Daily Reservoir and Pass-Thru Status Report
March 1, 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%
03/01/2022 201.4 277,357 41.8% 90.4 189,164 73.8% 466,521 50.8% 43.9 160,156 99.4%
02/28/2022 201.4 277,357 41.8% 90.4 189,164 73.8% 466,521 50.8% 43.9 160,156 99.4%
02/01/2022 201.7 282,012 42.5% 90.8 196,197 76.5% 478,209 52.0% 44.1 161,085 100.0%
03/01/2021 197.8 225,471 34.0% 86.4 126,081 49.2% 351,552 38.2% 43.5 156,467 97.1%
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
February YTD Remaining February YTD Remaining
02/28/2022 120 3,346 0 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
02/28/2022 0 156 588 1,594 149,560 03/01/2022 7:15 AM 8.84
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  02/28/2022 MTD YTD 02/28/2022 MTD YTD 02/28/2022 MTD YTD
Air Temp 66     67        
Evaporation 215 3,802 7,566 81 3,889 7,747 296 7,691 15,313
Rainfall 0.00 0.38 0.74 0.00 0.54 1.52      
Stream Flows
Gauging Station 02/28/2022 MTD
NTRT Nueces River at Three Rivers, Texas 66 1,968
NRTT Nueces River at Tilden, Texas 0 0
FRTT Frio River at Tilden, Texas 0 5
SMTT San Miguel Creek at Tilden, Texas 0 0
ARWT Atascosa River at Whitsett, Texas 4 181
CCR Release from Choke Canyon Reservoir 58 1,572
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 141 4,750
NCAT Nueces River at Calallen, Texas 22 47
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 9 401
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   401
Reservoir Inflow 401
Estuary Inflows (NCAT + RBP) 47
Passthru Surplus / -Deficit 0
Report Generated 3/1/2022 at 8:28:33 AM