In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays) Harris-Galveston Subsidence District Joins the Winners' Circle. Groundwater-level and compaction data are available as part of USGS data products. When expanded it provides a list of search options that will switch the . Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. Creation year: 1975 (64th Texas Legislature). Harris Galveston Subsidence District | Friendswood TX - Facebook The development of brackish groundwater resources has become a more common water management strategy in the State of Texas. This button displays the currently selected search type. The purpose of this report is to summarize the results of the Regional Groundwater Update Project (RGUP). Depth to Groundwater Measured from Wells Completed in the Chicot and 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. 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. Lone Star GCD is working with the Subsidence District to make the newer stations available online. Contact Information; District Website; Legislation House Bill 552; Chapter 284, 64th Legislature, 1975; HGSD is governed by a board composed of 19 directors appointed by mayors and entities withing HGSD boundaries. 2017 Annual Groundwater Report Final Approved (Revised 2.0). v24Wf\+p7Ak@Q(lCJ'$6(kKa FdbT41l1Y$k@*nx(7TK6A9. LX 0o9 'c* _Kq3b2'T9I?. Contact information for the Harris-Galveston Subsidence District. All Rights Reserved. geographic information system (GIS) and used for the construction of regional water-level altitude and Chapter 8801. Harris-galveston Subsidence District in the Houston-Galveston region to provide for the regulation of groundwater withdrawals in areas within subarea, and area B. Legislature authorized the establishment of the Harris-Galveston Subsidence District to regulate and hmo0?:;T!AR~p!A+~g`e]rw>F "1T"@0D$L$!A!JyXUJsm\Ouu~o:p11G5r[U=w/ QdQUq] Subsidence regulation districts and their creation timeline The Harris-Galveston Coastal Subsidence District. Instead of losing a foot every 10 years, many . Regional water-level change maps were constructed by interpreting the compiled water-level altitude data The Harris-Galveston Subsidence District, created in 1975, was the first of these districts. When expanded it provides a list of search options that will switch the search inputs to match the current selection. region since the early 1900s. Data provided by the USGS. Chicot-Evangeline aquifer in southeastern Harris County, and correspondingly, by 1979, as much as 10 For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. 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. If you are passionate about water conservation, education, collaboration, and making a positive impact on your community, we invite you to apply today! Harris-Galveston Subsidence District; Fort Bend Subsidence District; . Managing how groundwater resources are used is key to controlling subsidence. 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. Water demands were projected . These efforts have identified and documented the susceptibility of land surface subsidence due to the production of groundwater in the Chicot and Evangeline aquifers. On our last stop, we toured theCity of Houstons Northeast Water Purification Plant Expansion. HGSD has the goal of reducing the area to 20% reliance on groundwater by 2035 and managing water to promote . In cooperation with The USGS has a long history of working with HGSD and other entities in the Houston region. 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. reduce groundwater withdrawals in Harris and Galveston Counties. Alters the flow of creeks and bayous which may increase the frequency and severity of flooding. Water-level altitudes 2016 and water-level changes in the Chicot - USGS <> 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. This is accomplished through the careful regulation of groundwater withdrawals, working in collaboration with surface water suppliers. Learn more: https://lnkd.in/gtXuURxS. %N_yuJlv\DxD"`UIci+QV8F,P"iRNd[U]4#8T&2m4=oCgq! Annual Groundwater Report, Cumulative Compaction of Subsurface Sediments, Regional Groundwater Update and more. each regional water-level altitude map. 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. 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. Star Groundwater Conservation District, and of gravel, sand, silt, and clay. Harris County Sheriffs Office endobj 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. According to the Harris-Galveston Subsidence District (HGSD), land subsidence is the sinking of the earth's surface due to subsurface (underground) movements. Harris County MUD 501 purchases its water supply from Harris County Municipal Utility District 500, which purchases surface water from the Authority. The District was created to provide for the regulation of groundwater withdrawal. USGS measures groundwater levels in over 700 wells in an 11-county area annually in the University of Houston . feet of subsidence had occurred in the Houston-Galveston region. 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. 2003: Regulatory areas divided into area A, which includes the Richmond-Rosenberg hgportal.subsidence.org - Permitting Portals These units operate in conjunction with the two that have been monitoring land levels in Montgomery County for more than 10 years. Fort Bend Subsidence District extensometer stations in the 11-county area. Significant brackish groundwater resources exist within the Gulf Coast Aquifer System near Houston, Texas in Harris, Galveston, Fort Bend, and surrounding counties. 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). The Harris-Galveston Subsidence District maintains GPS monitoring stations in Harris, Galveston, Fort Bend and surrounding counties. 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. Now Hiring! In order to evaluate the performance of the projection methodology which informed the 2013 DRP, the short-term projections from the RGUP have been evaluated against recent estimates of population and water demand from multiple sources at various geographic scales. 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. 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. 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. Subsidence Risk Assessment and Regulatory Considerations for the Brackish Jasper Aquifer. USGS | Gulf Coast Aquifer Subsidence historical year or as the difference in water-level altitude at each well for the water-level data Land Subsidence. 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 City To learn how to submit your report online, check out our instructional video! Contact Us. Numerous subsurface faults have been documented beneath the Houston metropolitan area at depths of 3,200 to 13,000 feet. Water demands were projected for individual water supply systems based on average per capita demands observed from 2000 to 2008. Land subsidence is the gradual lowering of land-surface elevation. A resident of the Houston area since 2011, Vanessa began working in community . Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. Houston-Galveston area in order to develop a regional depiction of groundwater levels. HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. Now hiring a Deputy General Manager for Fort Bend Operations. In addition to regulation, the district also conducts research to enhance its understanding of the Upper Gulf Coast aquifer to better manage subsidence. Get the latest news and updates from the Harris-Galveston Subsidence District. The Board meetings are typically held at 5:30 PM on the first Wednesday of the month at The Lakehouse at Towne Lake, 10000 Towne Lake Parkway, Cypress, Texas 77433. Harris-Galveston Subsidence District | The Texas Alliance of 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. The districts mission is to control land subsidence and manage groundwater resources through regulation, conservation, and coordination with suppliers of alternative water sources to assure an adequate quantity and quality of water for the future. 1989: Established by the Texas State Legislature. Some natural land subsidence also occurs over long periods of time, due to natural settling. . Explore Groundwater-Level and Compaction Data in the Chicot, Evangeline and Jasper Aquifers. 1 of 11. GULF-2023 Model Development & USGS Partnership. Water Conservation Program Coordinator, 2022 Annual Groundwater Report Public Hearing Notice, https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. 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. 1985: Divided into 8 regulatory areas by amount of groundwater reduction needed. She earned her Bachelor's degree in Biology and Environmental Studies from Baylor University and her . Register a well, permit applications, renewals, and amendments. 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. NHCRWA board approves historic water rate drop The Current: Fall 2022 | US EPA Prior to 1975, the withdrawal of groundwater from the Chicot-Evangeline aquifer was unregulated, and available to store water resulting in the lowering (sinking or settling) of the land-surface. ?Jj YV3YIi}SgQ)btH24[0PeU$'r-1[hBy"&aH@"F0Z1&N'f`^~D-ocr@:A /TG}]u9b l. %%EOF %PDF-1.5 % 1 of 3. 5 0 obj 1976: First regulatory area (Area of Concentrated Emphasis, ACE) established. Community Vision, Mission and Stategic Goals of the Harris-Galveston Subsidence District. 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. This district was created because area . 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. 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. 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. water below land surface) from the referenced well land-surface altitude. In addition HGSD provides water conservation, education, and outreach programs to . Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits water levels in the aquifer were declining with associated depressuring, dewatering, and compaction 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 . Next, we traveled to the infamous Brownwood Subdivision, which was abandoned due to substantial subsidence in the 1980s. PDF SPECIAL DISTRICT LOCAL LAWS CODE CHAPTER 8801. HARRIS-GALVESTON - Texas 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. Science and Research - Fort Bend Subsidence District (FBSD) - Fort Bend Richmond, TX 77469 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. By 1977, the withdrawals had resulted in water-level altitude declines of 350 feet below datum in the Gen. Laws 4251). In 2021, kriging, a geostatistical interpolation method, was 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. All Rights Reserved The Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. The GULF-2023 model is a new $588,000 endeavor jointly funded by the HGSD and FBSD, in cooperation with USGS. For the Jasper aquifer, primarily used in Montgomery County, water levels have continued to decline with development in the area., Click here to read our blog about how it could be addressed with a new USGS subsidence mapping tool, first published water-level altitude maps, The Harris-Galveston Coastal Subsidence District, The Lone Star Groundwater Conservation District, The Brazoria County Groundwater Conservation District, Its time for a water session at the Legislature, Texas is Losing an Average of Over 50 Gallons of Water Per Connection Every Day, Key Solutions to Texas Water Woes Are Simpler Than We Think. Request for Qualifications and other important information related to doing business with the Harris-Galveston Subsidence District. By Vanessa Holt. 229 0 obj <>stream Since it is not a GCD, HGSD participates in the activities of GMA 14 as an inter-local participant. 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.
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