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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. Additionally, the US Geological Survey (USGS) has begun work on the GULF-2023 model, with an anticipated completion date in the fall of 2021. You can view research studies, model information, and interactive maps under the Science & Research tab of the HGSD website. Groundwater-level and compaction data are available as part of USGS data products. The network, initiated in 1994, currently extends across the Houston-Galveston region, across Harris, Fort Bend and surrounding counties, in an effort to represent the breadth and scope of subsidence in the region. This is accomplished through the careful regulation of groundwater withdrawals, working in collaboration with surface water suppliers. In fact, the USGS serves as the hub for an annual multi-agency data collection effort that includes the Brazoria County GCD, Lone Star GCD, the City of Houston, and both subsidence districts. 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. Click here to view information and publications from USGS about groundwater and subsidence on the Texas Gulf Coast. Water-level altitude, well, and compaction data have been combined in an interactive map that allows 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. 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. 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. GENERAL PROVISIONS Sec.A8801.001.AADEFINITIONS. 1 of 11. In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays) water-level altitude data at observation wells in the Houston-Galveston Region. Harris-Galveston Subsidence District, the Click for Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits 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 nearby hydrograph shows that when a subsidence district was created around 1976 (red line), groundwater levels in the Chicot Aquifer rose substantially. On our last stop, we toured theCity of Houstons Northeast Water Purification Plant Expansion. of gravel, sand, silt, and clay. Bend County Subsidence District, A resident of the Houston area since 2011, Vanessa began working in community . The Harris-Galveston Subsidence District (District) is a special purpose district created by the Texas Legislature in 1975. 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. Establishes policy regarding groundwater regulation withdrawals to control subsidence. 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. Creation year: 2001 (77th Texas Legislature). Subsidence is known to have occurred in the southern part of Montgomery County based on monitoring and long-term surveying of land surface. <>stream Texas Water Development Board works best with JavaScript enabled. In 2021, kriging, a geostatistical interpolation method, was The District has taken a reasonable approach to groundwater regulation in order to minimize subsidence within its regulatory areas. The Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. 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. The RGUP was jointly supported by the Harris-Galveston Subsidence District, the Fort Bend Subsidence District, and the Lone Star Groundwater Conservation District. 2017 Annual Groundwater Report Final Approved (Revised 2.0). Bend County Subsidence District, Lone Land subsidence is the gradual lowering of land-surface elevation. Newsletters Harris-Galveston Subsidence District wishes you and your loved ones a safe and happy holiday season! Grant opportunities to implement projects that help reduce water use in the HGSD Regulatory Areas. 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 Harris County MUD 501 is located within the boundaries of the Authority. 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. %%EOF 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. This button displays the currently selected search type. v24Wf\+p7Ak@Q(lCJ'$6(kKa FdbT41l1Y$k@*nx(7TK6A9. LX 0o9 'c* _Kq3b2'T9I?. Search form lists all water wells with a HGSD permit in a given area. After collecting and evaluating groundwater-level data for quality control, data are incorporated into a Contact Information; District Website; Legislation House Bill 552; Chapter 284, 64th Legislature, 1975; Removing water from fine-grained aquifer sediments compresses the aquifer leaving less pore space Click here for more information about the Authority. 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. In cooperation with HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. in the Houston-Galveston region to provide for the regulation of groundwater withdrawals in areas within Damages roadways, bridges, building foundations, and other infrastructure. About Us | Programs and Education | Management and Rules | News& Publications | Meeting Info | Permitting | Aquifers Data& Maps | Contact Us, Copyright 2004-2016 Lone Star Groundwater Conservation District 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. Overview of the Harris-Galveston Subsidence District planning process. 1992: Regulatory areas redivided into 7 areas. Data provided by the USGS. 1 of 3. compaction data. Harris County Sheriffs Office 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. Both surface water and groundwater rates were reduced by $0.50 per 1,000 gallons. In this chapter: (1)AA"Agricultural crop": (A)AAmeans food or fiber commodities that are grown for resale or commercial purposes and that are to be used for food, clothing, or animal feed; and This button displays the currently selected search type. Click here to read our blog about how it could be addressed with a new USGS subsidence mapping tool. Purpose: To preserve, conserve and protect Montgomery Countys groundwater supplies. The District Science and Research Plan represents the strategic direction for science and research conducted or supported by the Fort Bend Subsidence District (FBSD) and, as such, is an essential component of the Districts regulatory planning process. The Science and Research Plan is designed to be a dynamic document with the intention to provide clarity to the strategic direction of the District and guidance to future science and research priorities in support of the District Regulatory Plan. Disrupts collector drains and irrigation ditches. December 1, 2020. feet of subsidence had occurred in the Houston-Galveston region. This dataset documents for 2018 the depth to groundwater measured in wells screened in the Chicot, Evangeline, and Jasper aquifers in the HoustonGalveston region, Texas. established the Fort Bend Subsidence District and two groundwater conservation districts: Lone Star 8X>F|9L'a{:Vh41tX p`;WDWjxWu{F$I8x}C/rQA6VT\=#_ 68q RJGE0KWp|nxDrQnvc#|Wl Zi4dg9H#qU@xz?$' x[k gH x$C8c:Bes9$_(Rs]j~4KNSB@-. These sites are being cooperatively run and operated by the following agencies. =3R{;vBbh *J2q!Ol] 5rR(T/hgb(0XY g;}HcBei3Wbhq+(MH9DX0ayqQ^\I:v@|\S$N=fV(~'|Wo+p&O%b 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. The District uses exceptional scientific research to ensure the best available technology and approaches are considered with respect to water management and subsidence monitoring. 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. `c331vf2~+kRbs "cX1K3H3200 iy@Se! g= )|#.`/D;WcM0z,B] mXU+^yZ!9K254cC.(WjoFgpK1EpvgoV "H7 OKQ:kHLa`Z=Hmm'rh`:Qfb5.!H{ 6+sBQ All Rights Reserved. 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. Elections Some natural land subsidence also occurs over long periods of time, due to natural settling. Star Groundwater Conservation District. water for municipal supply, commercial and industrial use, and irrigation in the Houston-Galveston Then, use either Enter or Space key to open the selected district. 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.