, Rosa Alvarez, Susan Baird, Sarah Benavides, Steve Gillett, Katherine Mears, and Don Johnson were reappointed and took their Oath of Office. University of Houston . available to store water resulting in the lowering (sinking or settling) of the land-surface. collection year and the interpolated water-level altitude of the historic year from a modeled surface. Bend County Subsidence District, Lone 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 . To address the issues associated with land-surface subsidence and compaction, the 64th Texas State %N_yuJlv\DxD"`UIci+QV8F,P"iRNd[U]4#8T&2m4=oCgq! 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, created in 1975, was the first of these districts. Elections Chicot-Evangeline aquifer in southeastern Harris County, and correspondingly, by 1979, as much as 10 Since 1990, the Fort Bend Subsidence District has regulated groundwater withdrawals and monitored subsidence in Fort Bend county. HGSD is governed by a board composed of 19 directors appointed by mayors and entities withing HGSD boundaries. Annual Groundwater Report, Cumulative Compaction of Subsurface Sediments, Regional Groundwater Update and more. Groundwater Conservation District Information (O-Z and Subsidence Districts) For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. They have successfully slowed-down land subsidence, decreased flood risks, and overall maintained the viability of the area. 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. subarea, and area B. Bend County Subsidence District, Harris County Sheriffs Office Application for Groundwater Certificate Replacement, and Acknowledgment of District Regulatory Requirements. Since the creation of the GMA, HGSD has provided information, research, and financial support to the GMA process. 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. 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 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 . Gen. Laws 4251). Explore Groundwater-Level and Compaction Data in the Chicot, Evangeline and Jasper Aquifers. Learn about the District's water conservation programs and tools, Get local watering recommendations based off data from the District's weather stations. 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. Grant opportunities to implement projects that help reduce water use in the HGSD Regulatory Areas. 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 A resident of the Houston area since 2011, Vanessa began working in community . levels rise, compacted sediments and the associated land-surface lowering would remain as-is. In addition to regulation, the district also conducts research to enhance its understanding of the Upper Gulf Coast aquifer to better manage subsidence. 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). Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits resulting in subsidence. 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. 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. The cumulative compaction in the Chicot and Evangeline aquifers are measured at 13 extensometer stations in the 11-county area. 1045, 1989 Tex. 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. The U.S. Geological Survey, in cooperation with the Harris Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Brazoria County Groundwater Conservation District, and Lone Star Groundwater Conservation District, has produced this dataset of water-level changes and approximate water-level altitudes in the Chicot, Evangeline, and Jasper aquifers in the Houston-Galveston region, Texas. 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. Trash Subsequent to establishing the Harris-Galveston Subsidence District, the Texas State Legislature 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. ?Jj YV3YIi}SgQ)btH24[0PeU$'r-1[hBy"&aH@"F0Z1&N'f`^~D-ocr@:A /TG}]u9b l. To learn how to submit your report online, check out our instructional video! users to view annual water-level altitudes, water-level changes over time, and historical time series of Next, we traveled to the infamous Brownwood Subdivision, which was abandoned due to substantial subsidence in the 1980s. 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 Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. The districts vision is to manage the groundwater resources so that, in the near future, the amount of groundwater withdrawn from the Gulf Coast Aquifer is no more than the average annual effective recharge to the Gulf Coast Aquifer System. This effort has published aquifer levels and subsidence data since 1975 and is a great example of what can be accomplished through sustained collaboration between, city, county, regional, and federal partners.
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harris galveston subsidence district 2023