Daily Reservoir and Pass-Thru Status Report
October 31, 2020
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%
10/31/2020	199.1	243,319	36.7%	87.5	142,172	55.5%	385,491	41.9%	43.3	154,639	96.0%
10/30/2020	199.1	243,319	36.7%	87.6	143,682	56.1%	387,001	42.1%	43.3	154,639	96.0%
10/01/2020	199.7	251,884	38.0%	88.0	149,794	58.4%	401,678	43.7%	44.0	161,085	100.0%
10/31/2019	203.5	310,778	46.9%	91.4	206,995	80.8%	517,773	56.3%	39.5	122,045	75.8%
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
				October	YTD	Remaining		October	YTD	Remaining
10/30/2020		63	2,525	0	16,557	19,883		0	4,500	7,500
COLORADO RIVER WATER SUPPLY (CRWT)
Date		Daily Intake	MTD	YTD	Daily Flow	MTD Flow	Date		Time		Gage Height
10/30/2020		68	1,463	11,166	951	28,135	10/31/2020		7:15 AM		8.23
WEATHER RELATED INFORMATION
	Choke Canyon Reservoir				Lake Corpus Christi				CCR/LCC Combined
	10/30/2020	MTD	YTD		10/30/2020	MTD	YTD		10/30/2020	MTD	YTD
Air Temp	69				70
Evaporation	123	5,876	70,939		140	5,058	62,532		263	10,934	133,471
Rainfall	0.00	0.29	20.61		0.00	2.2	29.65
Stream Flows
Gauging Station								10/30/2020		MTD
NTRT	Nueces River at Three Rivers, Texas							62		1,843
NRTT	Nueces River at Tilden, Texas							0		134
FRTT	Frio River at Tilden, Texas							0		0
SMTT	San Miguel Creek at Tilden, Texas							0		0
ARWT	Atascosa River at Whitsett, Texas							5		101
CCR	Release from Choke Canyon Reservoir							58		1,727
NRMT	Nueces River at Mathis, Texas (La Fruta Bridge)							160		5,325
NCAT	Nueces River at Calallen, Texas							1		836
RBP	Rincon Bayou Pipeline							0		288
Reservoir InFlow
Computed as:		(NTRT+FRTT+SMTT)-Release from Choke Canyon						4		278
ESTUARY INFLOWS AND PASSTHRU REQUIREMENTS
Target Passthru	Monthly Target			9,000					9,000
	Salinity Relief Credit			0	Effective
Credit / -Deficit From Previous Month					Date Deficit Satisfied		10/04/2020		-590
Return Flow Credit					Effective				500
Required Passthru	Monthly Target			9,000					278
	Reservoir Inflow			278
Estuary Inflows (NCAT + RBP)									1,125
Passthru Surplus / -Deficit									756
Report Generated			10/31/2020			at	9:15:11 AM