Some natural land subsidence also occurs over long periods of time, due to natural settling. Water-level altitudes 2016 and water-level changes in the Chicot - USGS V(&xH:1dxB0"5Cu)edL9x2Z~Q`&1R`oC1NTEGxfP8QMiuy6T8-%HI Y{*,t wBh# 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. USGS | Gulf Coast Aquifer Subsidence subarea, and area B. established the Fort Bend Subsidence District and two groundwater conservation districts: Lone Star As the Houston Chronicle reported, Over the years, Texas lawmakers enacted bills to create subsidence or water conservation districts in counties that include Harris, Fort Bend, Montgomery and Galveston. The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. Land Subsidence. Water-level altitude is calculated at each well by subtracting the water-level measurement (depth to Harris-Galveston Subsidence District | The Texas Alliance of Purpose: To maintain the quality and availability of Brazoria Countys groundwater resources for current users and future generations. It is the purpose of the HGSD Regulatory Plan to establish policy in the area of groundwater regulation, permits and enforcement. Bend County Subsidence District, Groundwater Conservation Districts | Texas Water Development Board You can view research studies, model information, and interactive maps under the Science & Research tab of the HGSD website. 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 . Pay Your Water Bill Texas Water Development Board works best with JavaScript enabled. 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 . The Harris-Galveston Subsidence District is a special purpose district created by the Texas Legislature in 1975. 1976 Pressefoto Charles "Chuck" R. Bowcock, Harris-Galveston below the land surface due to groundwater withdrawals. 2005: Established by the Texas State Legislature. The Lone Star Groundwater Conservation District in 2012 purchased six Periodically Accessible Monitors (PAMs), which are specifically designed to detect subsidence. The primary aquifers in the Gulf Coast aquifer system in the Houston-Galveston region are the 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. % Creation year: 1975 (64th Texas Legislature). Phone: 281-342-3273 Bend County Subsidence District, Lone 1 0 obj 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. In 2021, kriging, a geostatistical interpolation method, was endobj levels rise, compacted sediments and the associated land-surface lowering would remain as-is. Datasets of water-level changes and altitudes in the Chicot, Evangeline, and Jasper aquifers. adopted as an effective alternative to manual contour interpolation. Land subsidence occurs when large amounts of groundwater have been excessively withdrawn from an aquifer. water-level altitude data at observation wells in the Houston-Galveston Region. Establishes policy regarding groundwater regulation withdrawals to control subsidence. Brazoria County Groundwater Conservation District, Neighbors. Then, use either Enter or Space key to open the selected district. Data provided by the USGS. This dataset was created to provide resource managers, public officials . Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. 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 . Providing analysis of accurate and up to date predictions on water usage; the enforcement of real disincentives to those who rely too heavily on groundwater; and an unwavering commitment to practicing and promoting water conservation. The University of Houston processes the GPS data. 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 process is crucial to prevent buildings from flooding. The GULF-2023 model is a new $588,000 endeavor jointly funded by the HGSD and FBSD, in cooperation with USGS. Removing water from fine-grained aquifer sediments compresses the aquifer leaving less pore space Depth to Groundwater Measured from Wells Completed in the Chicot and HVMs9W(GEU nQ,bb]4vb3Z_lW=zl%{O;\o%{ebEw Significant brackish groundwater resources exist within the Gulf Coast Aquifer System near Houston, Texas in Harris, Galveston, Fort Bend, and surrounding counties. water for municipal supply, commercial and industrial use, and irrigation in the Houston-Galveston This model will provide valuable information to inform the regulatory decision-making of the HGSD and FBSD. These sites are being cooperatively run and operated by the following agencies. This district was created because area . Click here for more information about the Subsidence District. Groundwater-level and compaction data are available as part of USGS data products. Water demands were projected for individual water supply systems based on average per capita demands observed from 2000 to 2008. According to a 2017 USGS report, Water levels in the southeastern parts of the study area in the Chicot and Evangeline aquifers have generally continued to rise since 1977, while water levels in the northern and western parts of Harris County and Southern Montgomery County have continued to decline. resulting in subsidence. H\j@}l/6 6i!i$U6"o=B9|c7MfwzQCyaks,Oi&LOcuVcc6_z0Y.MTQM>lW~2Miu8hV4c:ul:fU,+?/Q_spA.%Y[Hliicc-iiiiooo#t8zAG#+0SL W`y$[yzzxzzzxzzzxzzzxzzzxzzzxzzzxzgJ0Fi6xN4._3I]8o zAG2U&8?fU@. 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. 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 . Removing water from fine-grained aquifer sediments compresses the aquifer leaving less pore space available to store water resulting . endstream endobj startxref In addition, they involve local communities by education and outreach programs to underscore the importance of water conservation, such as publishing an interactive viewer with GPS land subsidence monitoring stations (shown below). We are hiring a Deputy General Manager Fort Bend Operations to join our executive leadership team. Harris-Galveston Subsidence District on LinkedIn: Apply today! 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. Star Groundwater Conservation District, and endstream endobj 190 0 obj <>stream as the difference in water-level altitude at each well for the water-level data collection year and the When expanded it provides a list of search options that will switch the . Chicot-Evangeline aquifer in southeastern Harris County, and correspondingly, by 1979, as much as 10 Alters the flow of creeks and bayous which may increase the frequency and severity of flooding. The RGUP originally started in 2010 as the Harris-Galveston Subsidence District (HGSD) 1999 Regulatory Plan Update, but due to its benefits to other regional groundwater regulatory agencies, the Fort Bend Subsidence District (FBSD) and the Lone Star Groundwater Conservation District (LSGCD) joined the collaborative effort in 2010.The primary benefit of collaboration between these three entities is that each of them could use the RGUP to vet their existing regulatory plans using updated population/water demand data and groundwater modeling capability, and in the case of HGSD and FBSD, investigate the physical effects of changing their existing regulatory plans to accommodate the practical realities facing their stakeholders while successfully completing the Districts mission objectives. PDF SPECIAL DISTRICT LOCAL LAWS CODE CHAPTER 8801. HARRIS-GALVESTON - Texas If you are passionate about water conservation, education, collaboration, and making a positive impact on your community, we invite you to apply today! New goals would allow for ground to sink in The Woodlands, more water Harris-Galveston Subsidence District | LinkedIn 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. 5 0 obj One of the primary concerns of subsidence in the coastal regions is flooding due to storm surges associated with hurricanes, where permanent seawater inundation and periodic storm water surge can dramatically impact property. In the event of an emergency, please dial 9-1-1. Harris-Galveston Subsidence District Meeting Agendas, Minutes and Hearing Notices. Creation year: 1975 (64th Texas Legislature). Extensometers and Subsidence. Finally, use the Tab key to toggle the links within each districts. HGSD works closely with State and Federal agencies to foster collaboration and improve governmental efficiency. hbbd```b``NA$EHD]c@$wX2$'u1fHY b 1 of 11. Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits 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. 1989: Established by the Texas State Legislature. Most compaction that occurs as a result of groundwater withdrawals is irreversible; even if groundwater HGSD lies within the boundaries of Groundwater Management Area 14 (GMA 14). Subsidence is known to have occurred in the southern part of Montgomery County based on monitoring and long-term surveying of land surface. Lone Created by the Texas Legislature in 1975 to stop further subsidence in the Houston-Galveston region. While some of the duties and goals are similar to those of groundwater conservation districts, Harris-Galveston . the Houston-Galveston Region, Texas. The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. Subsidence Risk Assessment and Regulatory Considerations for the Brackish Jasper Aquifer. HGSD conducts regulatory planning on a regular basis to confirm that adopted regulations have reduced subsidence rates. sOsOg_oW uMfM "F6H1#]Q]9gv3] m ]:U3*~=lrz&/tU=j4VRi/Y?Qk#mLiQ&~9zOo,6L#?~"|HJ@uF~[L iaG,):LUCB$\zB+B=zT& Check out this great opportunity to learn about groundwater and subsidence at HMNS - Sugar Land's latest exhibit open now until May 14, 2023! endobj The Harris-Galveston Subsidence District is a special purpose district created by the Texas Legislature in 1975 to regulate groundwater withdrawal throughout Harris and Galveston counties in order to prevent land subsidence. 4Rw,De@5hfbHY`b`H=n We I$@g|0 This button displays the currently selected search type. Both surface water and groundwater rates were reduced by $0.50 per 1,000 gallons. For years, the Houston area has been losing ground Harris-Galveston Subsidence District, the In collaboration with Galveston Bay Foundation and Texas A&M Agrilife Extension Service, HGSD . Regular, precise, automated readings are taken of the elevation of the ground at locations throughout the county. 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. 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. Harris-Galveston Subsidence District. The model will simulate the impacts of groundwater use on aquifer water levels and land subsidence throughout the region and will be used to evaluate regulatory scenarios of interest to both subsidence districts. When expanded it provides a list of search options that will switch the search inputs to match the current selection. 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. In addition to regulation, the district also conducts research to enhance its understanding of the Upper Gulf Coast aquifer to better manage subsidence. 1975: Established by Texas State Legislature. 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.