These efforts have identified and documented the susceptibility of land surface subsidence due to the production of groundwater in the Chicot and Evangeline aquifers. Water Conservation Program Coordinator, 2022 Annual Groundwater Report Public Hearing Notice, https://ascelibrary.org/doi/10.1061/%28ASCE%29SU.1943-5428.0000399. People who live in the lower lying coastal areas (i.e., lower elevations and flatter topography) have much more reason to be concerned with subsidence than those who reside further inland in areas of higher elevations with more topographic relief. On our last stop, we toured theCity of Houstons Northeast Water Purification Plant Expansion. 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: 2001 (77th Texas Legislature). Report Street Light Outage Harris-Galveston Subsidence District . Since the mid 1970s, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. The Harris-Galveston Subsidence District (HGSD) is a special purpose district created by the Texas Legislature in 1975. Brazoria County Groundwater Conservation District . Copyright 2023 The Texas Alliance of Groundwater Districts. Want to learn more about how subsidence has impacted this region? GULF-2023 Model Development & USGS Partnership. 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 . 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. Groundwater-level and compaction data are available as part of USGS data products. of gravel, sand, silt, and clay. Request for Qualifications and other important information related to doing business with the Harris-Galveston Subsidence District. HARRIS-GALVESTON SUBSIDENCE DISTRICT SUBCHAPTER A. Prior to 1975, the withdrawal of groundwater from the Chicot-Evangeline aquifer was unregulated, and 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 . Lone Annual Pumpage Reports are due by January 31, 2023. 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. Southeast Texas Groundwater Conservation District; Other Districts. endobj After successfully implementing InSAR mapping in the Houston-Galveston region in 2019, this new project will harness the complimentary capabilities of the Subsidence Districts subsidence monitoring network and SAR imagery to develop these historical deformation maps. A report by: David B. Zilkoski, Lucy W. Hall, Gilbert J. Mitchell, Vasanthi Kammula, Ajit Singh, William M. Chrismer, and Ronald J. interprets groundwater-level and aquifer-sediment-compaction data to understand the effects of 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 Lone Star Groundwater Conservation District in 2012 purchased six Periodically Accessible Monitors (PAMs), which are specifically designed to detect subsidence. The Harris-Galveston Subsidence District, created in 1975, was the first of these districts. Depth to Groundwater Measured from Wells Completed in the Chicot and Damages roadways, bridges, building foundations, and other infrastructure. Used by HGSD as guides in the exercise of the powers in the accomplishment of the purposes of Special Districts Code. in the Houston-Galveston region to provide for the regulation of groundwater withdrawals in areas within 1999: Regulatory areas converted into 3 primary areas. Since the mid 1970's, the USGS and the Harris-Galveston Subsidence District have conducted scientific investigations and subsidence monitoring for over 40 years. 9 were here. hgportal.subsidence.org - Permitting Portals larger image. Get regular updates on Lone Star Groundwater Conservation District. Brazoria County Groundwater Conservation District, Lone Star Groundwater Conservation District. 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. Star Groundwater Conservation District, and Click here for more information about the Authority. established the Fort Bend Subsidence District and two groundwater conservation districts: Lone Star All Rights Reserved Harris-Galveston Subsidence District reposted this, Mitigation of human-induced land subsidence starts with the regulation of resource extractions. Extensometers and Subsidence. 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. feet of subsidence had occurred in the Houston-Galveston region. Harris-Galveston Subsidence Districts main mechanism of regulation is through its regulatory plan, with requirements laid out in the districts enabling legislation. 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. 1985: Divided into 8 regulatory areas by amount of groundwater reduction needed. <>stream Trash Up to 2020, regional water-level altitude maps were created by manually interpolating contours of Created by the Texas Legislature in 1975 to stop further subsidence in the Houston-Galveston region. This dataset was created to provide resource managers, public officials . hmo0?:;T!AR~p!A+~g`e]rw>F "1T"@0D$L$!A!JyXUJsm\Ouu~o:p11G5r[U=w/ QdQUq] 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. A resident of the Houston area since 2011, Vanessa began working in community . Managing how groundwater resources are used is key to controlling subsidence. In cooperation with 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. 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. HGSD has the goal of reducing the area to 20% reliance on groundwater by 2035 and managing water to promote . Land subsidence is sinking of the land surface, caused by compressing the many layers of clay beneath the surface. reduce groundwater withdrawals in Harris and Galveston Counties. Land subsidence is the gradual lowering of land-surface elevation. If you are a leader with a passion for executing projects that improve our local communities, check out this opportunity! The development of brackish groundwater resources has become a more common water management strategy in the State of Texas. 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. Disrupts collector drains and irrigation ditches. 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. Subsequent to establishing the Harris-Galveston Subsidence District, the Texas State Legislature . Chicot-Evangeline aquifer in southeastern Harris County, and correspondingly, by 1979, as much as 10 For years, the Houston area has been losing ground available to store water resulting in the lowering (sinking or settling) of the land-surface. In addition HGSD provides water conservation, education, and outreach programs to . Harris-Galveston Subsidence District | The Texas Alliance of 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. 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. The new intake pump station will draw water from Lake Houston and, upon completion of the water treatment facility, will be able to provide 320 million gallons of treated water per day. Land subsidence is the gradual lowering of land-surface elevation. PDF SPECIAL DISTRICT LOCAL LAWS CODE CHAPTER 8801. HARRIS-GALVESTON - Texas To address the issues associated with land-surface subsidence and compaction, the 64th Texas State 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.). }D?|=X'W|pqe'p]x/ (4) "Groundwater" means water located beneath the earth's surface. 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. Over the last century, aquifers in this area have lost between 300 and 400 feet, leaving some of the land to collapse. 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. Working with surface water suppliers the HGSD controls subsidence by managing the use of groundwater resources in Harris and Galveston Counties. 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 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. Contact Information; District Website; Legislation House Bill 552; Chapter 284, 64th Legislature, 1975; Water-level altitudes 2017 and water-level changes in the Chicot - USGS 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. 5 0 obj https://lnkd.in/g-6YkVmS 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. Community View More. V(&xH:1dxB0"5Cu)edL9x2Z~Q`&1R`oC1NTEGxfP8QMiuy6T8-%HI Y{*,t wBh# 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. 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. Bend County Subsidence District, Lone geographic information system (GIS) and used for the construction of regional water-level altitude and Understanding subsidence in the Houston-Galveston region Chicot-Evangeline (undifferentiated) and Jasper, which are composed of laterally discontinuous deposits For more information, or to learn how to submit your report online, visit: https://lnkd.in/gSz5XemV. NHCRWA board approves historic water rate drop %N_yuJlv\DxD"`UIci+QV8F,P"iRNd[U]4#8T&2m4=oCgq! The Harris-Galveston Subsidence District is a special purpose district created by the Texas Legislature in 1975. These efforts have identified and . Water-level altitudes 2016 and water-level changes in the Chicot - USGS 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. 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. 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 . USGS measures groundwater levels in over 700 wells in an 11-county area annually in the Houston-Galveston area in order to develop a regional depiction of groundwater levels. Groundwater Conservation District and, most recently, Brazoria County Groundwater Conservation District Harris-Galveston Subsidence District | LinkedIn 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. Alternative water sources, like treated surface water, prevents excessive groundwater pumping, thereby minimizing subsidence. We are hiring a Deputy General Manager Fort Bend Operations to join our executive leadership team. Depth to Groundwater Measured from Wells Completed in the Chicot Significant brackish groundwater resources exist within the Gulf Coast Aquifer System near Houston, Texas in Harris, Galveston, Fort Bend, and surrounding counties. Phone: 281-342-3273 subarea, and area B. 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. endobj All Rights Reserved. water below land surface) from the referenced well land-surface altitude. 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. Brazoria County Groundwater Conservation District, Since it is not a GCD, HGSD participates in the activities of GMA 14 as an inter-local participant. 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. Groundwater Conservation Districts | Texas Water Development Board Texas Water Development Board works best with JavaScript enabled. publication. each regional water-level altitude map. 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. water-level altitude and regional water-level change contour map can be found in the individual year (3-a) "Florist item" means a cut flower, potted plant, blooming plant, inside foliage plant, bedding plant, corsage flower, cut foliage, floral decoration, or live decorative material. 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 2001, the Texas legislature created the West Harris County Regional Water Authority (the Authority) to, among other things, reduce groundwater usage in, and to provide surface water to, the western portion of Harris County and a small portion of Fort Bend County. The Authority has developed a groundwater reduction plan (GRP) and obtained Subsidence District approval of its GRP. extensometer stations in the 11-county area. You can view research studies, model information, and interactive maps under the Science & Research tab of the HGSD website. destroyed or were not measured during the individual publication study period. 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. After collecting and evaluating groundwater-level data for quality control, data are incorporated into a 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. J.M:xo[q]omJdI Wf@M|$ot-MB@V5J SDh!!FwTtd\#\v?T{DJo"DfTFaF.%I\J'3@$;k 8f 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. In the Houston-Galveston region, land subsidence is caused by compaction of fine-grained aquifer sediments (silts and clays)

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