Daily Reservoir and Pass-Thru Status Report
November 27, 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%
11/27/2020 198.7 237,738 35.9% 87.1 136,207 53.1% 373,945 40.7% 42.5 147,442 91.5%
11/26/2020 198.7 237,738 35.9% 87.1 136,207 53.1% 373,945 40.7% 42.5 147,442 91.5%
10/27/2020 199.2 244,729 36.9% 87.7 145,198 56.6% 389,927 42.4% 43.4 155,551 96.6%
11/27/2019 203.1 304,274 45.9% 91.0 199,764 77.9% 504,038 54.8% 40.2 127,743 79.3%
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
11/26/2020 131 2,032 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
11/26/2020 0 1,313 12,546 728 20,424 11/27/2020 7:15 AM 7.98
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  11/26/2020 MTD YTD 11/26/2020 MTD YTD 11/26/2020 MTD YTD
Air Temp 82     84        
Evaporation 48 3,516 74,610 60 3,309 65,937 108 6,825 140,547
Rainfall 0.01 0.04 20.65 0.00 0 29.65      
Stream Flows
Gauging Station 11/26/2020 MTD
NTRT Nueces River at Three Rivers, Texas 55 1,448
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 1,497
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 210 4,281
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 11/27/2020 at 7:51:37 AM