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The Environment




GMA-8 Desired Future Conditions for the North Trinity Aquifer (DRAFT), the Woodbine Aquifer (FINAL), and the Edwards (Balcones Fault Zone) Aquifer (FINAL)

All draw downs based from estimated year 2000 conditions.

Bell County (Clearwater UWCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 134 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 155 feet) after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 286 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 319 feet after 50 years.

Edwards (Balcones Fault Zone) Aquifer

  • Maintain at least 100 acre-feet per month of stream/spring flow in Salado Creek during a repeat of the drought of record.

Bosque County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 26 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 33 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 201 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 220 feet after 50 years.

Brown County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 2 feet after 50 years.

Burnet County (Central Texas GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 11 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 29 feet after 50 years.

Callahan County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Hensell aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 2 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 154 feet after 50 years

Collin County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 298 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 247 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 224 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 236 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 154 feet after 50 years

Comanche County (Middle Trinity GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 2 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 11 feet after 50 years.

Cooke County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 26 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 42 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 60 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 78 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 0 feet after 50 years.

Coryell County (Tablerock GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 15 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 15 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 156 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 179 feet after 50 years.

Dallas County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 240 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 224 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 263 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 290 feet after 50 years.

Woodbine Aquifer

  • the average draw down of the Woodbine aquifer should not exceed approximately 112 feet after 50 years.

Delta County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 175 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 162 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 162 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 159 feet after 50 years.

Denton County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 98 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 134 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 180 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 214 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 16 feet after 50 years.

Eastland County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 0 feet after 50 years.

Ellis County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 265 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 283 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 336 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 362 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 102 feet after 50 years.

Erath County (Middle Trinity GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 11 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 27 feet after 50 years.

Falls County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 279 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 354 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 459 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 480 feet after 50 years.

Fannin County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 212 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 196 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 182 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 181 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 186 feet after 50 years.

Grayson County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 175 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 160 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 161 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 165 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 28 feet after 50 years.

Hamilton County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 2 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 39 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 51 feet after 50 years.

Hill County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 209 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 253 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 381 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 406 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 87 feet after 50 years.

Hood County (Upper Trinity GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 2 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 16 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 56 feet after 50 years.

Hunt County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 286 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 245 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 215 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 223 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 353 feet after 50 years.

Johnson County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 37 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 83 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 208 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 234 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 4 feet after 50 years.

Kaufman County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 303 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 286 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 295 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 312 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 211 feet after 50 years.

Lamar County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 132 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 130 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 136 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 134 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 297 feet after 50 years

Lampasas County (Saratoga UWCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 12 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 23 feet after 50 years.

Limestone County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 328 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 392 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 475 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 492 feet after 50 years.

McLennan County (McLennan County GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 251 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 291 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 489 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 527 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 61 feet after 50 years.

Milam County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 252 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 294 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 337 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 344 feet after 50 years.

Mills County (Fox Crossing Water District)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 3 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 12 feet after 50 years.

Montague County (Upper Trinity GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 0 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 3 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 12 feet after 50 years.

Navarro County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 344 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 353 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 399 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 413 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 177 feet after 50 years.

Parker County (Upper Trinity GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 5 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 6 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 16 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 40 feet after 50 years.

Red River County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 82 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 77 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 78 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 78 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 202 feet after 50 years

.

Rockwall County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 346 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 272 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 248 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 265 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 241 feet after 50 years.

Somervell County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 1 foot after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 4 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 53 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 114 feet after 50 years.

Tarrant County (Northern Trinity GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 33 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 75 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 160 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 173 feet after 50 years.

Woodbine Aquifer

  • The average draw down of the Woodbine aquifer should not exceed approximately 2 feet after 50 years.

Taylor County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Hosston aquifer should not exceed approximately 3 feet after 50 years.

Travis County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 124 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 61 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 98 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 116 feet after 50 years.

Edwards (Balcones Fault Zone) Aquifer

  • Maintain at least 42 acre-feet per month of aggregated stream/spring flow during a repeat of the drought of record.

Williamson County

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 108 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 88 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 142 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 166 feet after 50 years.

Edwards (Balcones Fault Zone) Aquifer

  • Maintain at least 60 acre-feet per month of aggregated stream/spring flow during a repeat of the drought of record.

Wise County (Upper Trinity GCD)

N. Trinity Aquifer - DRAFT
  • The average draw down of the Paluxy aquifer should not exceed approximately 4 feet after 50 years.
  • The average draw down of the Glen Rose aquifer should not exceed approximately 14 feet after 50 years.
  • The average draw down of the Hensell aquifer should not exceed approximately 23 feet after 50 years.
  • The average draw down of the Hosston aquifer should not exceed approximately 53 feet after 50 years.

Information on draw downs in the Trinity Aquifer are from this document:
http://www.gma8.org/images/stories/dfcs/dfc%20draft%20per%20gam%2008-06%2002sep08.pdf

Information on draw downs in the Woodbine Aquifer are from this document:
http://www.gma8.org/images/stories/desired%20future%20conditions%20for%20the%20woodbine%20aquifer_final.pdf

Information on draw downs in the Edwards Balcones Fault Zone Aquifer are from this document:
http://www.gma8.org/images/stories/desired%20future%20conditions%20for%20the%20n.%20edwards%20aquifer_final.pdf

 

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