Daily Reservoir and Pass-Thru Status Report
November 13, 2020
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%
11/13/2020 198.9 240,518 36.3% 87.3 139,175 54.3% 379,693 41.3% 42.9 151,018 93.8%
11/12/2020 198.9 240,518 36.3% 87.3 139,175 54.3% 379,693 41.3% 42.9 151,018 93.8%
10/13/2020 199.4 247,569 37.4% 87.8 146,723 57.2% 394,292 42.9% 43.8 159,229 98.8%
11/13/2019 203.3 307,518 46.4% 91.1 201,561 78.6% 509,079 55.4% 40.5 130,232 80.8%
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
October YTD Remaining October YTD Remaining
11/12/2020 60 733 2,587 25,042 6,398 0 4,500 7,500
COLORADO RIVER WATER SUPPLY (CRWT)
Date Daily
Intake
MTD YTD Daily Flow MTD Flow Date Time Gage Height
11/12/2020 67 811 12,044 808 9,885 11/13/2020 7:15 AM 8.05
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  11/12/2020 MTD YTD 11/12/2020 MTD YTD 11/12/2020 MTD YTD
Air Temp 82     84        
Evaporation 138 1,607 72,701 113 1,563 64,191 251 3,170 136,892
Rainfall 0.00 0.01 20.62 0.00 0 29.65      
Stream Flows
Gauging Station 11/12/2020 MTD
NTRT Nueces River at Three Rivers, Texas 56 682
NRTT Nueces River at Tilden, Texas 0 0
FRTT Frio River at Tilden, Texas 0 0
SMTT San Miguel Creek at Tilden, Texas 0 0
ARWT Atascosa River at Whitsett, Texas 0 6
CCR Release from Choke Canyon Reservoir 58 691
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 163 1,945
NCAT Nueces River at Calallen, Texas 0 61
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: NRTT+FRTT+SMTT+ARWT 0 6
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 4,000   4,000
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied   756
Return Flow Credit Effective   500
Required Passthru Monthly Target 4,000   6
Reservoir Inflow 6
Estuary Inflows (NCAT + RBP) 61
Passthru Surplus / -Deficit 0
Report Generated 11/13/2020 at 9:43:15 AM