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The cumulative compaction in the Chicot and Evangeline aquifers are measured at 13 extensometer stations in the 11-county area. The GULF-2023 model is a new $588,000 endeavor jointly funded by the HGSD and FBSD, in cooperation with USGS. The Harris-Galveston Subsidence District (District) is a special purpose district created by the Texas Legislature in 1975. Copyright 2023 The Texas Alliance of Groundwater Districts. Trash If you are a leader with a passion for executing projects that improve our local communities, check out this opportunity! In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays) hmo0?:;T!AR~p!A+~g`e]rw>F "1T"@0D$L$!A!JyXUJsm\Ouu~o:p11G5r[U=w/ QdQUq] }D?|=X'W|pqe'p]x/ 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. In Houston, land subsidence is caused by the withdrawal of groundwater. %PDF-1.5 % 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 . Annual Pumpage Reports are due by January 31, 2023. 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. 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. The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. 1 0 obj 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. Fort 186 0 obj <> endobj their jurisdiction. 1045, 1989 Tex. %%EOF To learn how to submit your report online, check out our instructional video! The live data from the two older PAM units may be viewed by clicking on the Subsidence Monitoring Network Map (If you have Google Earth installed on your computer, simply click on the .kml file, and Google Earth will automatically open, showing you the network map.). <> 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 . 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. Water, For persons with questions or needing help regarding website accessibility, or to request the provided information in alternative formats, please call (713) 860-6400 or send an email to, Harris County Municipal Utility District 501, 10000 Towne Lake Parkway, Cypress, Texas 77433. 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. Bend County Subsidence District, Lone This is accomplished through the careful regulation of groundwater withdrawals, working in collaboration with surface water suppliers. Land subsidence is the gradual lowering of land-surface elevation. #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. Get regular updates on Lone Star Groundwater Conservation District. Evaluation of Projected Population and Water Demands in Fort Bend County. The nearby hydrograph shows that when a subsidence district was created around 1976 (red line), groundwater levels in the Chicot Aquifer rose substantially. HGSD Financial Information including Budgets, Annual Audits, and Financial Reports. Lone Star GCD is working with the Subsidence District to make the newer stations available online. Since the mid 1970's, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. 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. as the difference in water-level altitude at each well for the water-level data collection year and the For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. The cumulative compaction in the Chicot-Evangeline undifferentiated aquifer is measured at 13 Subsidence can be an important issue in certain areas such as the Gulf Coast region. For more information, or to learn how to submit your report online, visit: https://lnkd.in/gSz5XemV. )|#.`/D;WcM0z,B] mXU+^yZ!9K254cC.(WjoFgpK1EpvgoV "H7 OKQ:kHLa`Z=Hmm'rh`:Qfb5.!H{ 6+sBQ Next, we traveled to the infamous Brownwood Subdivision, which was abandoned due to substantial subsidence in the 1980s. Elections Activities Groundwater Conservation District Information (O-Z and Subsidence Districts) For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. Since the mid 1970s, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. For non-emergency law enforcement matters, please contact the Harris County Sheriffs Office non-emergency line at (713) 221-6000. Report Street Light Outage 4Rw,De@5hfbHY`b`H=n We I$@g|0 reduce groundwater withdrawals in Harris and Galveston Counties. These sites are being cooperatively run and operated by the following agencies. 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 Districts main mechanism of regulation is through its regulatory plan, with requirements laid out in the districts enabling legislation. You can view research studies, model information, and interactive maps under the Science & Research tab of the HGSD website. Reduces the ability to store water in an aquifer. 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. Conventional Measurement Method, Borehole Extensometers, GPS, and Measuring Subsidence in the Future. Texas Water Development Board works best with JavaScript enabled. Though subsidence rates are moderate in Fort Bend county, the continued heavy dependence of groundwater use may result in increased subsidence and associated impacts such as flooding and infrastructure damage. This is because in addition to sinking land elevations, subsidence contributes to flooding, inundation, or overflow of areas within the district, including rising waters resulting from storms or hurricanes. 0 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. Groundwater withdrawn from the Chicot-Evangeline and Jasper aquifers has been the primary source of Lone Star Groundwater Conservation District, Brazoria County Groundwater Conservation District, Fort Then, use either Enter or Space key to open the selected district. Disrupts collector drains and irrigation ditches. 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. 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. 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. <> 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 . 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. historical year or as the difference in water-level altitude at each well for the water-level data extensometer stations in the 11-county area. 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. each regional water-level altitude map. 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. GULF-2023 Model Development & USGS Partnership. Click for endstream endobj startxref sOsOg_oW uMfM "F6H1#]Q]9gv3] m ]:U3*~=lrz&/tU=j4VRi/Y?Qk#mLiQ&~9zOo,6L#?~"|HJ@uF~[L iaG,):LUCB$\zB+B=zT& The Lone Star GCD has studied the Gulf Coast Aquifer for a decade and confirmed the reports of many local water suppliers, which state that water levels in the countys aquifers have declined at an alarming rate as a result of deficit pumping. ?Jj YV3YIi}SgQ)btH24[0PeU$'r-1[hBy"&aH@"F0Z1&N'f`^~D-ocr@:A /TG}]u9b l. Get the latest news and updates from the Harris-Galveston Subsidence District. 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 . Alternative water sources, like treated surface water, prevents excessive groundwater pumping, thereby minimizing subsidence. 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. 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. While some areas in Houston have significantly reduced their groundwater pumping (particularly with the creation of subsidence and groundwater districts, whose purpose is to regulate groundwater pumping), subsidence still remains a threat for the region. Chicot-Evangeline aquifer in southeastern Harris County, and correspondingly, by 1979, as much as 10 Land Subsidence. 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. This district was created because area . Since 1977, the USGS Texas Water Science Gulf Coast Program has published regional groundwater maps for A report by: David B. Zilkoski, Lucy W. Hall, Gilbert J. Mitchell, Vasanthi Kammula, Ajit Singh, William M. Chrismer, and Ronald J. Creation year: 1975 (64th Texas Legislature). UNESCO Land Subsidence International Initiative. Star Groundwater Conservation District, and Damages roadways, bridges, building foundations, and other infrastructure. 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. HGSD has the goal of reducing the area to 20% reliance on groundwater by 2035 and managing water to promote . All Rights Reserved. Both surface water and groundwater rates were reduced by $0.50 per 1,000 gallons. The Harris-Galveston Subsidence District, in cooperation with the Fort Bend Subsidence District, the Brazoria County Groundwater Conservation District, the Lone Star Groundwater Conservation District, the University of Houston, and the Brazosport Water Authority maintains a subsidence monitoring network that is constantly evolving and requires consistent investment. Pay Your Tax Bill Online adopted as an effective alternative to manual contour interpolation. Water-level altitude is calculated at each well by subtracting the water-level measurement (depth to Since it is not a GCD, HGSD participates in the activities of GMA 14 as an inter-local participant. The U.S. Geological Survey (USGS) prepared this dataset in cooperation with the HarrisGalveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District. 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. Creation year: 1975 (64th Texas Legislature). After collecting and evaluating groundwater-level data for quality control, data are incorporated into a users to view annual water-level altitudes, water-level changes over time, and historical time series of destroyed or were not measured during the individual publication study period. geographic information system (GIS) and used for the construction of regional water-level altitude and . 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. Harris-Galveston Subsidence District Meeting Agendas, Minutes and Hearing Notices. Instead of losing a foot every 10 years, many . compaction data. The district implemented their first groundwater regulatory plan in 1976. 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. When expanded it provides a list of search options that will switch the . 1999: Regulatory areas converted into 3 primary areas. Numerous subsurface faults have been documented beneath the Houston metropolitan area at depths of 3,200 to 13,000 feet. %N_yuJlv\DxD"`UIci+QV8F,P"iRNd[U]4#8T&2m4=oCgq! Visit smarteraboutwater.org for water conservation resources to help homeowners, businesses, and the community. hbbd```b``NA$EHD]c@$wX2$'u1fHY b The Lone Star Groundwater Conservation District in 2012 purchased six Periodically Accessible Monitors (PAMs), which are specifically designed to detect subsidence. water levels in the aquifer were declining with associated depressuring, dewatering, and compaction larger image. These efforts have identified and documented the susceptibility of land surface subsidence due to the production of groundwater in the Chicot and Evangeline aquifers. Harris-Galveston Subsidence District reposted this, Mitigation of human-induced land subsidence starts with the regulation of resource extractions. HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. Data were compiled and multiple hydrologic parameters were utilized to improve the understanding of the brackish resources within the study area. Groundwater Conservation District and, most recently, Brazoria County Groundwater Conservation District `c331vf2~+kRbs "cX1K3H3200 iy@Se! g= We are hiring a Deputy General Manager Fort Bend Operations to join our executive leadership team. Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits 5 0 obj https://lnkd.in/gkwTtcAZ. 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. Lone zAG2U&8?fU@. 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. water-level altitude and regional water-level change contour map can be found in the individual 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.