The Harris-Galveston Subsidence District, created in 1975, was the first of these districts. publication. For years, the Houston area has been losing ground Fort 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. each regional water-level altitude map. Evaluation of Projected Population and Water Demands in Fort Bend County. V(&xH:1dxB0"5Cu)edL9x2Z~Q`&1R`oC1NTEGxfP8QMiuy6T8-%HI Y{*,t wBh# This site is a publicly available, searchable, online database of water information. The Texas Alliance of Groundwater Districts supports Texas groundwater conservation districts and their efforts to conserve, preserve, and protect Texas groundwater. Land subsidence is the gradual lowering of land-surface elevation. Southeast Texas Groundwater Conservation District; Other Districts. 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. 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. hbbd```b``NA$EHD]c@$wX2$'u1fHY b 1976: First regulatory area (Area of Concentrated Emphasis, ACE) established. Some natural land subsidence also occurs over long periods of time, due to natural settling. GALVESTON COUNTY CHAMBERS COUNTY LIBERTY COUNTY WALLER COUNTY 45 249 59 U.S. Department of the Interior U.S. Geological Survey Pamphlet to accompany Scientific Investigations Map 3365 Prepared in cooperation with the Harris-Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District . historical year or as the difference in water-level altitude at each well for the water-level data Bandera County River Authority & Groundwater District Featured District, Develop population and demand projections for 10 counties through 2100, Conduct alternative water supply assessment, Develop the Gulf Coast Land Subsidence and Groundwater Flow (GULF)-2023 model with US Geological Survey and Texas Water Development Board, Update the analytical subsidence models previously used by the HGSD and FBSD, Groundwater regulation (or lack thereof) in adjacent counties. Brazoria County Groundwater Conservation District . Oil and Gas Production Causes Subsidence, Wetlands Loss, and Flooding Last week, some of our Board of Directors and District Staff visited areas that have historically been affected by subsidence and toured important projects that have been implemented to prevent further subsidence in the Houston area. =3R{;vBbh *J2q!Ol] 5rR(T/hgb(0XY g;}HcBei3Wbhq+(MH9DX0ayqQ^\I:v@|\S$N=fV(~'|Wo+p&O%b Harris-Galveston Subsidence District; Fort Bend Subsidence District; . Harris County MUD 501 purchases its water supply from Harris County Municipal Utility District 500, which purchases surface water from the Authority. 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. endstream endobj 191 0 obj <>stream Harris County Sheriffs Office water-level altitude data at observation wells in the Houston-Galveston Region. Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. Regional water-level change maps were constructed by interpreting the compiled water-level altitude data A resident of the Houston area since 2011, Vanessa began working in community . Depth to Groundwater Measured from Wells Completed in the Chicot These units operate in conjunction with the two that have been monitoring land levels in Montgomery County for more than 10 years. 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. 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. If you are passionate about water conservation, education, collaboration, and making a positive impact on your community, we invite you to apply today! 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. Surface water shift through $381M Luce Bayou Project keeps homes limits of Houston, Land subsidence is the gradual lowering of land-surface elevation. Science and Research - Fort Bend Subsidence District (FBSD) - Fort Bend This is accomplished through the careful regulation of groundwater withdrawals, working in collaboration with surface water suppliers. For detailed information on the processing methodology, please refer to https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. 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. 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. Since 1977, the USGS Texas Water Science Gulf Coast Program has published regional groundwater maps for 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 In the event of an emergency, please dial 9-1-1. 1985: Divided into 8 regulatory areas by amount of groundwater reduction needed. HGSD Financial Information including Budgets, Annual Audits, and Financial Reports. 2001: Established by the Texas State Legislature. 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. 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. 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. =*-SRIbI -|tdAl` Q ka+dzLp[fAh/tGp7=>>q[y,Nz Ma Reduces the ability to store water in an aquifer. 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. 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. Creation year: 2003 (approved by Brazoria County voters in 2005). 1 0 obj 1045, 1989 Tex. Board Conventional Measurement Method, Borehole Extensometers, GPS, and Measuring Subsidence in the Future. feet of subsidence had occurred in the Houston-Galveston region. Brazoria County Groundwater Conservation District, Newsroom - Harris County, Texas 2005: Established by the Texas State Legislature. water-level altitude and regional water-level change contour map can be found in the individual year Land subsidence is sinking of the land surface, caused by compressing the many layers of clay beneath the surface. Pay Your Tax Bill Online Since the mid 1970s, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. Purpose: To manage groundwater withdrawal and enforce groundwater regulation throughout Harris and Galveston counties, in hopes of preventing the land subsidence that leads to increased flooding.. Groundwater Conservation District and, most recently, Brazoria County Groundwater Conservation District 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. 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. 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. The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. Harris-Galveston Subsidence District Meeting Agendas, Minutes and Hearing Notices. Principal faults in the Houston, Texas, metropolitan area - USGS 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. Understanding subsidence in the Houston-Galveston region reduce groundwater withdrawals in Harris and Galveston Counties. 1975: Established by Texas State Legislature. Creation year: 1975 (64th Texas Legislature). Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. Purpose: To manage groundwater withdrawal and enforce groundwater regulation within the district to prevent subsidence. Water-level altitudes 2017 and water-level changes in the Chicot - USGS Harris-Galveston Subsidence District | LinkedIn 5 0 obj Since it is not a GCD, HGSD participates in the activities of GMA 14 as an inter-local participant. 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. While some of the duties and goals are similar to those of groundwater conservation districts, Harris-Galveston . 229 0 obj <>stream 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. Click here to read our blog about how it could be addressed with a new USGS subsidence mapping tool. as the difference in water-level altitude at each well for the water-level data collection year and the Fort Bend Subsidence District (FBSD) - Fort Bend County, Texas Water supply evaluation and population projections are underway. Additionally, the US Geological Survey (USGS) has begun work on the GULF-2023 model, with an anticipated completion date in the fall of 2021. 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. Harris-Galveston Subsidence District reposted this, Mitigation of human-induced land subsidence starts with the regulation of resource extractions. Search form lists all water wells with a HGSD permit in a given area.