Daily Reservoir and Pass-Thru Status Report
March 14, 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%
03/14/2022 201.2 274,279 41.4% 90.2 185,698 72.4% 459,977 50.0% 43.4 155,551 96.6%
03/13/2022 201.2 274,279 41.4% 90.2 185,698 72.4% 459,977 50.0% 43.5 156,467 97.1%
02/14/2022 201.6 280,455 42.3% 90.6 192,663 75.2% 473,118 51.5% 44.1 161,085 100.0%
03/14/2021 197.7 224,131 33.8% 86.1 121,874 47.5% 346,005 37.6% 43.3 154,639 96.0%
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
February YTD Remaining February YTD Remaining
03/13/2022 112 1,525 0 3,668 27,772 3,346 3,346 8,654
COLORADO RIVER WATER SUPPLY (CRWT)
Date Daily
Intake
MTD YTD Daily Flow MTD Flow Date Time Gage Height
03/13/2022 0 0 432 1,308 18,091 03/14/2022 7:15 AM 8.56
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  03/13/2022 MTD YTD 03/13/2022 MTD YTD 03/13/2022 MTD YTD
Air Temp 69     69        
Evaporation 223 2,176 9,742 110 1,788 9,535 333 3,964 19,277
Rainfall 0.00 0.11 0.85 0.00 0.07 1.59      
Stream Flows
Gauging Station 03/13/2022 MTD
NTRT Nueces River at Three Rivers, Texas 66 860
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 4 61
CCR Release from Choke Canyon Reservoir 58 748
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 164 2,305
NCAT Nueces River at Calallen, Texas 0 15
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 9 115
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 3,500   3,500
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied 03/01/2022 0
Return Flow Credit Effective   500
Required Passthru Monthly Target 3,500   115
Reservoir Inflow 115
Estuary Inflows (NCAT + RBP) 15
Passthru Surplus / -Deficit 0
Report Generated 3/14/2022 at 9:03:43 AM