Stephen A. Forbes State Park Lake Dam (Forbes Lake)

Field Descriptions

Dam Name: Stephen A. Forbes State Park Lake Dam
Other Name: STEPHEN A. FORBES STATE PARK LAKE
NID ID: IL00230
Longitude: -88.7483
Latitude: 38.7117
Map Section: 10;3N;4E;3
County: MARION
River: LOST FORK CREEK
State: IL
Nearest City: WAYNE CITY
Distance: 36 miles
Owner Name: ILLINOIS DEPARTMENT OF NATURAL RESOURCES
Owner Type: State
Dam Designer: HANSON ENGINEERS & IDOC
Private Dam? No
Dam Type: Earth
Purposes: Recreation
Dam Length: 1335 feet
Dam Height: 46 feet
Maximum Discharge: 30848 cu ft/sec
Maximum Storage: 15739 acre-feet
Normal Storage: 8800 acre-feet
Surface Area: 585 acres
Drainage Area: 21.1 square miles
Hazard Potential: Significant
Emergency Action Plan? Yes
Inspection Date: 2010-07-15
Inspection Frequency: 3
State Regulated Dam? Yes
State Regulating Agency: IDNR
Spillway Type: Uncontrolled
Spillway Width: 340 feet
Outlet Gates: U
Federal Funding Agency: STEPHEN A. FORBES STATE PARK LAKE
Source Agency:

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