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Phone: 281-342-3273 HGSD works closely with State and Federal agencies to foster collaboration and improve governmental efficiency. In 2021, kriging, a geostatistical interpolation method, was 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. %N_yuJlv\DxD"`UIci+QV8F,P"iRNd[U]4#8T&2m4=oCgq! This dataset was created to provide resource managers, public officials . Though subsidence rates are moderate in Fort Bend county, the continued heavy dependence of groundwater use may result in increased subsidence and associated impacts such as flooding and infrastructure damage. Harris County MUD 501 purchases its water supply from Harris County Municipal Utility District 500, which purchases surface water from the Authority. 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. Harris County MUD 501 is located within the boundaries of the Authority. The Science and Research Plan is designed to be a dynamic document with the intention to provide clarity to the strategic direction of the District and guidance to future science and research priorities in support of the District Regulatory Plan. Request for Qualifications and other important information related to doing business with the Harris-Galveston Subsidence District. Activities The primary aquifers in the Gulf Coast aquifer system in the Houston-Galveston region are the 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. Learn about Land Subsidence in Houston, Galveston and surrounding areas. 1975: Established by Texas State 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. Creation year: 2001 (77th Texas Legislature). For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. 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. This site is a publicly available, searchable, online database of water information. Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. Explore Groundwater-Level and Compaction Data in the Chicot, Evangeline and Jasper Aquifers. Subsidence regulation districts and their creation timeline The Harris-Galveston Coastal Subsidence District. 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). Neighbors. This process is crucial to prevent buildings from flooding. Annual Groundwater Report, Cumulative Compaction of Subsurface Sediments, Regional Groundwater Update and more. In addition, they involve local communities by education and outreach programs to underscore the importance of water conservation, such as publishing an interactive viewer with GPS land subsidence monitoring stations (shown below). % Subsidence Risk Assessment and Regulatory Considerations for the Brackish Jasper Aquifer. accurate land-surface altitude data available at the time of publication were used in the creation of #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. Data were compiled and multiple hydrologic parameters were utilized to improve the understanding of the brackish resources within the study area. The District enjoyed visiting the Houston Museum of Natural Science at Sugar Lands newest attraction, Ocean Bound: A Deep Dive Into the Science of How Water Flows. This interactive exhibit provides a look into how actions on land can impact water and even has an area designated for learning more about groundwater and subsidence. 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. 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. 9 were here. larger image. GENERAL PROVISIONS Sec.A8801.001.AADEFINITIONS. 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. resulting in subsidence. We are hiring a Deputy General Manager Fort Bend Operations to join our executive leadership team. 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. 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. Land subsidence is sinking of the land surface, caused by compressing the many layers of clay beneath the surface. Subsidence is known to have occurred in the southern part of Montgomery County based on monitoring and long-term surveying of land surface. The Texas Alliance of Groundwater Districts supports Texas groundwater conservation districts and their efforts to conserve, preserve, and protect Texas groundwater. The District uses exceptional scientific research to ensure the best available technology and approaches are considered with respect to water management and subsidence monitoring. 5 0 obj 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. 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 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. Grant opportunities to implement projects that help reduce water use in the HGSD Regulatory Areas. 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. 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. Fort 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. 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. Trash Harris-Galveston Subsidence District in Boydton, VA Expand search. users to view annual water-level altitudes, water-level changes over time, and historical time series of water levels in the aquifer were declining with associated depressuring, dewatering, and compaction The Harris-Galveston Subsidence District maintains GPS monitoring stations in Harris, Galveston, Fort Bend and surrounding counties. o35d8\,=R/.Y2xTE@;jj?4/gh?D$U2;MrpF&tMF6h-|l-:nSzC~ ER5knSP" zXyY/mY|{mm}x"S8K~"UILrD> 1989: Established by the Texas State Legislature. HGSD is divided into three regulatory areas stretching from High Island and Galveston upwards to Hempstead, TX. HGSD has the goal of reducing the area to 20% reliance on groundwater by 2035 and managing water to promote . City established the Fort Bend Subsidence District and two groundwater conservation districts: Lone Star Ground-Water Withdrawals and Land-Surface Subsidence in the Houston-Galveston Region, Texas, 1906-80: R-286: 4/1/1984: TWDB numbered report: region since the early 1900s. The Harris-Galveston Subsidence District (District) is a special purpose district created by the Texas Legislature in 1975. Click here for more information about the Authority. Groundwater withdrawn from the Chicot-Evangeline and Jasper aquifers has been the primary source of (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. The University of Houston processes the GPS data. On our last stop, we toured theCity of Houstons Northeast Water Purification Plant Expansion. 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. 1992: Regulatory areas redivided into 7 areas. Purpose: To preserve, conserve and protect Montgomery Countys groundwater supplies. . 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. The RGUP was jointly supported by the Harris-Galveston Subsidence District, the Fort Bend Subsidence District, and the Lone Star Groundwater Conservation District. 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. 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. Datasets of water-level changes and altitudes in the Chicot, Evangeline, and Jasper aquifers. 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 Subsidence Districts jurisdiction, including the land within Harris County MUD 501. By Vanessa Holt. 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. The U.S. Geological Survey (USGS) prepared this dataset in cooperation with the HarrisGalveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District. Now hiring a Deputy General Manager for Fort Bend Operations. 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. 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. 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). For detailed information on the processing methodology, please refer to https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. In collaboration with Galveston Bay Foundation and Texas A&M Agrilife Extension Service, HGSD . Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits Houston-Galveston area in order to develop a regional depiction of groundwater levels. 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. Numerous subsurface faults have been documented beneath the Houston metropolitan area at depths of 3,200 to 13,000 feet. University of Houston . Elections 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 . To learn how to submit your report online, check out our instructional video! Fax: 281-232-3355. 0 Damages roadways, bridges, building foundations, and other infrastructure. The District was created to provide for the regulation of groundwater . <>stream By 1977, the withdrawals had resulted in water-level altitude declines of 350 feet below datum in the 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. Learn about the District's water conservation programs and tools, Get local watering recommendations based off data from the District's weather stations. endobj 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.