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Daily Reservoir System and Pass-Thru Status Report Prosposed Water Supply Index
July 27, 2017 Value Stage # Stage Name
Under Review
Reservoir Supply (AcFt); Stream Flow (AcFt); Evaporation (AcFt); Elevation (Ft); Rainfall (Inches); Temperature (°F)
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%
07/27/2017 198.1 229,517 34.6% 90.8 196,197 76.5% 425,714 46.3% 42.4 146,555 91.0%
07/26/2017 198.1 229,517 34.6% 90.8 196,197 76.5% 425,714 46.3% 42.4 146,555 91.0%
06/27/2017 198.8 239,125 36.1% 91.7 212,485 82.9% 451,610 49.1% 42.9 151,018 93.8%
07/27/2016 198.2 249,582 37.7% 88.5 162,695 63.5% 412,277 44.9% 43.1 152,823 94.9%
LAKE TEXANA WATER SUPPLY* COLORADO  WATER SUPPLY
Date Daily Intake MTD Non-Interruptible Interruptible Daily Intake MTD YTD
June YTD Remaining June YTD Remaining
07/26/2017 134 3,502 4,118 22,494 19,346 0 4,500 7,500 0 106 139
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  07/26/2017 MTD YTD 07/26/2017 MTD YTD MTD YTD
Air Temp 100     99        
Evaporation 292 8,876 49,382 372 10,611 57,129 19,487 106,511
Rainfall 0.00 1.3 12.08 0.01 0.91 8.48      
Stream Flows
Gauging Station 07/26/2017 MTD
NTRT Nueces River at Three Rivers, Texas 63 1,940
NRTT Nueces River at Tilden, Texas 0 106
FRTT Frio River at Tilden, Texas 0 0
SMTT San Miguel Creek at Tilden, Texas 0 0
ARWT Atascosa River at Whitsett, Texas 1 142
CCR Release from Choke Canyon Reservoir 58 1,497
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 226 4,948
NCAT Nueces River at Calallen, Texas 0 52
RBP Rincon Bayou Pipeline 0 118
CRWT Colorado River at Wharton, Texas 1,008 39,710
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 5 443
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 4,500   4,500
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied   154
Return Flow Credit Effective 07/01/2017 500
Required Passthru Monthly Target 4,500 0 443
Reservoir Inflow 443
Estuary Inflows (NCAT + RBP) 170
Passthru Surplus / -Deficit 0
* Non-Interruptible YTD  includes  current month's combined take.   Interruptible amounts are updated monthly, usually the first working day of the month.
Report Generated 7/27/2017 at 8:37:30 AM

Updated: 5/23/16 1:40:51 pm. ©2017 (NRA) ** All rights reserved.