Daily Reservoir and Pass-Thru Status Report
August 2, 2021
Reservoir Supply (AcFt); Stream Flow (AcFt); Evaporation (AcFt); Elevation (Ft); Rainfall (Inches); Temperature (°F); Gage Height (Ft MSL)
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%
08/02/2021	204.7	330,674	49.9%	93.0	236,887	92.4%	567,561	61.7%	43.9	160,156	99.4%
08/01/2021	204.8	332,359	50.1%	93.0	236,887	92.4%	569,246	61.9%	43.9	160,156	99.4%
07/02/2021	204.2	322,313	48.6%	91.4	206,995	80.8%	529,308	57.6%	43.7	158,306	98.3%
08/02/2020	200.6	265,171	40.0%	89.0	165,614	64.6%	430,785	46.9%	44.1	161,085	100.0%
LAKE TEXANA WATER SUPPLY* * The split between Non-Interruptible and Interruptible amounts are updated monthly, usually the first working day of the month, so they reflect the total and remaining amounts as of the end of the previous month
Date		Daily Intake	MTD	Non-Interuptible				Interruptible
				July	YTD	Remaining		July	YTD	Remaining
08/01/2021		141	141	3,013	9,857	21,583		0	12,000	0
COLORADO RIVER WATER SUPPLY (CRWT)
Date		Daily Intake	MTD	YTD	Daily Flow	MTD Flow	Date		Time		Gage Height
08/01/2021		0	0	6,984	1,010	1,010	08/02/2021		7:15 AM		8.36
WEATHER RELATED INFORMATION
	Choke Canyon Reservoir				Lake Corpus Christi				CCR/LCC Combined
	08/01/2021	MTD	YTD		08/01/2021	MTD	YTD		08/01/2021	MTD	YTD
Air Temp	95				95
Evaporation	333	333	40,942		379	379	37,553		712	712	78,495
Rainfall	0.00	0	23.33		0.00	0	28.94
Stream Flows
Gauging Station								08/01/2021		MTD
NTRT	Nueces River at Three Rivers, Texas							403		403
NRTT	Nueces River at Tilden, Texas							8		8
FRTT	Frio River at Tilden, Texas							0		0
SMTT	San Miguel Creek at Tilden, Texas							1		1
ARWT	Atascosa River at Whitsett, Texas							40		40
CCR	Release from Choke Canyon Reservoir							58		58
NRMT	Nueces River at Mathis, Texas (La Fruta Bridge)							208		208
NCAT	Nueces River at Calallen, Texas							33		33
RBP	Rincon Bayou Pipeline							0		0
Reservoir InFlow
Computed as:		(NTRT+FRTT+SMTT)-Release from Choke Canyon						347		347
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru	Monthly Target			5,000					5,000
	Salinity Relief Credit			0	Effective
Credit / -Deficit From Previous Month					Date Deficit Satisfied				2,500
Return Flow Credit					Effective		08/01/2021		500
Required Passthru	Monthly Target			5,000					347
	Reservoir Inflow			347
Estuary Inflows (NCAT + RBP)									33
Passthru Surplus / -Deficit									0
Report Generated			9/1/2021			at	4:19:43 PM