harris galveston subsidence districtharris galveston subsidence district

HGSD lies within the boundaries of Groundwater Management Area 14 (GMA 14). Board 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. 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. hmo0?:;T!AR~p!A+~g`e]rw>F "1T"@0D$L$!A!JyXUJsm\Ouu~o:p11G5r[U=w/ QdQUq] 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. 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. 2019 Annual Groundwater Report Appendix A, 2019 Annual Groundwater Report Appendix B, 2019 Annual Groundwater Report Appendix C. Pursuant to Fort Bend Subsidence District (the District or FBSD) Resolution No. Created by the Texas Legislature in 1975 to stop further subsidence in the Houston-Galveston region. <> 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. According to the Harris-Galveston Subsidence District (HGSD), land subsidence is the sinking of the earth's surface due to subsurface (underground) movements. Want to learn more about how subsidence has impacted this region? The RGUP was jointly supported by the Harris-Galveston Subsidence District, the Fort Bend Subsidence District, and the Lone Star Groundwater Conservation District. Harris County MUD 501 purchases its water supply from Harris County Municipal Utility District 500, which purchases surface water from the Authority. 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. 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 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). Extensometers and Subsidence. Since 1977, the USGS Texas Water Science Gulf Coast Program has published regional groundwater maps for Used by HGSD as guides in the exercise of the powers in the accomplishment of the purposes of Special Districts Code. 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. Groundwater-level and compaction data are available as part of USGS data products. The District was created to provide for the regulation of groundwater withdrawal. In the event of an emergency, please dial 9-1-1. 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 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. endstream endobj 190 0 obj <>stream Water-level change in the Gulf Coast Aquifer, 1977 to 2018. the U.S. Geological Survey Texas Water Science Center Gulf Coast Program collects, processes, and Subsidence is known to have occurred in the southern part of Montgomery County based on monitoring and long-term surveying of land surface. 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. 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. Lone Star Groundwater Conservation District, Brazoria County Groundwater Conservation District, Fort accurate land-surface altitude data available at the time of publication were used in the creation of Land subsidence is the gradual lowering of land-surface elevation. Harris County MUD 501 is located within the boundaries of the Authority. 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 In cooperation with Harris-Galveston Subsidence District; Fort Bend Subsidence District; . The Texas Alliance of Groundwater Districts supports Texas groundwater conservation districts and their efforts to conserve, preserve, and protect Texas groundwater. It is the purpose of the HGSD Regulatory Plan to establish policy in the area of groundwater regulation, permits and enforcement. In addition HGSD provides water conservation, education, and outreach programs to . Fax: 281-232-3355. Pay Your Tax Bill Online The goal was to keep the region elevated by developing ways to reduce groundwater consumption.. 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. 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. Community In collaboration with Galveston Bay Foundation and Texas A&M Agrilife Extension Service, HGSD . 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. Removing water from fine-grained aquifer sediments compresses the aquifer leaving less pore space available to store water resulting . The District has taken a reasonable approach to groundwater regulation in order to minimize subsidence within its regulatory areas. 2001: Established by the Texas State Legislature. 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. 1989: Established by the Texas State Legislature. Overview of the Harris-Galveston Subsidence District planning process. 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. 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. Regular, precise, automated readings are taken of the elevation of the ground at locations throughout the county. historical year or as the difference in water-level altitude at each well for the water-level data Removing water from fine-grained aquifer sediments compresses the aquifer leaving less pore space The U.S. Geological Survey, in cooperation with the Harris Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Brazoria County Groundwater Conservation District, and Lone Star Groundwater Conservation District, has produced this dataset of water-level changes and approximate water-level altitudes in the Chicot, Evangeline, and Jasper aquifers in the Houston-Galveston region, Texas. Water demands were projected for individual water supply systems based on average per capita demands observed from 2000 to 2008. 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. %%EOF Land subsidence is sinking of the land surface, caused by compressing the many layers of clay beneath the surface. An overview of the Harris-Galveston Subsidence District permitting process and fees. 1 of 11. Up to 2020, regional water-level altitude maps were created by manually interpolating contours of water-level altitude data at observation wells in the Houston-Galveston Region. This district was created because area . % HGSD works closely with State and Federal agencies to foster collaboration and improve governmental efficiency. ?Jj YV3YIi}SgQ)btH24[0PeU$'r-1[hBy"&aH@"F0Z1&N'f`^~D-ocr@:A /TG}]u9b l. Annual Groundwater Report, Cumulative Compaction of Subsurface Sediments, Regional Groundwater Update and more. Both surface water and groundwater rates were reduced by $0.50 per 1,000 gallons. 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. In addition to regulation, the district also conducts research to enhance its understanding of the Upper Gulf Coast aquifer to better manage subsidence. Information about the Management team at the Harris-Galveston Subsidence District. Alters the flow of creeks and bayous which may increase the frequency and severity of flooding. 1999: Regulatory areas converted into 3 primary areas. Land subsidence is the gradual lowering of land-surface elevation. Conventional Measurement Method, Borehole Extensometers, GPS, and Measuring Subsidence in the Future. 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. Harris County MUD 501 is within the boundaries of the Harris Galveston Subsidence District (the Subsidence District) which regulates groundwater withdrawal. 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. Water supply evaluation and population projections are underway. They have successfully slowed-down land subsidence, decreased flood risks, and overall maintained the viability of the area. This button displays the currently selected search type. <>stream 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 . After successfully implementing InSAR mapping in the Houston-Galveston region in 2019, this new project will harness the complimentary capabilities of the Subsidence Districts subsidence monitoring network and SAR imagery to develop these historical deformation maps. water levels in the aquifer were declining with associated depressuring, dewatering, and compaction Annual Pumpage Reports are due by January 31, 2023. zAG2U&8?fU@. Harris-Galveston Subsidence District, the their jurisdiction. In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays) Newsletters Report Street Light Outage USGS measures groundwater levels in over 700 wells in an 11-county area annually in the Data provided by the USGS. When we pump large amounts of groundwater from the aquifers beneath us, we pull water out of the many layers of clay, which can cause the clay to compact. HVMs9W(GEU nQ,bb]4vb3Z_lW=zl%{O;\o%{ebEw Available job opportunities with Harris-Galveston Subsidence Distrcit. 1976: First regulatory area (Area of Concentrated Emphasis, ACE) established. Since it is not a GCD, HGSD participates in the activities of GMA 14 as an inter-local participant. )|#.`/D;WcM0z,B] mXU+^yZ!9K254cC.(WjoFgpK1EpvgoV "H7 OKQ:kHLa`Z=Hmm'rh`:Qfb5.!H{ 6+sBQ Explore Groundwater-Level and Compaction Data in the Chicot, Evangeline and Jasper Aquifers. 1 of 3. 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. 2005: Established by the Texas State Legislature.
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