Twin Lakes Dam and Reservoir is located approximately 13 miles south of Leadville, in Lake County. The reservoir has a total capacity of 141,000 acre-feet. It is a zoned, rolled earthfill structure with a height above streambed of 53 feet. The crest of the dam is 30 feet wide and 3,150 feet long. The spillway is on the left abutment of the dam and has a capacity of 1,400 cubic feet per second. The spillway is an uncontrolled concrete morning-glory inlet structure with a 12-foot-diameter concrete conduit under the dam embankment and a concrete stilling basin.
General
Project
Fryingpan-Arkansas
Location
13 mi S of Leadville
Longitude
-106.4617
Latitude
39.0833
Watercourse
Lake Creek
Reservoir
Twin Lakes
Original Construction
1978
National ID Number
CO02045
Dimensions
Crest Elevation
9210 ft
Crest Length
3150 ft
Top of Active Conservation Pool (Elevation)
9200.0 ft
Top of Inactive Conservation Pool (Elevation)
9168.7 ft
Spillway Crest Elevation
9200 ft
Top of Dead Storage Pool (Elevation)
9157.5 ft
Hydraulics & Hydrology
Normal Water Surface Elevation
9200.0 ft
Spillway Capacity at Elevation
9200.0 cfs at 9202.3 ft
Outlet Works Capacity at Elevation
3465.0 cfs at 9202.3 ft
Drainage Area
105 sq mi
Hydrometeorological Report (HMR)
HMR 55
Contact
Owner
Title: Area Office Manager Organization: Eastern Colorado Area Office Address: 11056 W. County Rd 18E City: Loveland, CO 80537-9711 Fax: 970-663-3212 Phone: 970-461-5410
Operator
Title: Area Office Manager Organization: Eastern Colorado Area Office Address: 11056 W. County Rd 18E City: Loveland, CO 80537-9711 Fax: 970-663-3212 Phone: 970-461-5410
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