Daily Reservoir and Pass-Thru Status Report
November 28, 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%
11/28/2020 198.7 237,738 35.9% 87.1 136,207 53.1% 373,945 40.7% 42.7 149,224 92.6%
11/27/2020 198.7 237,738 35.9% 87.1 136,207 53.1% 373,945 40.7% 42.5 147,442 91.5%
10/28/2020 199.2 244,729 36.9% 87.8 146,723 57.2% 391,452 42.6% 43.4 155,551 96.6%
11/28/2019 203.1 304,274 45.9% 90.9 197,976 77.2% 502,250 54.6% 40.1 126,918 78.8%
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
11/27/2020 131 2,163 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
11/27/2020 0 1,313 12,546 734 21,158 11/28/2020 7:15 AM 7.95
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  11/27/2020 MTD YTD 11/27/2020 MTD YTD 11/27/2020 MTD YTD
Air Temp 82     86        
Evaporation 234 3,750 74,844 77 3,386 66,014 311 7,136 140,858
Rainfall 2.16 2.2 22.81 0.31 0.31 29.96      
Stream Flows
Gauging Station 11/27/2020 MTD
NTRT Nueces River at Three Rivers, Texas 56 1,503
NRTT Nueces River at Tilden, Texas 0 0
FRTT Frio River at Tilden, Texas 0 1
SMTT San Miguel Creek at Tilden, Texas 0 0
ARWT Atascosa River at Whitsett, Texas 0 6
CCR Release from Choke Canyon Reservoir 58 1,554
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 187 4,468
NCAT Nueces River at Calallen, Texas 0 88
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) 88
Passthru Surplus / -Deficit 0
Report Generated 11/28/2020 at 10:12:07 AM