Daily Reservoir and Pass-Thru Status Report
February 18, 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%
02/18/2022 201.5 278,904 42.1% 90.6 192,663 75.2% 471,567 51.3% 44.1 161,085 100.0%
02/17/2022 201.5 278,904 42.1% 90.6 192,663 75.2% 471,567 51.3% 44.0 161,085 100.0%
01/18/2022 201.9 285,141 43.0% 90.9 197,976 77.2% 483,117 52.6% 43.0 151,919 94.3%
02/18/2021 197.9 226,815 34.2% 86.4 126,081 49.2% 352,896 38.4% 43.7 158,306 98.3%
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
January YTD Remaining January YTD Remaining
02/17/2022 128 2,126 3,668 3,668 27,772 0 0 12,000
COLORADO RIVER WATER SUPPLY (CRWT)
Date Daily
Intake
MTD YTD Daily Flow MTD Flow Date Time Gage Height
02/17/2022 0 0 276 2,104 130,587 02/18/2022 7:15 AM 9.33
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  02/17/2022 MTD YTD 02/17/2022 MTD YTD 02/17/2022 MTD YTD
Air Temp 77     78        
Evaporation 370 2,326 6,090 348 2,637 6,495 718 4,963 12,585
Rainfall 0.00 0.23 0.59 0.00 0.16 1.14      
Stream Flows
Gauging Station 02/17/2022 MTD
NTRT Nueces River at Three Rivers, Texas 73 1,212
NRTT Nueces River at Tilden, Texas 0 0
FRTT Frio River at Tilden, Texas 0 3
SMTT San Miguel Creek at Tilden, Texas 0 0
ARWT Atascosa River at Whitsett, Texas 7 129
CCR Release from Choke Canyon Reservoir 58 939
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 210 2,888
NCAT Nueces River at Calallen, Texas 0 9
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 15 276
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 02/01/2022 0
Return Flow Credit Effective   500
Required Passthru Monthly Target 2,500   276
Reservoir Inflow 276
Estuary Inflows (NCAT + RBP) 9
Passthru Surplus / -Deficit 0
Report Generated 2/18/2022 at 10:44:57 AM