Daily Reservoir and Pass-Thru Status Report
June 8, 2021
Reservoir Supply (AcFt); Stream Flow (AcFt); Evaporation (AcFt); Elevation (Ft); Rainfall (Inches); Temperature (°F); Gage Height (Ft MSL)
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%
06/08/2021 204.4 325,645 49.1% 91.1 201,561 78.6% 527,206 57.4% 43.9 160,156 99.4%
06/07/2021 204.2 322,313 48.6% 90.4 189,164 73.8% 511,477 55.6% 43.9 160,156 99.4%
05/08/2021 197.3 218,822 33.0% 85.6 115,055 44.9% 333,877 36.3% 43.9 160,156 99.4%
06/08/2020 201.8 283,575 42.8% 90.0 182,266 71.1% 465,841 50.7% 43.9 160,156 99.4%
LAKE TEXANA WATER SUPPLY*
* The split between Non-Interruptible and Interruptible amounts are updated monthly, usually the first working day of the month, so they reflect the total and remaining amounts as of the end of the previous month
Date Daily Intake MTD Non-Interuptible Interruptible
May YTD Remaining May YTD Remaining
06/07/2021 153 979 0 6,497 24,943 3,684 8,184 3,816
COLORADO RIVER WATER SUPPLY (CRWT)
Date Daily
Intake
MTD YTD Daily Flow MTD Flow Date Time Gage Height
06/07/2021 0 0 4,937 56,176 215,710 06/08/2021 7:15 AM 32.20
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  06/07/2021 MTD YTD 06/07/2021 MTD YTD 06/07/2021 MTD YTD
Air Temp 90     89        
Evaporation 272 1,468 25,302 220 1,376 22,992 492 2,844 48,294
Rainfall 0.00 1.02 15.91 0.00 2.3 16.89      
Stream Flows
Gauging Station 06/07/2021 MTD
NTRT Nueces River at Three Rivers, Texas 13,141 40,343
NRTT Nueces River at Tilden, Texas 1,524 13,214
FRTT Frio River at Tilden, Texas 2,958 31,063
SMTT San Miguel Creek at Tilden, Texas 90 7,449
ARWT Atascosa River at Whitsett, Texas 4,288 39,293
CCR Release from Choke Canyon Reservoir 0 191
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 397 2,519
NCAT Nueces River at Calallen, Texas 93 3,418
RBP Rincon Bayou Pipeline 200 726
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 16,188 78,665
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   619
Return Flow Credit Effective   500
Required Passthru Monthly Target 23,000   23,000
Reservoir Inflow 78,665
Estuary Inflows (NCAT + RBP) 4,143
Passthru Surplus / -Deficit -17,738
Report Generated 6/8/2021 at 9:36:46 AM