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. The Lone Star Groundwater Conservation District in 2012 purchased six Periodically Accessible Monitors (PAMs), which are specifically designed to detect 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. https://lnkd.in/g-6YkVmS Ground-Water Withdrawals and Land-Surface Subsidence in the Houston-Galveston Region, Texas, 1906-80: R-286: 4/1/1984: TWDB numbered report: Interpolated modeled water-level altitude surfaces were only used to compute differences when wells were HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. https://lnkd.in/gZKAs__D. 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 . Subsidence Risk Assessment and Regulatory Considerations for the Brackish Jasper Aquifer. Numerous subsurface faults have been documented beneath the Houston metropolitan area at depths of 3,200 to 13,000 feet. 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. %PDF-1.5 % Harris-Galveston Subsidence District; Fort Bend Subsidence District; . 1975: Established by Texas State Legislature. Get the latest news and updates from the Harris-Galveston Subsidence District. . These sites are being cooperatively run and operated by the following agencies. Contact Information; District Website; Legislation House Bill 552; Chapter 284, 64th Legislature, 1975; Elections 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. 2017 Annual Groundwater Report Final Approved (Revised 2.0). For more information, or to learn how to submit your report online, visit: https://lnkd.in/gSz5XemV. When expanded it provides a list of search options that will switch the . The Harris-Galveston Subsidence District (HGSD) 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. as the difference in water-level altitude at each well for the water-level data collection year and the Lone 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. This position supports both Harris-Galveston Subsidence District and Fort Bend Subsidence District as the water conservation subject matter expert providing administrative, technical, and educational information on water conservation, water science, and other natural science topics to a broad audience. 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. For detailed information on the processing methodology, please refer to https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. =*-SRIbI -|tdAl` Q ka+dzLp[fAh/tGp7=>>q[y,Nz Ma collection year and the interpolated water-level altitude of the historic year from a modeled surface. This model will provide valuable information to inform the regulatory decision-making of the HGSD and FBSD. Subsidence regulation districts and their creation timeline The Harris-Galveston Coastal Subsidence District. The reduction in pumpage has resulted in the increase of water- level in the aquifer system in those areas and a reduction in subsidence rates. This process is crucial to prevent buildings from flooding. endstream endobj 191 0 obj <>stream The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. 186 0 obj <> endobj Gen. Laws 4251). 5 0 obj 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. 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. 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. water below land surface) from the referenced well land-surface altitude. 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. 1 of 11. It has since been turned into the Baytown Nature Center. compaction data. Available job opportunities with Harris-Galveston Subsidence Distrcit. This report documents the impact of groundwater use on aquifer water levels and subsidence within the District and was prepared in accordance with an Inter-local Agreement between the District and the Harris-Galveston Subsidence District (HGSD). the U.S. Geological Survey Texas Water Science Center Gulf Coast Program collects, processes, and Get regular updates on Lone Star Groundwater Conservation District. below the land surface due to groundwater withdrawals. https://lnkd.in/gkwTtcAZ. Groundwater Conservation District and, most recently, Brazoria County Groundwater Conservation District the Houston-Galveston Region, Texas. Search form lists all water wells with a HGSD permit in a given area. Brazoria County Groundwater Conservation District, Legislature authorized the establishment of the Harris-Galveston Subsidence District to regulate and The Authority has entered into a Water Supply Contract with the City of Houston to obtain treated surface water from Houston. In cooperation with Harris-Galveston Subsidence District, the City of Houston, Fort Bend County Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District, the U.S. Geological Survey Texas Water Science Center Gulf Coast Program collects, processes, and interprets groundwater-level . ?Jj YV3YIi}SgQ)btH24[0PeU$'r-1[hBy"&aH@"F0Z1&N'f`^~D-ocr@:A /TG}]u9b l. A report by: David B. Zilkoski, Lucy W. Hall, Gilbert J. Mitchell, Vasanthi Kammula, Ajit Singh, William M. Chrismer, and Ronald J. Fax: 281-232-3355. 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. . 2 0 obj 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.). Lone Star Groundwater Conservation District, Brazoria County Groundwater Conservation District, Fort 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. Used by HGSD as guides in the exercise of the powers in the accomplishment of the purposes of Special Districts Code. Disrupts collector drains and irrigation ditches. Board Activities It is the purpose of the HGSD Regulatory Plan to establish policy in the area of groundwater regulation, permits and enforcement. Harris-Galveston Subsidence District, the The data is temporarily stored in an on-site monitor and periodically uploaded to computers at the Harris Galveston Subsidence District. The USGS has a long history of working with HGSD and other entities in the Houston region. Alternative water sources, like treated surface water, prevents excessive groundwater pumping, thereby minimizing subsidence. water for municipal supply, commercial and industrial use, and irrigation in the Houston-Galveston reduce groundwater withdrawals in Harris and Galveston Counties. On our last stop, we toured theCity of Houstons Northeast Water Purification Plant Expansion. While some of the duties and goals are similar to those of groundwater conservation districts, Harris-Galveston . Additionally, the US Geological Survey (USGS) has begun work on the GULF-2023 model, with an anticipated completion date in the fall of 2021. accurate land-surface altitude data available at the time of publication were used in the creation of These units operate in conjunction with the two that have been monitoring land levels in Montgomery County for more than 10 years. This button displays the currently selected search type. (3) "District" means the Harris-Galveston Subsidence District. A resident of the Houston area since 2011, Vanessa began working in community . Check out this great opportunity to learn about groundwater and subsidence at HMNS - Sugar Land's latest exhibit open now until May 14, 2023! Up to 2020, regional water-level altitude maps were created by manually interpolating contours of HGSD works closely with State and Federal agencies to foster collaboration and improve governmental efficiency. 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. Alters the flow of creeks and bayous which may increase the frequency and severity of flooding. Click here to view information and publications from USGS about groundwater and subsidence on the Texas Gulf Coast. xX6~R-N\dq?%cBa:77#KZO=~`[h[VPC-!q8cVBv1j0Bh}vcu-7~6G~@ ucM,-s-9i4_g8jO00J\iOSktweZ.wfbuy9;Q^WGeQUab=~2_GK Z/fox$mTLMNX/ke5'a(7X=NCi>26*'$!3 Click here for more information about the Subsidence District. This dataset was created to provide resource managers, public officials . Harris-Galveston Subsidence District, Fort Bend Subsidence District, and the USGS are working closely with the Texas Water Development Board to ensure that the GULF-2023 model will be available as a regional tool for GMA 14 to provide the best science and planning information for the region. Datasets of water-level changes and altitudes in the Chicot, Evangeline, and Jasper aquifers. Star Groundwater Conservation District. resulting in subsidence. The U.S. Geological Survey, in cooperation with the Harris Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Brazoria County Groundwater Conservation District, and Lone Star Groundwater Conservation District, has produced this dataset of water-level changes and approximate water-level altitudes in the Chicot, Evangeline, and Jasper aquifers in the Houston-Galveston region, Texas. Over the last century, aquifers in this area have lost between 300 and 400 feet, leaving some of the land to collapse. Water demands were projected for individual water supply systems based on average per capita demands observed from 2000 to 2008. available to store water resulting in the lowering (sinking or settling) of the land-surface. Finally, use the Tab key to toggle the links within each districts. interprets groundwater-level and aquifer-sediment-compaction data to understand the effects of H\j@}l/6 6i!i$U6"o=B9|c7MfwzQCyaks,Oi&LOcuVcc6_z0Y.MTQM>lW~2Miu8hV4c:ul:fU,+?/Q_spA.%Y[Hliicc-iiiiooo#t8zAG#+0SL W`y$[yzzxzzzxzzzxzzzxzzzxzzzxzzzxzgJ0Fi6xN4._3I]8o The variables to be explored include: Since the District was created in 1975, our focus has been on preventing subsidence through reasonable regulation of groundwater use, says Mike Turco, General Manager of HGSD, our commitment to cutting-edge research and consistent investment in the highest-quality data collection, with agencies like the USGS, has provided a firm scientific basis for a successful regulatory plan. The new GULF-2023 model will be the latest product in a large body of scientific activities initiated by HGSD. Now Hiring! 218 0 obj <>/Filter/FlateDecode/ID[<47E07B46D706934486CB2062ED92DA88><05048E564C3EFD429B1933026D915C3D>]/Index[186 44]/Info 185 0 R/Length 144/Prev 850166/Root 187 0 R/Size 230/Type/XRef/W[1 3 1]>>stream Overview of the Harris-Galveston Subsidence District planning process. adopted as an effective alternative to manual contour interpolation. SMU is developing subsidence maps from 1992 to 2023 by integrating data obtained from multi-temporal Interferometric Synthetic Aperture Radar (InSAR), a remote sensing technique using data collected from orbiting satellites, to quantitatively evaluate subsidence over specific periods of time across the region. <> Groundwater Conservation District Information (O-Z and Subsidence Districts) For keyboard navigation: First, use Arrow Keys to navigate up and down the districts. <>stream Creation year: 1975 (64th Texas Legislature). Fort Bend Subsidence District Since 1836, groundwater withdrawals have caused about 3,200 square miles of the Houston-Galveston area to subside (or sink) more than a foot, with some areas subsiding as much as 12 to 13 feet. 4Rw,De@5hfbHY`b`H=n We I$@g|0 1 0 obj Occasionally, the district undertakes a review of the regulatory plan, working with other entities to assess future water needs and ensure that the plan will be successful in ceasing subsidence. 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. sOsOg_oW uMfM "F6H1#]Q]9gv3] m ]:U3*~=lrz&/tU=j4VRi/Y?Qk#mLiQ&~9zOo,6L#?~"|HJ@uF~[L iaG,):LUCB$\zB+B=zT& extensometer stations in the 11-county area. The development of brackish groundwater resources has become a more common water management strategy in the State of Texas. The Harris-Galveston Subsidence District, created in 1975, was the first of these districts. Then, use either Enter or Space key to open the selected district. 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.