Daily Reservoir and Pass-Thru Status Report
June 2, 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%
06/02/2021 201.9 285,141 43.0% 88.6 159,190 62.1% 444,331 48.3% 44.0 161,085 100.0%
06/01/2021 201.7 282,012 42.5% 88.6 159,190 62.1% 441,202 48.0% 43.9 160,156 99.4%
05/02/2021 197.1 216,196 32.6% 85.3 111,076 43.3% 327,272 35.6% 43.9 160,156 99.4%
06/02/2020 201.9 285,141 43.0% 90.1 183,978 71.8% 469,119 51.0% 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
06/01/2021 133 133 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
06/01/2021 0 0 4,937 27,790 27,790 06/02/2021 7:15 AM 24.51
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  06/01/2021 MTD YTD 06/01/2021 MTD YTD 06/01/2021 MTD YTD
Air Temp 76     82        
Evaporation 101 101 23,935 120 120 21,736 221 221 45,671
Rainfall 0.00 0 14.89 0.00 0 14.59      
Stream Flows
Gauging Station 06/01/2021 MTD
NTRT Nueces River at Three Rivers, Texas 679 679
NRTT Nueces River at Tilden, Texas 57 57
FRTT Frio River at Tilden, Texas 168 168
SMTT San Miguel Creek at Tilden, Texas 578 578
ARWT Atascosa River at Whitsett, Texas 268 268
CCR Release from Choke Canyon Reservoir 58 58
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 124 124
NCAT Nueces River at Calallen, Texas 71 71
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 1,367 1,367
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 09/10/1901 619
Return Flow Credit Effective   500
Required Passthru Monthly Target 23,000   1,367
Reservoir Inflow 1,367
Estuary Inflows (NCAT + RBP) 71
Passthru Surplus / -Deficit -177
Report Generated 6/2/2021 at 12:23:06 PM