Daily Reservoir and Pass-Thru Status Report
November 4, 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%
11/04/2020 199.0 241,915 36.5% 87.5 142,172 55.5% 384,087 41.8% 43.1 152,823 94.9%
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%
10/04/2020 199.6 250,439 37.8% 87.9 148,255 57.8% 398,694 43.4% 44.0 161,085 100.0%
11/04/2019 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
11/03/2020 62 189 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
11/03/2020 68 204 11,437 784 2,533 11/04/2020 7:15 AM 8.11
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  11/03/2020 MTD YTD 11/03/2020 MTD YTD 11/03/2020 MTD YTD
Air Temp 79     78        
Evaporation 147 473 71,567 123 377 63,005 270 850 134,572
Rainfall 0.00 0 20.61 0.00 0 29.65      
Stream Flows
Gauging Station 11/03/2020 MTD
NTRT Nueces River at Three Rivers, Texas 58 177
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 5
CCR Release from Choke Canyon Reservoir 58 173
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 160 478
NCAT Nueces River at Calallen, Texas 23 26
RBP Rincon Bayou Pipeline 0 0
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 1 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) 26
Passthru Surplus / -Deficit 0
Report Generated 11/4/2020 at 9:33:15 AM