harris galveston subsidence districtharris galveston subsidence district

Brazoria County Groundwater Conservation District, Lone Star Groundwater Conservation District. 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. 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. 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. 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. 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 . These efforts have identified and . <>stream Legislature authorized the establishment of the Harris-Galveston Subsidence District to regulate and zAG2U&8?fU@. The goal was to keep the region elevated by developing ways to reduce groundwater consumption.. Purpose: To preserve, conserve and protect Montgomery Countys groundwater supplies. 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. (4) "Groundwater" means water located beneath the earth's surface. water below land surface) from the referenced well land-surface altitude. Water-level altitude is calculated at each well by subtracting the water-level measurement (depth to 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. The District was created to provide for the regulation of groundwater . Gen. Laws 4251). `c331vf2~+kRbs "cX1K3H3200 iy@Se! g= v24Wf\+p7Ak@Q(lCJ'$6(kKa FdbT41l1Y$k@*nx(7TK6A9. LX 0o9 'c* _Kq3b2'T9I?. The development of brackish groundwater resources has become a more common water management strategy in the State of Texas. One of the primary concerns of subsidence in the coastal regions is flooding due to storm surges associated with hurricanes, where permanent seawater inundation and periodic storm water surge can dramatically impact property. Harris-Galveston Subsidence District, the Water-level change in the Gulf Coast Aquifer, 1977 to 2018. This site is a publicly available, searchable, online database of water information. . Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. Fort 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. each regional water-level altitude map. Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. 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. For detailed information on the processing methodology, please refer to https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. #Hiring J.M:xo[q]omJdI Wf@M|$ot-MB@V5J SDh!!FwTtd\#\v?T{DJo"DfTFaF.%I\J'3@$;k 8f 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. Chicot-Evangeline aquifer in southeastern Harris County, and correspondingly, by 1979, as much as 10 Numerous subsurface faults have been documented beneath the Houston metropolitan area at depths of 3,200 to 13,000 feet. HVMs9W(GEU nQ,bb]4vb3Z_lW=zl%{O;\o%{ebEw According to the Harris-Galveston Subsidence District (HGSD), land subsidence is the sinking of the earth's surface due to subsurface (underground) movements. Land subsidence occurs when large amounts of groundwater have been excessively withdrawn from an aquifer. Data were compiled and multiple hydrologic parameters were utilized to improve the understanding of the brackish resources within the study area. Elections She earned her Bachelor's degree in Biology and Environmental Studies from Baylor University and her . Creation year: 1975 (64th Texas Legislature). Most compaction that occurs as a result of groundwater withdrawals is irreversible; even if groundwater 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. Created by the Texas Legislature in 1975 to stop further subsidence in the Houston-Galveston region. Significant brackish groundwater resources exist within the Gulf Coast Aquifer System near Houston, Texas in Harris, Galveston, Fort Bend, and surrounding counties. Harris County MUD 501 is located within the boundaries of the Authority. Evaluation of Projected Population and Water Demands in Fort Bend County. Pay Your Tax Bill Online 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. Harris County Sheriffs Office Surface water rates dropped from $5.05 to $4.55, and the groundwater pumpage fee went from $4.60 to $4.10 per . 1985: Divided into 8 regulatory areas by amount of groundwater reduction needed. 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. Neighbors. water levels in the aquifer were declining with associated depressuring, dewatering, and compaction 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. Additionally, the US Geological Survey (USGS) has begun work on the GULF-2023 model, with an anticipated completion date in the fall of 2021. https://lnkd.in/gZKAs__D. 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. 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. 2 0 obj HGSD is governed by a board composed of 19 directors appointed by mayors and entities withing HGSD boundaries. Harris-Galveston Subsidence District Meeting Agendas, Minutes and Hearing Notices. Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. This district was created because area . The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. 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. Newsletters as the difference in water-level altitude at each well for the water-level data collection year and the This button displays the currently selected search type. Click here to view information and publications from USGS about groundwater and subsidence on the Texas Gulf Coast. Lone Star Groundwater Conservation District, Brazoria County Groundwater Conservation District, Fort 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. region since the early 1900s. Reduces the ability to store water in an aquifer. 1045, 1989 Tex. Creation year: 1975 (64th Texas Legislature). HARRIS GALVESTON SUBSIDENCE DISTRICT TESTIMONY TO COMMITTEE ON COUNTY AFFAIRS 2. December 1, 2020. 186 0 obj <> endobj Contact Information; District Website; Legislation House Bill 552; Chapter 284, 64th Legislature, 1975; Request for Qualifications and other important information related to doing business with the Harris-Galveston Subsidence District. Trash HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. The Texas Alliance of Groundwater Districts supports Texas groundwater conservation districts and their efforts to conserve, preserve, and protect Texas groundwater. Conventional Measurement Method, Borehole Extensometers, GPS, and Measuring Subsidence in the Future. A report by: David B. Zilkoski, Lucy W. Hall, Gilbert J. Mitchell, Vasanthi Kammula, Ajit Singh, William M. Chrismer, and Ronald J. 5 0 obj Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. =3R{;vBbh *J2q!Ol] 5rR(T/hgb(0XY g;}HcBei3Wbhq+(MH9DX0ayqQ^\I:v@|\S$N=fV(~'|Wo+p&O%b V(&xH:1dxB0"5Cu)edL9x2Z~Q`&1R`oC1NTEGxfP8QMiuy6T8-%HI Y{*,t wBh# 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. The RGUP was jointly supported by the Harris-Galveston Subsidence District, the Fort Bend Subsidence District, and the Lone Star Groundwater Conservation District. You can also view water levels by visiting the Lone Star Static Well Level Monitoring Network Map. compaction data. 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. 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. Interpolated modeled water-level altitude surfaces were only used to compute differences when wells were Annual Groundwater Report, Cumulative Compaction of Subsurface Sediments, Regional Groundwater Update and more. The accuracy of the referenced well land-surface altitude data has improved through time and the most 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. The Harris-Galveston Subsidence District (District) is a special purpose district created by the Texas Legislature in 1975. Purpose: To manage groundwater withdrawal and enforce groundwater regulation within the district to prevent subsidence. 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. Regional water-level change maps were constructed by interpreting the compiled water-level altitude data Now on its fifth iteration since 1976, the plan describes the different regulatory areas throughout the district, defines groundwater withdrawal limits for each area, and provides guidelines for permitting. 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. %PDF-1.3 Harris-Galveston Subsidence Districts main mechanism of regulation is through its regulatory plan, with requirements laid out in the districts enabling legislation. HGSD is divided into three regulatory areas stretching from High Island and Galveston upwards to Hempstead, TX. 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. Contact Us. Deputy General Manager Fort Bend Operations, Now Hiring! 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. 2017 Annual Groundwater Report Final Approved (Revised 2.0). After collecting and evaluating groundwater-level data for quality control, data are incorporated into a collection year and the interpolated water-level altitude of the historic year from a modeled surface. https://lnkd.in/gkwTtcAZ. HGSD works closely with State and Federal agencies to foster collaboration and improve governmental efficiency. o35d8\,=R/.Y2xTE@;jj?4/gh?D$U2;MrpF&tMF6h-|l-:nSzC~ ER5knSP" zXyY/mY|{mm}x"S8K~"UILrD> Land Subsidence. Brazoria County Groundwater Conservation District . Harris-Galveston Subsidence District, Fort Bend Subsidence District, and the USGS are working closely with the Texas Water Development Board to ensure that the GULF-2023 model will be available as a regional tool for GMA 14 to provide the best science and planning information for the region. Bend County Subsidence District, Lone resulting in subsidence. 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. Lone Star GCD is working with the Subsidence District to make the newer stations available online. 1975: Established by Texas State Legislature. This model will provide valuable information to inform the regulatory decision-making of the HGSD and FBSD. Water demands were projected . Entdecke 1976 Pressefoto Charles "Chuck" R. Bowcock, Harris-Galveston Kstensenkung in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Harris-Galveston Subsidence District Permitting Portal Fort Bend Subsidence District Permitting Portal Please use one of these links to reach to the appropriate Permitting Portal. %%EOF 2005: Established by the Texas State Legislature. Southeast Texas Groundwater Conservation District; Other Districts. This dataset documents for 2018 the depth to groundwater measured in wells screened in the Chicot, Evangeline, and Jasper aquifers in the HoustonGalveston region, Texas. Alternative water sources, like treated surface water, prevents excessive groundwater pumping, thereby minimizing subsidence. 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 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 . Land subsidence is sinking of the land surface, caused by compressing the many layers of clay beneath the surface. The primary aquifers in the Gulf Coast aquifer system in the Houston-Galveston region are the 1700 North Congress Avenue, Austin, TX 78701TEL: 512-463-7847 / FAX: 512-475-2053, Panhandle Groundwater Conservation District, Panola County Groundwater Conservation District, Pecan Valley Groundwater Conservation District, Permian Basin Underground Water Conservation District, Pineywoods Groundwater Conservation District, Plateau Underground Water Conservation and Supply District, Post Oak Savannah Groundwater Conservation District, Prairielands Groundwater Conservation District, Presidio County Underground Water Conservation District, Real-Edwards Conservation and Reclamation District, Red River Groundwater Conservation District, Red Sands Groundwater Conservation District, Reeves County Groundwater Conservation District, Refugio Groundwater Conservation District, Rolling Plains Groundwater Conservation District, Rusk County Groundwater Conservation District, San Patricio County Groundwater Conservation District, Sandy Land Underground Water Conservation District, Santa Rita Underground Water Conservation District, Saratoga Underground Water Conservation District, South Plains Underground Water Conservation District, Southeast Texas Groundwater Conservation District, Southern Trinity Groundwater Conservation District, Southwestern Travis County Groundwater Conservation District, Starr County Groundwater Conservation District, Sterling County Underground Water Conservation District, Sutton County Underground Water Conservation District, Terrell County Groundwater Conservation District, Trinity Glen Rose Groundwater Conservation District, Upper Trinity Groundwater Conservation District, Uvalde County Underground Water Conservation District, Victoria County Groundwater Conservation District, Wes-Tex Groundwater Conservation District, Wintergarden Groundwater Conservation District, Asset Management Program for Small Systems, State Water Implementation Fund for Texas (SWIFT), Guidance & References for Online Loan Application, State Water Implementation Fund for Texas, 6th Planning Cycle Information (2026 RWPs), 2021 Regional Water Plans & Previous Plans, Regional Water Planning Data Entry Application (RWP22) Training, District Information (O-Z and Other Districts), Extended Naturalize Flow and Reservoir Evaporation, Flood Planning Useful Links and Resources, Drought Response and Financial Assistance, Water Conservation Plan ~ Utility Profile, Historical Water Loss Audit and Conservation Annual Report Data, Industrial, Commercial & Institutional (ICI), Permanent Rules - Effective January 1, 2019, Brackish Resources Aquifer Characterization System, Notice of Nondiscrimination and Reasonable Accommodation, Texas Natural Resources Information System (TNRIS), Texas Water Infrastructure Coordination Committee (TWICC), District was created by Petition to the Texas State Board of Water Engineers, 1955, (formerly Martin County Underground Water Conservation District), (formerly Haskell/Knox County Underground Water Conservation District). The Harris-Galveston Subsidence District is a special purpose district created by the Texas Legislature in 1975. 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. endstream endobj startxref Managing how groundwater resources are used is key to controlling subsidence. 1976: First regulatory area (Area of Concentrated Emphasis, ACE) established. 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. Learn about the District's water conservation programs and tools, Get local watering recommendations based off data from the District's weather stations. The Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. Get regular updates on Lone Star Groundwater Conservation District. 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 cumulative compaction in the Chicot-Evangeline undifferentiated aquifer is measured at 13 Alters the flow of creeks and bayous which may increase the frequency and severity of flooding. It has since been turned into the Baytown Nature Center. Subsequent to establishing the Harris-Galveston Subsidence District, the Texas State Legislature Since the creation of the GMA, HGSD has provided information, research, and financial support to the GMA process. 1 of 3. Then, use either Enter or Space key to open the selected district. Since its creation, subsidence rates have slowed greatly. In the event of an emergency, please dial 9-1-1. 1999: Regulatory areas converted into 3 primary areas. Register a well, permit applications, renewals, and amendments. Board extensometer stations in the 11-county area. Harris-Galveston Subsidence District wishes you and your loved ones a safe and happy holiday season! Purpose: To maintain the quality and availability of Brazoria Countys groundwater resources for current users and future generations. All Rights Reserved Harris-Galveston Subsidence District. 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. The Deputy General Manager serves as the Chief Operating Officer of the Fort Bend Subsidence District and provides the day-to-day leadership, management and vision necessary to ensure that the District has the proper operational controls, administrative and reporting procedures, and people systems in place to effectively complete . City Harris-Galveston Subsidence District; Fort Bend Subsidence District; . Further information detailing the data processing and map creation for each published regional their jurisdiction. Phone: 281-342-3273 endstream endobj 191 0 obj <>stream 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). In addition to regulation, the district also conducts research to enhance its understanding of the Upper Gulf Coast aquifer to better manage subsidence. 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 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 GULF-2023 model is a new $588,000 endeavor jointly funded by the HGSD and FBSD, in cooperation with USGS. Activities In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays) 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. 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. 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. adopted as an effective alternative to manual contour interpolation. For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. Fort Bend Subsidence District Some natural land subsidence also occurs over long periods of time, due to natural settling. The District uses exceptional scientific research to ensure the best available technology and approaches are considered with respect to water management and subsidence monitoring. Pay Your Water Bill (3) "District" means the Harris-Galveston Subsidence District. Learn more: https://lnkd.in/gtXuURxS. Subsidence regulation districts and their creation timeline The Harris-Galveston Coastal Subsidence 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 . 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. Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits reduce groundwater withdrawals in Harris and Galveston Counties. larger image. These units operate in conjunction with the two that have been monitoring land levels in Montgomery County for more than 10 years. of Houston, Establishes policy regarding groundwater regulation withdrawals to control subsidence. The district implemented their first groundwater regulatory plan in 1976. The Harris-Galveston Subsidence District, created in 1975, was the first of these districts. For almost 50 years, they have been collecting, storing, and sharing data on groundwater abstraction and resulting surface lowering.
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