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Prosposed Water Supply Index
February 23, 2018 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%
02/23/2018 195.6 197,097 29.7% 93.0 236,887 92.4% 433,984 47.2% 40.8 132,746 82.4%
02/22/2018 195.5 195,863 29.5% 93.1 238,806 93.2% 434,669 47.3% 40.8 132,887 82.5%
01/23/2018 195.8 199,582 30.1% 93.2 240,730 93.9% 440,312 47.9% 41.4 137,841 85.6%
02/23/2017 200.5 283,200 42.7% 92.8 235,981 92.1% 519,181 56.5% 44.1 162,101 100.6%
LAKE TEXANA WATER SUPPLY* COLORADO WATER SUPPLY
Date Daily Intake MTD Non-Interruptible Interruptible Daily Intake MTD YTD
January YTD Remaining January YTD Remaining
02/22/2018 0 647 3,800 4,447 31,993 0 0 12,000 116 2,045 2,198
 
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  02/22/2018 MTD YTD 02/22/2018 MTD YTD MTD YTD
Air Temp 72     52        
Evaporation 7 1,433 3,671 0 2,448 6,442 3,881 10,113
Rainfall 0.02 0.29 0.56 0.04 0.63 1.3      
Stream Flows
Gauging Station 02/22/2018 MTD
NTRT Nueces River at Three Rivers, Texas 67 1,515
NRTT Nueces River at Tilden, Texas 1 43
FRTT Frio River at Tilden, Texas 4 102
SMTT San Miguel Creek at Tilden, Texas 0 0
ARWT Atascosa River at Whitsett, Texas 11 222
CCR Release from Choke Canyon Reservoir 58 1,266
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 83 2,463
NCAT Nueces River at Calallen, Texas 0 39
RBP Rincon Bayou Pipeline 0 0
CRWT Colorado River at Wharton, Texas 1,324 30,744
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 13 350
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 2,500   2,500
Salinity Relief Credit 0 Effective
Credit / -Deficit From Previous Month Date Deficit Satisfied 222
Return Flow Credit Effective 02/01/2018 500
Required Passthru Monthly Target 2,500 0 350
Reservoir Inflow 350
Estuary Inflows (NCAT + RBP) 39
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 2/23/2018 at 8:02:20 AM

Updated: 9/14/17 10:42:23 am. ©2018 (NRA) ** All rights reserved.