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Daily Reservoir System and Pass-Thru Status Report
May 23, 2015
Reservoir Supply (AcFt); Stream Flow (AcFt); Evaporation (AcFt); Elevation (Ft); Rainfall (Inches); Temperature (F)
RESERVOIR STATISTICS
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined Lake Texana
Date Elevation Volume % Capacity Elevation Volume % Capacity Volume % Capacity Elevation Volume % Capacity
FULL 220.5 695,271 100% 94.0 257,260 100% 952,531 100% 44.0 161,085 100%
05/23/2015 195.8 216,476 31.1% 94.0 257,260 100.0% 473,736 49.7% 44.1 162,101 100.6%
05/22/2015 195.8 216,993 31.2% 94.0 257,260 100.0% 474,253 49.8% 44.1 162,101 100.6%
04/23/2015 192.8 179,785 25.9% 89.4 176,875 68.8% 356,660 37.4% 44.1 162,101 100.6%
05/23/2014 195.9 218,288 31.4% 90.6 197,548 76.8% 415,836 43.7% 41.1 136,132 84.5%
LAKE TEXANA WATER SUPPLY* Water Supply Index
Date Daily Intake MTD Non-Interruptible Interruptible 78.1%
April YTD Remaining April YTD Remaining
05/22/2015 130 2,852 1,015 12,423 29,417 2,848 5,601 6,399
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  05/22/2015 MTD YTD 05/22/2015 MTD YTD MTD YTD
Air Temp 89     86        
Evaporation 135 3,210 13,228 287 5,877 19,905 9,087 33,133
Rainfall 0.00 6.13 17.95 0.00 6.46 20.81      
Stream Flows
Gauging Station 05/22/2015 MTD
NTRT Nueces River at Three Rivers, Texas 9,885 165,827
NRTT Nueces River at Tilden, Texas 12,049 40,329
FRTT Frio River at Tilden, Texas 409 22,612
SMTT San Miguel Creek at Tilden, Texas 153 7,032
ARWT Atascosa River at Whitsett, Texas 663 104,377
CCR Release from Choke Canyon Reservoir 34 715
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 21,438 111,043
NCAT Nueces River at Calallen, Texas 7,126 35,844
RBP Rincon Bayou Pipeline 317 2,946
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 10,413 194,756
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 8,816   8,816
Salinity Relief Credit 0 Effective
Credit / -Deficit From Previous Month Date Deficit Satisfied 5,551
Return Flow Credit Effective 05/01/2015 500
Required Passthru Monthly Target 8,816 Target Passthru Prorated for Volume Change. 8,816
Reservoir Inflow 194,756
Estuary Inflows (NCAT + RBP) 38,789
Passthru Surplus / -Deficit 36,024
* Non-Interruptible YTD includes current month's combined take. Interruptible amounts are updated monthly, usually the first working day of the month.
Report Generated 5/23/2015 at 8:49:21 AM

Updated: 4/13/15 11:53:02 am. ©2015 (NRA) ** All rights reserved.