Daily Reservoir and Pass-Thru Status Report
June 26, 2021
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%
06/26/2021 204.2 322,313 48.6% 91.5 208,819 81.5% 531,132 57.8% 43.9 160,156 99.4%
06/25/2021 204.5 327,318 49.4% 91.6 210,649 82.2% 537,967 58.5% 43.9 160,156 99.4%
05/26/2021 201.7 282,012 42.5% 88.5 157,605 61.5% 439,617 47.8% 43.9 160,156 99.4%
06/26/2020 201.4 277,357 41.8% 89.4 172,173 67.2% 449,530 48.9% 43.9 160,156 99.4%
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
May YTD Remaining May YTD Remaining
06/25/2021 116 3,560 0 6,497 24,943 3,684 8,184 3,816
COLORADO RIVER WATER SUPPLY (CRWT)
Date Daily
Intake
MTD YTD Daily Flow MTD Flow Date Time Gage Height
06/25/2021 68 780 5,717 2,878 317,977 06/26/2021 7:15 AM 10.64
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  06/25/2021 MTD YTD 06/25/2021 MTD YTD 06/25/2021 MTD YTD
Air Temp 92     92        
Evaporation 378 7,254 31,088 426 6,587 28,203 804 13,841 59,291
Rainfall 0.00 2.13 17.02 0.00 2.77 17.36      
Stream Flows
Gauging Station 06/25/2021 MTD
NTRT Nueces River at Three Rivers, Texas 194 62,648
NRTT Nueces River at Tilden, Texas 15 21,193
FRTT Frio River at Tilden, Texas 8 34,974
SMTT San Miguel Creek at Tilden, Texas 29 7,710
ARWT Atascosa River at Whitsett, Texas 40 41,369
CCR Release from Choke Canyon Reservoir 58 1,227
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 711 13,281
NCAT Nueces River at Calallen, Texas 314 7,472
RBP Rincon Bayou Pipeline 228 4,883
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 174 104,106
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 23,000   23,000
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied   619
Return Flow Credit Effective   500
Required Passthru Monthly Target 23,000   23,000
Reservoir Inflow 104,106
Estuary Inflows (NCAT + RBP) 12,356
Passthru Surplus / -Deficit -9,525
Report Generated 6/26/2021 at 8:04:58 AM