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Daily Reservoir System and Pass-Thru Status Report Prosposed Water Supply Index
September 23, 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%
09/23/2017 196.9 213,589 32.2% 89.4 172,173 67.2% 385,762 42.0% 43.9 160,156 99.4%
09/22/2017 196.9 213,589 32.2% 89.4 172,173 67.2% 385,762 42.0% 43.7 158,306 98.3%
08/23/2017 197.4 220,142 33.2% 89.9 180,563 70.4% 400,705 43.6% 41.4 137,841 85.6%
09/23/2016 201.4 297,108 44.8% 91.2 208,141 81.2% 505,249 55.0% 43.8 159,229 98.8%
LAKE TEXANA WATER SUPPLY* COLORADO  WATER SUPPLY
Date Daily Intake MTD Non-Interruptible Interruptible Daily Intake MTD YTD
August YTD Remaining August YTD Remaining
09/22/2017 130 2,595 3,810 29,420 12,420 0 4,500 7,500 0 278 690
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  09/22/2017 MTD YTD 09/22/2017 MTD YTD MTD YTD
Air Temp 95     93        
Evaporation 272 5,473 65,656 328 5,861 74,784 11,334 140,440
Rainfall 0.00 0 15.46 0.00 0.3 12.96      
Stream Flows
Gauging Station 09/22/2017 MTD
NTRT Nueces River at Three Rivers, Texas 50 1,159
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 0 32
CCR Release from Choke Canyon Reservoir 58 1,266
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 166 3,584
NCAT Nueces River at Calallen, Texas 0 231
RBP Rincon Bayou Pipeline 0 0
CRWT Colorado River at Wharton, Texas 3,811 403,213
Reservoir InFlow
Computed as: NRTT+FRTT+SMTT+ARWT 0 33
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 11,500   11,500
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied   469
Return Flow Credit Effective 09/01/2017 500
Required Passthru Monthly Target 11,500 0 33
Reservoir Inflow 33
Estuary Inflows (NCAT + RBP) 231
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 9/23/2017 at 8:04:28 AM

Updated: 9/14/17 10:42:23 am. ©2017 (NRA) ** All rights reserved.