vallecito creek drainage area 1. vallecito creek drainage drainage area - 96 sq. miles (61,440...

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Vallecito Creek Drainage Area

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Vallecito Creek Drainage

Drainage Area - 96 sq. miles (61,440 acres)

Length of Tributary Streams - 264 miles

Residential Area - 2 sq. miles (1,280 acres)

Residential Area

20 miles or 3.6 hrs at 8’per second

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Private Land Area North of Reservoir 1404 acres

919 Lots & Parcels of Land

491 Homes on Private Lands – Residential Area

326 Homes in Flood Plain

593 Lots in Flood Plain

705 Acres in Flood Plain (453ac in 100yr) (252ac in 500yr)

Facts

Stream Flows 100 year storm

Vallecito = 9200 cu ft per second

Grimes Creek = 750 cu ft per second

Berri Creek = 138 cu ft per second

Total 10,088 cu ft per second

2006 Oct Flood = 4,000 cu ft per second

The stream gradient may be 100 to 300 vertical feet per mile on upper lengths of the creek ( Campground North )

From the lake to the campground the Vallecito Creek gradient is about 72 vertical feet per mile or 241 ft lower in elevation at the lake entry compared to the creek at the campground

7909’ 7668’

241

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2008

2008

June 2005

October 2006Vallecito Creek

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June 2005

October 2006Vallecito Creek

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June 2005

October 2006Vallecito Creek

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June 2005

October 2006Vallecito Creek

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2003 Aerial

2007 AerialVallecito Creek

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Vallecito Creek2003 Aerial

2007 Aerial

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