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Daily Reservoir System and Pass-Thru Status Report Prosposed Water Supply Index
June 25, 2017 Value Stage # Stage Name
Under Review
Reservoir Supply (AcFt); Stream Flow (AcFt); Evaporation (AcFt); Elevation (Ft); Rainfall (Inches); Temperature (°F)
RESERVOIR STATISTICS
Effective June 24, 2017, updated total reservor capacities for Choke Canyon Reservoir (2012 TWDB Volumetric Survey) and
Lake Corpus Christi (2016 TWDB Volumetric Survey) are being reflected in the Daily Reservoir System and Pass-Thru Status Report
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined Lake Texana
Date Elevation Volume % Capacity Elevation Volume % Capacity Volume % Capacity Elevation Volume % Capacity
FULL 220.5 662,821 100% 94.0 256,339 100% 919,160 100% 44.0 161,085 100%
06/25/2017 198.8 239,125 36.1% 91.6 210,649 82.2% 449,774 48.9% 42.9 151,018 93.8%
06/24/2017 198.8 239,125 36.1% 91.7 212,485 82.9% 451,610 49.1% 42.9 151,018 93.8%
05/25/2017 199.4 266,231 40.2% 92.5 230,654 90.0% 496,885 54.1% 43.7 158,306 98.3%
06/25/2016 199.2 263,545 39.8% 90.0 187,954 73.3% 451,499 49.1% 44.1 162,101 100.6%
LAKE TEXANA WATER SUPPLY* COLORADO  WATER SUPPLY
Date Daily Intake MTD Non-Interruptible Interruptible Daily Intake MTD YTD
May YTD Remaining May YTD Remaining
06/24/2017 133 3,183 0 13,910 27,930 0 4,500 7,500 0 0 31
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  06/24/2017 MTD YTD 06/24/2017 MTD YTD MTD YTD
Air Temp 85     89        
Evaporation 187 8,397 39,004 107 8,032 44,688 16,429 83,692
Rainfall 0.00 0.06 10.01 0.42 0.42 7.42      
Stream Flows
Gauging Station 06/24/2017 MTD
NTRT Nueces River at Three Rivers, Texas 137 4,681
NRTT Nueces River at Tilden, Texas 62 2,637
FRTT Frio River at Tilden, Texas 0 158
SMTT San Miguel Creek at Tilden, Texas 0 8
ARWT Atascosa River at Whitsett, Texas 9 1,335
CCR Release from Choke Canyon Reservoir 58 1,382
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 369 6,889
NCAT Nueces River at Calallen, Texas 26 1,527
RBP Rincon Bayou Pipeline 173 2,463
CRWT Colorado River at Wharton, Texas 1,828 42,374
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 79 3,465
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 23,000   23,000
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied 06/04/2017 -1,610
Return Flow Credit Effective 06/04/2017 500
Required Passthru Monthly Target 23,000 0 3,465
Reservoir Inflow 3,465
Estuary Inflows (NCAT + RBP) 3,991
Passthru Surplus / -Deficit -585
* Non-Interruptible YTD  includes  current month's combined take.   Interruptible amounts are updated monthly, usually the first working day of the month.
Report Generated 6/25/2017 at 8:09:02 AM

Updated: 5/23/16 1:40:51 pm. ©2017 (NRA) ** All rights reserved.