destroyed or were not measured during the individual publication study period. 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. 5 0 obj 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. Lone The district implemented their first groundwater regulatory plan in 1976. Subsidence Risk Assessment and Regulatory Considerations for the Brackish Jasper Aquifer. Click here for more information about the Authority. 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 . 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. Some natural land subsidence also occurs over long periods of time, due to natural settling. resulting in subsidence. 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 the creation of the GMA, HGSD has provided information, research, and financial support to the GMA process. 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. 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. These units operate in conjunction with the two that have been monitoring land levels in Montgomery County for more than 10 years. `c331vf2~+kRbs "cX1K3H3200 iy@Se! g= 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 . In cooperation with 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. 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. Elections As the Houston Chronicle reported, Over the years, Texas lawmakers enacted bills to create subsidence or water conservation districts in counties that include Harris, Fort Bend, Montgomery and Galveston. Water supply evaluation and population projections are underway. Land Subsidence. Lone Star Groundwater Conservation District, Brazoria County Groundwater Conservation District, Fort 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 . Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. Contact Information; District Website; Legislation House Bill 552; Chapter 284, 64th Legislature, 1975; Information about the Management team at the Harris-Galveston Subsidence District. The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. 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. They have successfully slowed-down land subsidence, decreased flood risks, and overall maintained the viability of the area. 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. Up to 2020, regional water-level altitude maps were created by manually interpolating contours of water levels in the aquifer were declining with associated depressuring, dewatering, and compaction ?Jj YV3YIi}SgQ)btH24[0PeU$'r-1[hBy"&aH@"F0Z1&N'f`^~D-ocr@:A /TG}]u9b l. 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. hb```a``c`e`fb@ !+s\ddX{DJG3^pq~HIq @ZHHt40Ttt4D - Since it is not a GCD, HGSD participates in the activities of GMA 14 as an inter-local participant. 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 reduction in pumpage has resulted in the increase of water- level in the aquifer system in those areas and a reduction in subsidence rates. established the Fort Bend Subsidence District and two groundwater conservation districts: Lone Star 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. 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 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. 1 of 11. 1989: Established by the Texas State Legislature. When expanded it provides a list of search options that will switch the search inputs to match the current selection. When expanded it provides a list of search options that will switch the . 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. Fort Bend Subsidence District These efforts have identified and . 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. Learn about the District's water conservation programs and tools, Get local watering recommendations based off data from the District's weather stations. 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 . Land subsidence occurs when large amounts of groundwater have been excessively withdrawn from an aquifer. Water-level altitude is calculated at each well by subtracting the water-level measurement (depth to Regular, precise, automated readings are taken of the elevation of the ground at locations throughout the county. endstream endobj 191 0 obj <>stream Instead of losing a foot every 10 years, many . accurate land-surface altitude data available at the time of publication were used in the creation of In 2021, kriging, a geostatistical interpolation method, was Creation year: 1975 (64th Texas Legislature). 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. . endobj Disrupts collector drains and irrigation ditches. HGSD has the goal of reducing the area to 20% reliance on groundwater by 2035 and managing water to promote . Overview of the Harris-Galveston Subsidence District planning process. Both surface water and groundwater rates were reduced by $0.50 per 1,000 gallons. Water Conservation Program Coordinator, 2022 Annual Groundwater Report Public Hearing Notice, https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. Harris-Galveston Subsidence District Joins the Winners' Circle. This district was created because area residents and local governments were becoming increasingly alarmed by subsidences continued impact on the regions economic growth and quality of life. Harris-Galveston Subsidence District (coastal Texas, U.S.A.) is worldwide one of the frontrunners in subsidence prevention, by regulating, registering, and permitting the withdrawal of groundwater from deep aquifers. Purpose: To preserve, conserve and protect Montgomery Countys groundwater supplies. Harris-Galveston Subsidence District in Boydton, VA Expand search. Creation year: 2001 (77th Texas Legislature). The Fort Bend Subsidence District was created by the Texas Legislature in 1989 as a conservation and reclamation district (Act of May 26, 1989, 71st Leg., R.S., ch. Brazoria County Groundwater Conservation District . On our last stop, we toured theCity of Houstons Northeast Water Purification Plant Expansion. Gen. Laws 4251). You can also view water levels by visiting the Lone Star Static Well Level Monitoring Network Map. (3-a) "Florist item" means a cut flower, potted plant, blooming plant, inside foliage plant, bedding plant, corsage flower, cut foliage, floral decoration, or live decorative material. }D?|=X'W|pqe'p]x/ Since 1836, groundwater withdrawals have caused about 3,200 square miles of the Houston-Galveston area to subside (or sink) more than a foot, with some areas subsiding as much as 12 to 13 feet. The goal was to keep the region elevated by developing ways to reduce groundwater consumption.. hmo0?:;T!AR~p!A+~g`e]rw>F "1T"@0D$L$!A!JyXUJsm\Ouu~o:p11G5r[U=w/ QdQUq] 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. Subsidence can be an important issue in certain areas such as the Gulf Coast region. Application for Groundwater Certificate Replacement, and Acknowledgment of District Regulatory Requirements. 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. In addition to regulation, the district also conducts research to enhance its understanding of the Upper Gulf Coast aquifer to better manage subsidence. Groundwater Conservation District and, most recently, Brazoria County Groundwater Conservation District water-level altitude and regional water-level change contour map can be found in the individual year UNESCO Land Subsidence International Initiative. Purpose: To maintain the quality and availability of Brazoria Countys groundwater resources for current users and future generations. Interpolated modeled water-level altitude surfaces were only used to compute differences when wells were groundwater withdrawal on land subsidence in the Houston-Galveston region of Texas. The development of brackish groundwater resources has become a more common water management strategy in the State of Texas. The District was created to provide for the regulation of groundwater withdrawal. 1999: Regulatory areas converted into 3 primary areas. https://lnkd.in/g-6YkVmS 1976: First regulatory area (Area of Concentrated Emphasis, ACE) established. The Harris-Galveston Subsidence District (District) is a special purpose district created by the Texas Legislature in 1975. Fort City Creation year: 2003 (approved by Brazoria County voters in 2005). )|#.`/D;WcM0z,B] mXU+^yZ!9K254cC.(WjoFgpK1EpvgoV "H7 OKQ:kHLa`Z=Hmm'rh`:Qfb5.!H{ 6+sBQ Pay Your Tax Bill Online An overview of the Harris-Galveston Subsidence District permitting process and fees. When we pump large amounts of water from the aquifers beneath us, we pull water out of the many layers of clay, which causes the clay to compact, lowering the elevation of the land above. the Houston-Galveston Region, Texas. Brazoria County Groundwater Conservation District, V(&xH:1dxB0"5Cu)edL9x2Z~Q`&1R`oC1NTEGxfP8QMiuy6T8-%HI Y{*,t wBh# Water-level altitude, well, and compaction data have been combined in an interactive map that allows water for municipal supply, commercial and industrial use, and irrigation in the Houston-Galveston %%EOF Since its creation, subsidence rates have slowed greatly. HGSD is divided into three regulatory areas stretching from High Island and Galveston upwards to Hempstead, TX. Copyright 2023 The Texas Alliance of Groundwater Districts. GULF-2023 Model Development & USGS Partnership. 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. 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. Alters the flow of creeks and bayous which may increase the frequency and severity of flooding. 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 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. . Land subsidence is the gradual lowering of land-surface elevation. 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. This button displays the currently selected search type. These sites are being cooperatively run and operated by the following agencies. =3R{;vBbh *J2q!Ol] 5rR(T/hgb(0XY g;}HcBei3Wbhq+(MH9DX0ayqQ^\I:v@|\S$N=fV(~'|Wo+p&O%b historical year or as the difference in water-level altitude at each well for the water-level data Contact information for the Harris-Galveston Subsidence District. 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 . Groundwater withdrawn from the Chicot-Evangeline and Jasper aquifers has been the primary source of 301 Jackson Street, Suite 639 This process is crucial to prevent buildings from flooding. Areas of the nature center show reminiscences of the neighborhood and serve as an important reminder of what subsidence can do. The Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. Vision, Mission and Stategic Goals of the Harris-Galveston Subsidence District. Southeast Texas Groundwater Conservation District; Other Districts. Most compaction that occurs as a result of groundwater withdrawals is irreversible; even if groundwater In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays) 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). users to view annual water-level altitudes, water-level changes over time, and historical time series of J.M:xo[q]omJdI Wf@M|$ot-MB@V5J SDh!!FwTtd\#\v?T{DJo"DfTFaF.%I\J'3@$;k 8f below the land surface due to groundwater withdrawals. Star Groundwater Conservation District, and 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. 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. Then, use either Enter or Space key to open the selected district. 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 . This study provides a basis for future research on subsidence in the Districts area and can inform water managers and planners in the Houston area on the availability of brackish groundwater resources. 229 0 obj <>stream Ground-Water Withdrawals and Land-Surface Subsidence in the Houston-Galveston Region, Texas, 1906-80: R-286: 4/1/1984: TWDB numbered report: According to the Harris-Galveston Subsidence District (HGSD), land subsidence is the sinking of the earth's surface due to subsurface (underground) movements. HGSD works closely with State and Federal agencies to foster collaboration and improve governmental efficiency. . HVMs9W(GEU nQ,bb]4vb3Z_lW=zl%{O;\o%{ebEw 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. Alternative water sources, like treated surface water, prevents excessive groundwater pumping, thereby minimizing subsidence.
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