Daily Reservoir and Pass-Thru Status Report
December 1, 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%
12/01/2021	202.5	294,634	44.5%	91.6	210,649	82.2%	505,283	55.0%	43.9	160,156	99.4%
11/30/2021	202.5	294,634	44.5%	91.6	210,649	82.2%	505,283	55.0%	43.9	160,156	99.4%
11/01/2021	203.0	302,657	45.7%	91.9	216,174	84.3%	518,831	56.4%	43.7	158,306	98.3%
12/01/2020	198.9	240,518	36.3%	87.2	137,687	53.7%	378,205	41.1%	43.8	159,229	98.8%
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
				November	YTD	Remaining		November	YTD	Remaining
11/30/2021		130	3,960	0	20,603	10,837		0	12,000	0
COLORADO RIVER WATER SUPPLY (CRWT)
Date		Daily Intake	MTD	YTD	Daily Flow	MTD Flow	Date		Time		Gage Height
11/30/2021		0	0	9,327	1,769	85,655	12/01/2021		7:15 AM		8.81
WEATHER RELATED INFORMATION
	Choke Canyon Reservoir				Lake Corpus Christi				CCR/LCC Combined
	11/30/2021	MTD	YTD		11/30/2021	MTD	YTD		11/30/2021	MTD	YTD
Air Temp	75				76
Evaporation	130	4,230	72,656		117	4,477	65,282		247	8,707	137,938
Rainfall	0.00	0.91	28.35		0.00	1.43	38.19
Stream Flows
Gauging Station								11/30/2021		MTD
NTRT	Nueces River at Three Rivers, Texas							74		2,347
NRTT	Nueces River at Tilden, Texas							0		0
FRTT	Frio River at Tilden, Texas							0		5
SMTT	San Miguel Creek at Tilden, Texas							0		0
ARWT	Atascosa River at Whitsett, Texas							3		148
CCR	Release from Choke Canyon Reservoir							58		1,727
NRMT	Nueces River at Mathis, Texas (La Fruta Bridge)							134		4,715
NCAT	Nueces River at Calallen, Texas							0		99
RBP	Rincon Bayou Pipeline							0		0
Reservoir InFlow
Computed as:		(NTRT+FRTT+SMTT)-Release from Choke Canyon						16		625
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru	Monthly Target			4,000					4,000
	Salinity Relief Credit			0	Effective
Credit / -Deficit From Previous Month					Date Deficit Satisfied		11/01/2021		2,000
Return Flow Credit					Effective				500
Required Passthru	Monthly Target			4,000					625
	Reservoir Inflow			625
Estuary Inflows (NCAT + RBP)									99
Passthru Surplus / -Deficit									1,974
Report Generated			12/1/2021			at	9:02:47 AM