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Plaintiffs' EXHIBIT NO. 1 (1 of 2)
Plaintiffs' EXHIBIT NO. 1 (2 of 2)
Plaintiffs' EXHIBIT NO. 2 (1 of 13)
Plaintiffs' EXHIBIT NO. 2 (2 of 13)
Plaintiffs' EXHIBIT NO. 2 (3 of 13)
Plaintiffs' EXHIBIT NO. 2 (4 of 13)
Plaintiffs' EXHIBIT NO. 2 (5 of 13)
Plaintiffs' EXHIBIT NO. 2 (6 of 13)
Plaintiffs' EXHIBIT NO. 2 (7 of 13)
Plaintiffs' EXHIBIT NO. 2 (8 of 13)
Plaintiffs' EXHIBIT NO. 2 (9 of 13)
Plaintiffs' EXHIBIT NO. 2 (10 of 13)
Plaintiffs' EXHIBIT NO. 2 (11 of 13)
Plaintiffs' EXHIBIT NO. 2 (12 of 13)
Plaintiffs' EXHIBIT NO. 2 (13 of 13)
EDWARDS AQUIFER REGION 1615 N. St Mary’s Street • San Antonio, Texas 78215 • 210.222.2204 • 1.800.292.1047 • www.edwardsaquifer.org
Drainage basins in the drainage area collect surface water runoff and funnel it into streams that cross the recharge zone.
In the artesian zone, the water flows generally from west to east.
Drainage Area
County Lines
Recharge Zone
San Antonio City Limits
Artesian Zone
Minor Rivers
EAA Jurisdictional Boundary
Major Rivers
Water movement through the Edwards Limestone is generally slower south and east of the fresh water zone. This water remains in contact with the limestone and gypsum longer, allowing dissolved mineral concentrations to increase to over 1,000 milligrams/liter.
NORTH EAST
WEST
Intermittent Streams
SOUTH
How Does The Aquifer Work? About 85% of precipitation falling on the area is lost back to the atmosphere by evaporation or by transpiration of water vapor from vegetation.
This generalized diagram of a north-south cross section of the Edwards Aquifer region highlights the key components of the aquifer and how they inter-relate and function to form a natural underground system for storing water. The Edwards Aquifer is a karst aquifer, which means it consists of porous, honeycombed formations of Edwards Limestone and other associated limestones that serve as natural conduits through which water travels and is stored under ground. Water reaches the aquifer as rain runoff that first collects on the drainage area (Edwards Plateau), soaks into the water table, and then emerges as spring-fed
North
streams that flow downhill to the recharge zone. In the recharge zone, where the Edwards Limestone is exposed at the land surface, the water actually enters the aquifer through cracks, crevices, caves, and sinkholes, and then percolates further underground into the artesian zone. Here, a complex network of interconnected spaces, varying in size from microscopic pores to open caverns, stores and carries water in a west to east direction. Because water in the artesian zone is under pressure, there are areas where water is forced back to the surface through openings such as springs and free-flowing wells. Where there is not enough artesian pressure to force water to the surface, wells equipped with pumps can extract water from the aquifer for human use.
E VA
PO R AT I O N
Recharge dams slow storm water runoff over the recharge zone so more water runs into the aquifer.
Surface water reservoirs downstream of the recharge zone hold stream runoff but do not recharge the aquifer.
Surface streams flow beyond the aquifer area all the way to the bays and estuaries of the Gulf Coast.
Flowing artesian wells and springs exist where hydraulic pressure is sufficient to force the water up through wells and faults to the surface. Pumps are used where there is less hydraulic pressure.
Rainfall over the area south and east of the recharge zone has little effect on recharge.
Water in the artesian zone of the porous Edwards Limestone is confined between two relatively less permeable geologic formations.
South
Plaintiffs' EXHIBIT NO. 3
Plaintiffs' EXHIBIT NO. 4
Plaintiffs' EXHIBIT NO. 5
Groundwater Management Area 10 - Modeled Available Groundwater
Aquifer Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Leona Gravel Leona Gravel Leona Gravel Saline Edwards (BFZ) Saline Edwards (BFZ) Saline Edwards (BFZ) Saline Edwards (BFZ) Saline Edwards (BFZ) Saline Edwards (BFZ) Edwards (BFZ) Edwards (BFZ) Edwards (BFZ) Austin Chalk Buda Limestone Edwards (BFZ) Edwards (BFZ)
County Bexar Caldwell Comal Comal Guadalupe Guadalupe Hays Hays Medina Medina Travis Travis Uvalde Medina Medina Uvalde Caldwell Caldwell Hays Hays Travis Travis Hays Hays Travis Uvalde Uvalde Kinney Kinney
Regional Water Planning Area L L L L L L K L L L K K L L L L L L K L K K K L K L L J J
Modeled Available Groundwater River Basin San Antonio Guadalupe Guadalupe San Antonio Guadalupe San Antonio Colorado Guadalupe Nueces San Antonio Colorado Guadalupe Nueces Nueces San Antonio Nueces Colorado Guadalupe Colorado Guadalupe Colorado Guadalupe Colorado Guadalupe Colorado Nueces Nueces Nueces Rio Grande
TWDB Report 2010 19,998 0 27,176 2,108 0 0 955 2,860 4,373 996 634 7 639 12,369 4,013 9,385 64 134 9 235 699 39 2,292 307 1,166 2,935 758 6,319 2
2020 19,998 0 27,176 2,108 0 0 955 2,860 4,373 996 634 7 639 12,369 4,013 9,385 64 134 9 235 699 39 2,292 307 1,166 2,935 758 6,319 2
2030 19,998 0 27,176 2,108 0 0 955 2,860 4,373 996 634 7 639 12,369 4,013 9,385 64 134 9 235 699 39 2,292 307 1,166 2,935 758 6,319 2
Plaintiffs' EXHIBIT NO. 6
2040 19,998 0 27,176 2,108 0 0 955 2,860 4,373 996 634 7 639 12,369 4,013 9,385 64 134 9 235 699 39 2,292 307 1,166 2,935 758 6,319 2
2050 19,998 0 27,176 2,108 0 0 955 2,860 4,373 996 634 7 639 12,369 4,013 9,385 64 134 9 235 699 39 2,292 307 1,166 2,935 758 6,319 2
2060 19,998 0 27,176 2,108 0 0 955 2,860 4,373 996 634 7 639 12,369 4,013 9,385 64 134 9 235 699 39 2,292 307 1,166 2,935 758 6,319 2
AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-29 MAG AA 10-07 MAG AA 10-07 MAG AA 10-28 MAG AA 10-35 MAG AA 10-35 MAG AA 10-35 MAG AA 10-35 MAG AA 10-35 MAG AA 10-35 MAG GR 10-059 MAG Version 2 GR 10-059 MAG Version 2 GR 10-059 MAG Version 2 AA 10-26 MAG AA 10-27 MAG GR 12-002 MAG GR 12-002 MAG
Groundwater Management Area 10 Desired Future Conditions
Aquifer
Desired Future Condition Summary
Austin Chalk (Uvalde County) No drawdown (including exempt and non-exempt use).
Date Desired Future Condition Adopted 8/23/2010
Buda Limestone (Uvalde County)
No drawdown (including exempt and non-exempt use).
Edwards (BFZ) Northern Subdivision
Springflow at Barton Springs during average recharge conditions shall be no less than 49.7 cubic feet per second averaged over an 84 month (7-year) period; and during extreme drought conditions, including those as severe as a recurrence of the 1950s drought of record, springflow of Barton Springs shall be no less than 6.5 cubic feet per second averaged on a monthly basis.
8/4/2010
Edwards (BFZ) Northern Subdivision Saline Zone
Well drawdown at the saline-freshwater interface (the so-called Edwards Bad Water Line) averages no more than 5 feet and does not exceed a maximum of 25 feet at any one point on the interface.
8/4/2010
Desired future conditions and modeled available groundwater for the Edwards Aquifer within jurisdiction of the Edwards Aquifer Authority are set by the Texas Legislature (Act of May 28, 2007, 80th Leg., R.S., ch. 1351, § § 2.02 and 2.06, 2007 Tex. Gen. Laws, 4612, 4627, and 4627; Act of Edwards (BFZ) San Antonio May 28, 2007, 80th Leg., R.S. ch. 1430, § § 12.02 and 12.06, 2007 Tex. Gen. Laws 5848, 5901, and Segment within Edwards 5903). The DFCs are specified in Sections 1.14(a), (f), (h), and 1.26 of the Edwards Aquifer Authority Aquifer Authority Act. The DFCs are specificed in Sections 1.14(a), (f), (h), and 1.26 of the Edwards Aquifer Authority Act, and relate to levels in index wells (J-17 in the San Antonio pool and J-27 in the Uvalde pool) or flows in the Comal Springs and San Marcos Springs. Refer to the Edwards Aquifer Authority Groundwater Managment Plan for details. Edwards (Kinney County)
8/23/2010
5/28/2007
Water level in well number 70-38-902 shall not fall below 1184 feet mean sea level.
8/4/2010
Leona Gravel (Medina County)
Average drawdown of 15 feet.
5/17/2010
Leona Gravel (Uvalde County)
No drawdown (including exempt and non-exempt use).
8/23/2010
Trinity
Average regional well drawdown not exceeding 25 feet during average recharge conditions (including exempt and non-exempt use); within Hays-Trinity Groundwater Conservation District: no drawdown; within Uvalde County: 20 feet. Not relevant in Trinity-Glen Rose GCD. Note: Hays-Trinity Groundwater Conservation District and Trinity-Glen Rose Groundwater Conservation District are no longer within the Groundwater Management Area 10 boundary.
Plaintiffs' EXHIBIT NO. 7
8/23/2010
Groundwater Management Area 9 - Modeled Available Groundwater
Aquifer Marble Falls Ellenburger-San Saba Ellenburger-San Saba Hickory Hickory Edwards-Trinity (Plateau) Edwards-Trinity (Plateau) Edwards-Trinity (Plateau) Edwards-Trinity (Plateau) Edwards-Trinity (Plateau) Edwards-Trinity (Plateau) Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity Trinity
County Blanco Blanco Blanco Blanco Blanco Bandera Bandera Bandera Kendall Kendall Kendall Bandera Bandera Bandera Bexar Blanco Blanco Comal Comal Hays Hays Kendall Kendall Kendall Kerr Kerr Kerr Kerr Medina Medina Travis
Regional Water Planning Area K K K K K J J J L L L J J J L K K L L K L L L L J J J J L L K
Modeled Available Groundwater River Basin Colorado Colorado Guadalupe Colorado Guadalupe Guadalupe Nueces San Antonio Colorado Guadalupe San Antonio Guadalupe Nueces San Antonio San Antonio Colorado Guadalupe Guadalupe San Antonio Colorado Guadalupe Colorado Guadalupe San Antonio Colorado Guadalupe Nueces San Antonio Nueces San Antonio Colorado
TWDB Report 2010 261 2,655 6 1,162 1 21 101 561 46 103 169 76 903 6,305 24,856 1,322 1,251 6,906 3,308 4,721 4,410 135 6,028 4,976 318 15,646 0 471 1,575 925 8,920
2020 261 2,655 6 1,162 1 21 101 561 46 103 169 76 903 6,305 24,856 1,322 1,251 6,906 3,308 4,710 4,410 135 6,028 4,976 318 14,129 0 471 1,575 925 8,672
2030 261 2,655 6 1,162 1 21 101 561 46 103 169 76 903 6,305 24,856 1,322 1,251 6,906 3,308 4,707 4,410 135 6,028 4,976 318 14,056 0 471 1,575 925 8,655
Plaintiffs' EXHIBIT NO. 8
2040 261 2,655 6 1,162 1 21 101 561 46 103 169 76 903 6,305 24,856 1,322 1,251 6,906 3,308 4,706 4,410 135 6,028 4,976 318 13,767 0 471 1,575 925 8,643
2050 261 2,655 6 1,162 1 21 101 561 46 103 169 76 903 6,305 24,856 1,322 1,251 6,906 3,308 4,706 4,410 135 6,028 4,976 318 13,450 0 471 1,575 925 8,627
2060 261 2,655 6 1,162 1 21 101 561 46 103 169 76 903 6,305 24,856 1,322 1,251 6,906 3,308 4,706 4,410 135 6,028 4,976 318 13,434 0 471 1,575 925 8,598
AA 10-14 MAG AA 10-01 MAG AA 10-01 MAG AA 10-02 MAG AA 10-02 MAG GR 10-049 MAG GR 10-049 MAG GR 10-049 MAG GR 10-049 MAG GR 10-049 MAG GR 10-049 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG GR 10-050 MAG
Groundwater Management Area 9 Desired Future Conditions
Aquifer
Desired Future Condition Summary
Date Desired Future Condition Adopted
Edwards Group of EdwardsTrinity (Plateau)
No net increase in average drawdown in Kendall and Bandera counties. Not relevant in Kerr and Blanco counties.
7/26/2010
Ellenburger-San Saba
Allow for an increase in average drawdown of no more than 2 feet [in Blanco County].
8/29/2008
Hickory
Allow for an increase in average drawdown of no more than 7 feet [in Blanco County].
8/29/2008
Marble Falls
Allow for no net increase in average drawdown [in Blanco County].
8/29/2008
Trinity
Allow for an increase in average drawdown of approximately 30 feet through 2060.
7/26/2010
Plaintiffs' EXHIBIT NO. 9
Priority Groundwater Management Areas (PGMAs) Dallam County PGMA - 1990
Briscoe, Swisher, and Hale County PGMA - 1990
Dallam
Sherman Hansford Ochiltree Lipscomb
Hartley
Moore Hutchinson Roberts Hemphill
Oldham
Potter
Deaf Smith Parmer
Bailey
Carson
Gray
North - Central Texas Trinity and Woodbine Aquifers PGMA - 2009
Wheeler
Randall Armstrong Donley Collingsworth
Castro
Swisher Briscoe
´
Hall Childress Hardeman
Lamb
Hale
Floyd
Motley
Cottle
Cochran Hockley Lubbock Crosby Dickens
King
Foard Knox
Wilbarger
Baylor
Wichita Archer
Clay
Montague Cooke
Grayson
Fannin
Lamar Red River Delta
Bowie
Titus Jack Wise Denton Collin Yoakum Terry Lynn Kent Stonewall Haskell Garza Young Hunt HopkinsFranklin Morris Cass Camp Throckmorton Rockwall Rains Marion Wood Upshur Parker Tarrant Dallas Gaines Dawson Borden Scurry Fisher StephensPalo Pinto Jones Kaufman Harrison Van Zandt Shackelford Gregg Smith Hood Johnson Ellis Andrews Eastland Martin Howard Mitchell Nolan Taylor Callahan Panola Henderson Erath Somervell Rusk Navarro Hill Comanche Shelby AndersonCherokee Bosque Loving Winkler Ector Midland Glasscock Coke Sterling Runnels Coleman Brown Freestone Nacogdoches Hamilton Tom Green McLennan Limestone Ward Mills San AugustineSabine Crane Coryell Houston Upton Reagan Leon Reeves Angelina Concho Irion Falls Lampasas McCulloch Trinity San Saba Robertson Madison Bell Tyler JasperNewton Menard Schleicher Polk Milam Walker Pecos Burnet Crockett Mason Brazos Llano Williamson San Jacinto Grimes Burleson Kimble Sutton Hardin Montgomery Travis Lee Gillespie Blanco Orange Washington Liberty Terrell Bastrop Jefferson Hays Kerr Waller Edwards Austin Harris Kendall Fayette Val Verde Caldwell Real Comal Chambers Brewster Bandera Colorado Guadalupe Fort Bend Galveston Gonzales Lavaca Bexar Medina Uvalde Kinney Wharton Brazoria Wilson De Witt Jackson Maverick Atascosa Karnes Frio Zavala Victoria Matagorda Goliad Calhoun Bee Refugio Dimmit La Salle McMullen Live Oak
El Paso County PGMA - 1998 El Paso Hudspeth
Culberson
Jeff Davis
Presidio
Reagan, Upton and Midland County PGMA - 1990
San Patricio
Hill Country PGMA - 1990 (Includes Northern Bexar County Study Area - 2001)
Webb
Duval
Central Texas Trinity Aquifer PGMA - 2008
Nueces
Kleberg Zapata
Jim Hogg Brooks
Starr
Designated PGMA
Jim Wells
Aransas
Hidalgo
Kenedy
Willacy Cameron
Major and Minor Aquifers 0
County
Plaintiffs' EXHIBIT NO. 10
55
110 Miles
This map was prepared by the TCEQ for display purposes only. No claims are made to the accuracy or completeness of the information shown here nor is this map suitable for any other use. The scale and location of mapped data are approximate. For more information about this map, please contact TCEQ Groundwater Planning and Assessment Team. December 2013.
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s
Priority Groundwater Management Area (PGMA) and the Electro Purification Test Wells 2
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s
1
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ile Odell 2
" / Odell 1 Odell 3
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Bridges 4
Bridges 3
Legend
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Buffers PGMA
2 Miles
PGMA boundary from the Texas Water Development Board, 2015. Map created by BSEACD 3/13/15.
EP Test Wells
Sources: Esri, DeLorme, NAVTEQ, TomTom, Intermap, increment P Corp., GEBCO, USGS, FAO, NPS, NRCAN, GeoBase, IGN, Kadaster NL, Ordnance Survey, Esri Japan, METI, Esri China (Hong Kong), swisstopo, and the GIS User Community
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