Daily Reservoir and Pass-Thru Status Report
January 9, 2022
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%
01/09/2022 202.0 286,713 43.3% 91.0 199,764 77.9% 486,477 52.9% 43.4 155,551 96.6%
01/08/2022 202.0 286,713 43.3% 91.1 201,561 78.6% 488,274 53.1% 43.4 155,551 96.6%
12/09/2021 202.4 293,042 44.2% 91.5 208,819 81.5% 501,861 54.6% 43.7 158,306 98.3%
01/09/2021 198.4 233,606 35.2% 86.7 130,369 50.9% 363,975 39.6% 44.0 161,085 100.0%
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
December YTD Remaining December YTD Remaining
01/08/2022 127 1,025 3,999 28,563 2,877 0 12,000 0
COLORADO RIVER WATER SUPPLY (CRWT)
Date Daily
Intake
MTD YTD Daily Flow MTD Flow Date Time Gage Height
01/08/2022 0 0 0 998 8,446 01/09/2022 7:15 AM 8.17
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  01/08/2022 MTD YTD 01/08/2022 MTD YTD 01/08/2022 MTD YTD
Air Temp 59     60        
Evaporation 28 891 891 21 966 966 49 1,857 1,857
Rainfall 0.00 0.07 0.07 0.02 0.05 0.05      
Stream Flows
Gauging Station 01/08/2022 MTD
NTRT Nueces River at Three Rivers, Texas 1,137 1,356
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 4 49
CCR Release from Choke Canyon Reservoir 58 461
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 156 1,372
NCAT Nueces River at Calallen, Texas 0 0
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 1,080 1,125
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 2,500   2,500
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied 01/01/2022 0
Return Flow Credit Effective   500
Required Passthru Monthly Target 2,500   1,125
Reservoir Inflow 1,125
Estuary Inflows (NCAT + RBP) 0
Passthru Surplus / -Deficit -625
Report Generated 1/9/2022 at 6:04:46 PM