Daily Reservoir and Pass-Thru Status Report
November 3, 2020
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%
11/03/2020 199.1 243,319 36.7% 87.5 142,172 55.5% 385,491 41.9% 43.2 153,730 95.4%
11/02/2020 199.0 241,915 36.5% 87.5 142,172 55.5% 384,087 41.8% 43.2 153,730 95.4%
10/03/2020 199.7 251,884 38.0% 88.0 149,794 58.4% 401,678 43.7% 44.0 161,085 100.0%
11/03/2019 203.5 310,778 46.9% 91.2 203,365 79.3% 514,143 55.9% 39.7 123,656 76.8%
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
October YTD Remaining October YTD Remaining
11/02/2020 64 128 2,587 25,042 6,398 0 4,500 7,500
COLORADO RIVER WATER SUPPLY (CRWT)
Date Daily
Intake
MTD YTD Daily Flow MTD Flow Date Time Gage Height
11/02/2020 71 136 11,370 860 1,749 11/03/2020 7:15 AM 8.13
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  11/02/2020 MTD YTD 11/02/2020 MTD YTD 11/02/2020 MTD YTD
Air Temp 76     75        
Evaporation 147 326 71,420 140 254 62,882 287 580 134,302
Rainfall 0.00 0 20.61 0.00 0 29.65      
Stream Flows
Gauging Station 11/02/2020 MTD
NTRT Nueces River at Three Rivers, Texas 59 119
NRTT Nueces River at Tilden, Texas 0 0
FRTT Frio River at Tilden, Texas 0 0
SMTT San Miguel Creek at Tilden, Texas 0 0
ARWT Atascosa River at Whitsett, Texas 1 4
CCR Release from Choke Canyon Reservoir 58 115
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 160 319
NCAT Nueces River at Calallen, Texas 2 3
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 2 4
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 4,000   4,000
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied   756
Return Flow Credit Effective   500
Required Passthru Monthly Target 4,000   4
Reservoir Inflow 4
Estuary Inflows (NCAT + RBP) 3
Passthru Surplus / -Deficit 0
Report Generated 11/3/2020 at 3:01:27 PM