harris galveston subsidence district

Subsequent to establishing the Harris-Galveston Subsidence District, the Texas State Legislature 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. Subsidence is known to have occurred in the southern part of Montgomery County based on monitoring and long-term surveying of land surface. 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. in the Houston-Galveston region to provide for the regulation of groundwater withdrawals in areas within Groundwater Conservation District Information (O-Z and Subsidence Districts) For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. 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. Creation year: 1975 (64th Texas Legislature). Since the mid 1970's, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. Richmond, TX 77469 endstream endobj startxref ?Jj YV3YIi}SgQ)btH24[0PeU$'r-1[hBy"&aH@"F0Z1&N'f`^~D-ocr@:A /TG}]u9b l. region since the early 1900s. Want to learn more about how subsidence has impacted this region? This process is crucial to prevent buildings from flooding. Land subsidence is the gradual lowering of land-surface elevation. The U.S. Geological Survey prepared this dataset in cooperation with the HarrisGalveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District. Harris-Galveston Subsidence District Joins the Winners' Circle. You can view research studies, model information, and interactive maps under the Science & Research tab of the HGSD website. o35d8\,=R/.Y2xTE@;jj?4/gh?D$U2;MrpF&tMF6h-|l-:nSzC~ ER5knSP" zXyY/mY|{mm}x"S8K~"UILrD> 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. Harris County MUD 501 is located within the boundaries of the Authority. When expanded it provides a list of search options that will switch the search inputs to match the current selection. Newsletters 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. 2001: Established by the Texas State Legislature. UNESCO Land Subsidence International Initiative. 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. Evaluation of Projected Population and Water Demands in Fort Bend County. Click here to view information and publications from USGS about groundwater and subsidence on the Texas Gulf Coast. 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 . Now hiring a Deputy General Manager for Fort Bend Operations. The District enjoyed visiting the Houston Museum of Natural Science at Sugar Lands newest attraction, Ocean Bound: A Deep Dive Into the Science of How Water Flows. This interactive exhibit provides a look into how actions on land can impact water and even has an area designated for learning more about groundwater and subsidence. Copyright 2023 The Texas Alliance of Groundwater Districts. 4Rw,De@5hfbHY`b`H=n We I$@g|0 https://lnkd.in/gkwTtcAZ. The cumulative compaction in the Chicot-Evangeline undifferentiated aquifer is measured at 13 Water demands were projected . 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. These sites are being cooperatively run and operated by the following agencies. resulting in subsidence. 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. 1 0 obj . HARRIS GALVESTON SUBSIDENCE DISTRICT TESTIMONY TO COMMITTEE ON COUNTY AFFAIRS 2. Alters the flow of creeks and bayous which may increase the frequency and severity of flooding. Houston-Galveston area in order to develop a regional depiction of groundwater levels. 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. Numerous subsurface faults have been documented beneath the Houston metropolitan area at depths of 3,200 to 13,000 feet. 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 Finally, use the Tab key to toggle the links within each districts. endstream endobj 190 0 obj <>stream hb```a``c`e`fb@ !+s\ddX{DJG3^pq~HIq @ZHHt40Ttt4D - This model will provide valuable information to inform the regulatory decision-making of the HGSD and FBSD. When expanded it provides a list of search options that will switch the . `c331vf2~+kRbs "cX1K3H3200 iy@Se! g= HGSD is divided into three regulatory areas stretching from High Island and Galveston upwards to Hempstead, TX. All Rights Reserved 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.). Harris-Galveston Subsidence District (HGSD) in Texas was recognized as a WaterSense Partner of the Year for the first time for helping residents and businesses save water outdoors. The primary aquifers in the Gulf Coast aquifer system in the Houston-Galveston region are the 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. Learn about the District's water conservation programs and tools, Get local watering recommendations based off data from the District's weather stations. This button displays the currently selected search type. 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. Managing how groundwater resources are used is key to controlling subsidence. 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. 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 . HGSD lies within the boundaries of Groundwater Management Area 14 (GMA 14). 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. Get the latest news and updates from the Harris-Galveston Subsidence District. USGS measures groundwater levels in over 700 wells in an 11-county area annually in the 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. Phone: 281-342-3273 %N_yuJlv\DxD"`UIci+QV8F,P"iRNd[U]4#8T&2m4=oCgq! 1999: Regulatory areas converted into 3 primary areas. adopted as an effective alternative to manual contour interpolation. 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. Pay Your Tax Bill Online 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. 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. Contact Us. available to store water resulting in the lowering (sinking or settling) of the land-surface. 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 . Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. A report by: David B. Zilkoski, Lucy W. Hall, Gilbert J. Mitchell, Vasanthi Kammula, Ajit Singh, William M. Chrismer, and Ronald J. 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. University of Houston . 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. 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.

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