You can view research studies, model information, and interactive maps under the Science & Research tab of the HGSD website. region since the early 1900s. When expanded it provides a list of search options that will switch the search inputs to match the current selection. The cumulative compaction in the Chicot and Evangeline aquifers are measured at 13 extensometer stations in the 11-county area. 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. Harris-Galveston Subsidence District, the 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. The District was created to provide for the regulation of groundwater withdrawal. the Houston-Galveston Region, Texas. Harris County MUD 501 is located within the boundaries of the Authority. HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. Available job opportunities with Harris-Galveston Subsidence Distrcit. In 2021, kriging, a geostatistical interpolation method, was Prior to 1975, the withdrawal of groundwater from the Chicot-Evangeline aquifer was unregulated, and Harris County Sheriffs Office An overview of the Harris-Galveston Subsidence District permitting process and fees. This model will provide valuable information to inform the regulatory decision-making of the HGSD and FBSD. 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. (3) "District" means the Harris-Galveston Subsidence District. Learn about the District's water conservation programs and tools, Get local watering recommendations based off data from the District's weather stations. The new intake pump station will draw water from Lake Houston and, upon completion of the water treatment facility, will be able to provide 320 million gallons of treated water per day. It has since been turned into the Baytown Nature Center. }D?|=X'W|pqe'p]x/ 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. 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. %N_yuJlv\DxD"`UIci+QV8F,P"iRNd[U]4#8T&2m4=oCgq! The Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. The purpose of this report is to summarize the results of the Regional Groundwater Update Project (RGUP). 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. Deputy General Manager Fort Bend Operations, Now Hiring! Ground-Water Withdrawals and Land-Surface Subsidence in the Houston-Galveston Region, Texas, 1906-80: R-286: 4/1/1984: TWDB numbered report: 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. 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. The University of Houston processes the GPS data. 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. 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.. Over the last century, aquifers in this area have lost between 300 and 400 feet, leaving some of the land to collapse. HARRIS-GALVESTON SUBSIDENCE DISTRICT SUBCHAPTER A. Since the creation of the GMA, HGSD has provided information, research, and financial support to the GMA process. 2017 Annual Groundwater Report Final Approved (Revised 2.0). 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. Information about the Management team at the Harris-Galveston Subsidence District. 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. 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. Brazoria County Groundwater Conservation District, Lone Star Groundwater Conservation District. Lone Star Groundwater Conservation District - Phase 3 Site-Specific Subsidence Investigations (December 12, 2022), Lone Star Groundwater Conservation District - Phase 2 Subsidence Investigations (January 26, 2022), Subsidence Study Phase 2 Final Report (as approved on May 10, 2022), Subsidence Study Phase 2 Task 1 and Task 2 Draft Report, Subsidence Study Phase 2 Scope of Work (as approved on April 13, 2021), Subsidence Study Phase 1 Final Report (as approved on August 11, 2020), Subsidence Study Phase 1 Draft Final Report (pending Board approval on August 11, 2020). Contact information for the Harris-Galveston Subsidence District. 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. feet of subsidence had occurred in the Houston-Galveston region. Brazoria County Groundwater Conservation District, #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. Now hiring a Deputy General Manager for Fort Bend Operations. According to the Harris-Galveston Subsidence District (HGSD), land subsidence is the sinking of the earth's surface due to subsurface (underground) movements. Water-level altitude, well, and compaction data have been combined in an interactive map that allows 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. Interpolated modeled water-level altitude surfaces were only used to compute differences when wells were By 1977, the withdrawals had resulted in water-level altitude declines of 350 feet below datum in the This dataset was created to provide resource managers, public officials . 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. Creation year: 1975 (64th Texas Legislature). Additionally, the US Geological Survey (USGS) has begun work on the GULF-2023 model, with an anticipated completion date in the fall of 2021. 1 of 3. It is the purpose of the HGSD Regulatory Plan to establish policy in the area of groundwater regulation, permits and enforcement. HGSD is divided into three regulatory areas stretching from High Island and Galveston upwards to Hempstead, TX. The Harris-Galveston Subsidence District is a special purpose district created by the Texas Legislature in 1975. water levels in the aquifer were declining with associated depressuring, dewatering, and compaction % Click here to view information and publications from USGS about groundwater and subsidence on the Texas Gulf Coast. HARRIS GALVESTON SUBSIDENCE DISTRICT TESTIMONY TO COMMITTEE ON COUNTY AFFAIRS 2. <> 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 . 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. Subsequent to establishing the Harris-Galveston Subsidence District, the Texas State Legislature 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. 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. Star Groundwater Conservation District, and Community Request for Qualifications and other important information related to doing business with the Harris-Galveston Subsidence District. Managing how groundwater resources are used is key to controlling subsidence. Harris-Galveston Subsidence District reposted this, Mitigation of human-induced land subsidence starts with the regulation of resource extractions. water below land surface) from the referenced well land-surface altitude. For almost 50 years, they have been collecting, storing, and sharing data on groundwater abstraction and resulting surface lowering. Want to learn more about how subsidence has impacted this region? Legislature authorized the establishment of the Harris-Galveston Subsidence District to regulate and For more information, or to learn how to submit your report online, visit: https://lnkd.in/gSz5XemV. In cooperation with The district implemented their first groundwater regulatory plan in 1976. Water Conservation Program Coordinator, 2022 Annual Groundwater Report Public Hearing Notice, 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 . 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. To learn how to submit your report online, check out our instructional video! 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. 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 . Harris County MUD 501 purchases its water supply from Harris County Municipal Utility District 500, which purchases surface water from the Authority. These sites are being cooperatively run and operated by the following agencies. This process is crucial to prevent buildings from flooding. Application for Groundwater Certificate Replacement, and Acknowledgment of District Regulatory Requirements. In addition HGSD provides water conservation, education, and outreach programs to underscore the importance of water conservation in the community. On our last stop, we toured theCity of Houstons Northeast Water Purification Plant Expansion. 9 were here. endstream endobj 190 0 obj <>stream Land subsidence is sinking of the land surface, caused by compressing the many layers of clay beneath the surface. 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. Harris-Galveston Subsidence District in Boydton, VA Expand search. Alters the flow of creeks and bayous which may increase the frequency and severity of flooding. endobj The Texas Alliance of Groundwater Districts supports Texas groundwater conservation districts and their efforts to conserve, preserve, and protect Texas groundwater. ?Jj YV3YIi}SgQ)btH24[0PeU$'r-1[hBy"&aH@"F0Z1&N'f`^~D-ocr@:A /TG}]u9b l. adopted as an effective alternative to manual contour interpolation. Creation year: 1975 (64th Texas Legislature). EXECUTIVE SUMMARY: The Fort Bend Subsidence District (FBSD) revised its District Regulatory Plan (DRP) in 2013 based on population and water demand projections, which were developed as part of a Regional Groundwater Update Project (RGUP) completed in 2013. Subsidence can be an important issue in certain areas such as the Gulf Coast region. of Houston, In addition HGSD provides water conservation, education, and outreach programs to . Created by the Texas Legislature in 1975 to stop further subsidence in the Houston-Galveston region. 2005: Established by the Texas State Legislature. In addition, they involve local communities by education and outreach programs to underscore the importance of water conservation, such as publishing an interactive viewer with GPS land subsidence monitoring stations (shown below). All Rights Reserved Groundwater-level and compaction data are available as part of USGS data products. Contact Us. the U.S. Geological Survey Texas Water Science Center Gulf Coast Program collects, processes, and Click here for more information about the Subsidence District. Overview of the Harris-Galveston Subsidence District planning process. HVMs9W(GEU nQ,bb]4vb3Z_lW=zl%{O;\o%{ebEw hbbd```b``NA$EHD]c@$wX2$'u1fHY b On the first stop, we visited the Texas City Rainwater Pump Station, where Texas Citys Emergency Management team takes runoff rainwater from ditches in the area and pumps it into Moses Lake. Fort Bend Subsidence District Copyright 2023 The Texas Alliance of Groundwater Districts. 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. 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 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. 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. 0 =*-SRIbI -|tdAl` Q ka+dzLp[fAh/tGp7=>>q[y,Nz Ma https://lnkd.in/gZKAs__D. 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. 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 . <> Bend County Subsidence District, Lone Star Groundwater Conservation District. 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. By 1977, an extensive groundwater well-monitoring network had been established and the USGS had collected water-level data that were used to create the first published water-level altitude maps of the Chicot and Evangeline aquifers in the Houston-Galveston region. Groundwater Conservation District Information (O-Z and Subsidence Districts) For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. (4) "Groundwater" means water located beneath the earth's surface. Purpose: To manage groundwater withdrawal and enforce groundwater regulation within the district to prevent subsidence. %PDF-1.5 % A resident of the Houston area since 2011, Vanessa began working in community . Water-level altitude is calculated at each well by subtracting the water-level measurement (depth to Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. 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.
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