Daily Reservoir and Pass-Thru Status Report
November 15, 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%
11/15/2020 198.8 239,125 36.1% 87.3 139,175 54.3% 378,300 41.2% 42.9 151,018 93.8%
11/14/2020 198.9 240,518 36.3% 87.3 139,175 54.3% 379,693 41.3% 42.9 151,018 93.8%
10/15/2020 199.4 247,569 37.4% 87.7 145,198 56.6% 392,767 42.7% 43.7 158,306 98.3%
11/15/2019 203.2 305,894 46.2% 91.1 201,561 78.6% 507,455 55.2% 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
11/14/2020 60 853 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
11/14/2020 67 946 12,179 792 11,473 11/15/2020 7:15 AM 8.03
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  11/14/2020 MTD YTD 11/14/2020 MTD YTD 11/14/2020 MTD YTD
Air Temp 89     90        
Evaporation 170 1,858 72,952 165 1,780 64,408 335 3,638 137,360
Rainfall 0.00 0.01 20.62 0.00 0 29.65      
Stream Flows
Gauging Station 11/14/2020 MTD
NTRT Nueces River at Three Rivers, Texas 55 793
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 0 748
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 156 2,257
NCAT Nueces River at Calallen, Texas 0 62
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 55 61
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   61
Reservoir Inflow 61
Estuary Inflows (NCAT + RBP) 62
Passthru Surplus / -Deficit 0
Report Generated 11/15/2020 at 9:19:43 AM