CO01660 - Marys Lake Dike No 1


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Marys Lake Dikes


	Statistics

General

Region (Map) : ............ Great Plains

State (Map) .................. Colorado

County ...........................Larimer

Project: ..........................Colorado Big Thompson

Dam type: ..................... Earthfill

Location: ..................... 2.5 mi SW Estes Park, CO

Watercourse: ...............Offstream

Reservoir: .................... Marys Lake

Construction Date: .....19-1949

National ID Number .... CO01660

Hydrologic Unit Code ...

Dimensions

Crest Elevation of Dam: ....................... 8050 ft

Structural Height of Dam: ..................... 29 ft

Crest Length: ....................................... 820 ft

Top of Joint Use: .......................................... NA

Top of Active Conservation: ............... 8040 ft

Top of Inactive Conservation: .............. 8025 ft

Spillway Crest: .............................................. NA

Top of Dead Storage: .......................... 8007.5 ft

Streambed at Dam Axis : .............................. NA

Hydraulics

Normal Water Surface Elev: ................ 8040 ft

Hydraulic Height: ................................. 20 ft

Service Spillway Type:

Uncontrolled Crest ..............................Yes

Morning-Glory ......................................... No

Crest Length ......................................... NA

Gated .................................................... No

Capacity at Elev: xxxx.0 ft, x,xxx cfs

Auxiliary Spillway ....................................... No

Capacity at Elev. ................................ 0 cfs

Outlet Works Capacity at

Elevation 8025 ft., ........................ 1300 cfs

Hydrology

Drainage Area: ........................................ sq mi

Hydrometeorological Report HMR NA

Flood Type: ..........................................General

Storm Duration: .......................................... hrs

Probable Maximum Flood (PMF) Report:

Peak Inflow: .............................................. cfs

Inflow Volume: ................................... acre-ft

Flow Duration: .....................................0 days

PMF Routing MWS Elev.: ................... x.0 ft

Initial Routing Elev: .............................. x.0 ft

Study Date:

Power Generation

Power Generation at Dam Site - None

Bureau of Reclamation Power Program

Narration

Geology

There is relatively little in the project records concerning the damsite geology. The geologic summary, Colorado-Big Thompson Project, states that the reservoir is situated in a local divide area of granite rock. Another reference states that the rock under the dam was jointed granite.

Links

| Recreation | NA

| Dams Located by State | USBR Colorado Dams | South Great Plains Region Dams |

| Owner: Bureau of Reclamation, Eastern Colorado Area Office,
11056 West County Road 18E, Loveland, CO 80537-9711, (970) 667-4410

| Operator: Bureau of Reclamation, Eastern Colorado Area Office,
11056 West County Road 18E, Loveland, CO 80537-9711, (970) 667-4410