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Daily Reservoir System and Pass-Thru Status Report Prosposed Water Supply Index
April 30, 2017 Value Stage # Stage Name
Under Review
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%
04/30/2017 199.9 273,951 39.4% 93.1 241,700 94.0% 515,651 54.1% 44.0 161,085 100.0%
04/29/2017 199.9 273,336 39.3% 93.0 238,657 92.8% 511,993 53.8% 44.0 161,085 100.0%
03/30/2017 200.5 283,200 40.7% 93.4 246,195 95.7% 529,395 55.6% 43.9 160,156 99.4%
04/30/2016 197.1 233,521 33.6% 90.4 193,659 75.3% 427,180 44.8% 44.2 163,121 101.3%
LAKE TEXANA WATER SUPPLY* COLORADO  WATER SUPPLY
Date Daily Intake MTD Non-Interruptible Interruptible Daily Intake MTD YTD
March YTD Remaining March YTD Remaining
04/29/2017 133 3,754 3,874 10,593 31,247 0 4,500 7,500 0 0 31
WEATHER RELATED INFORMATION
  Choke Canyon Reservoir Lake Corpus Christi CCR/LCC Combined
  04/29/2017 MTD YTD 04/29/2017 MTD YTD MTD YTD
Air Temp 98     92        
Evaporation 418 7,406 21,666 429 8,690 26,557 16,096 48,223
Rainfall 0.15 0.77 9.39 0.04 2.13 6.3      
Stream Flows
Gauging Station 04/29/2017 MTD
NTRT Nueces River at Three Rivers, Texas 854 12,134
NRTT Nueces River at Tilden, Texas 689 11,469
FRTT Frio River at Tilden, Texas 0 11
SMTT San Miguel Creek at Tilden, Texas 0 51
ARWT Atascosa River at Whitsett, Texas 20 770
CCR Release from Choke Canyon Reservoir 58 1,669
NRMT Nueces River at Mathis, Texas (La Fruta Bridge) 151 5,661
NCAT Nueces River at Calallen, Texas 0 442
RBP Rincon Bayou Pipeline 0 2,145
CRWT Colorado River at Wharton, Texas 2,501 199,018
Reservoir InFlow
Computed as: (NTRT+FRTT+SMTT)-Release from Choke Canyon 796 10,527
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru Monthly Target 3,500   3,500
Salinity Relief Credit 0 Effective  
Credit / -Deficit From Previous Month Date Deficit Satisfied   415
Return Flow Credit Effective 04/01/2017 500
Required Passthru Monthly Target 3,500 0 3,500
Reservoir Inflow 10,527
Estuary Inflows (NCAT + RBP) 2,587
Passthru Surplus / -Deficit 2
* Non-Interruptible YTD  includes  current month's combined take.   Interruptible amounts are updated monthly, usually the first working day of the month.
Report Generated 4/30/2017 at 8:13:36 AM

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