Daily Reservoir and Pass-Thru Status Report
January 30, 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%
01/30/2022 201.7 282,012 42.5% 90.7 194,426 75.8% 476,438 51.8% 42.8 150,120 93.2%
01/29/2022 201.6 280,455 42.3% 90.8 196,197 76.5% 476,652 51.9% 42.8 150,120 93.2%
12/30/2021 202.2 289,869 43.7% 91.2 203,365 79.3% 493,234 53.7% 43.7 158,306 98.3%
01/30/2021 198.2 230,875 34.8% 86.6 128,931 50.3% 359,806 39.1% 43.8 159,229 98.8%
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
December YTD Remaining December YTD Remaining
01/29/2022 127 3,419 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
01/29/2022 0 276 276 923 28,554 01/30/2022 7:15 AM 8.11
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  01/29/2022 MTD YTD 01/29/2022 MTD YTD 01/29/2022 MTD YTD
Air Temp 63     65        
Evaporation 136 3,537 3,537 113 3,734 3,734 249 7,271 7,271
Rainfall 0.00 0.17 0.17 0.00 0.53 0.53      
Stream Flows
Gauging Station 01/29/2022 MTD
NTRT Nueces River at Three Rivers, Texas 69 1,502
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 6 222
CCR Release from Choke Canyon Reservoir 58 1,669
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 146 4,687
NCAT Nueces River at Calallen, Texas 6 43
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 11 279
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   279
Reservoir Inflow 279
Estuary Inflows (NCAT + RBP) 43
Passthru Surplus / -Deficit 0
Report Generated 1/30/2022 at 1:08:32 PM