Daily Reservoir and Pass-Thru Status Report
November 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%
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%
10/31/2021	203.0	302,657	45.7%	91.9	216,174	84.3%	518,831	56.4%	43.7	158,306	98.3%
10/01/2021	203.6	312,414	47.1%	92.2	221,752	86.5%	534,166	58.1%	42.9	151,018	93.8%
11/01/2020	199.0	241,915	36.5%	87.5	142,172	55.5%	384,087	41.8%	43.2	153,730	95.4%

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
Date		Daily Intake	MTD	October	YTD	Remaining		October	YTD	Remaining
10/31/2021		134	4,279	0	16,318	15,122		0	12,000	0

COLORADO RIVER WATER SUPPLY (CRWT)
Date		Daily Intake	MTD	YTD	Daily Flow	MTD Flow	Date		Time		Gage Height
10/31/2021		0	0	9,327	1,985	154,935	11/01/2021		7:15 AM		9.02

WEATHER RELATED INFORMATION
	Choke Canyon Reservoir				Lake Corpus Christi				CCR/LCC Combined
	10/31/2021	MTD	YTD		10/31/2021	MTD	YTD		10/31/2021	MTD	YTD
Air Temp	85				84
Evaporation	226	7,039	68,426		280	6,953	60,805		506	13,992	129,231
Rainfall	0.00	0.52	27.44		0.00	2.76	36.76

Stream Flows
Gauging Station								10/31/2021		MTD
NTRT	Nueces River at Three Rivers, Texas							75		4,336
NRTT	Nueces River at Tilden, Texas							0		0
FRTT	Frio River at Tilden, Texas							0		22
SMTT	San Miguel Creek at Tilden, Texas							0		99
ARWT	Atascosa River at Whitsett, Texas							2		1,465
CCR	Release from Choke Canyon Reservoir							58		1,785
NRMT	Nueces River at Mathis, Texas (La Fruta Bridge)							160		5,262
NCAT	Nueces River at Calallen, Texas							0		4,287
RBP	Rincon Bayou Pipeline							0		0
Reservoir InFlow
Computed as:		(NTRT+FRTT+SMTT)-Release from Choke Canyon						17		2,672

ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru	Monthly Target			9,000					9,000
Target Passthru	Salinity Relief Credit			0	Effective				9,000
Credit / -Deficit From Previous Month					Date Deficit Satisfied		10/01/2021		164
Return Flow Credit					Effective				500
Required Passthru	Monthly Target			9,000					2,672
Required Passthru	Reservoir Inflow			2,672					2,672
Estuary Inflows (NCAT + RBP)									4,287
Passthru Surplus / -Deficit									2,279



Report Generated			11/1/2021			at	8:59:09 AM