Coffeen Power Sta. Supplemental Cooling Lake Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyMontgomery
Nearest CityCOFFEEN
River/StreamTRIB MCDAVID BRANCH
Coordinates39.06238, -89.38949

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length8,485 ft
Year Completed2000 (26 years old)

Storage & Hydraulics

NID Storage735 acre-ft
Max Storage735 acre-ft
Normal Storage495 acre-ft
Surface Area80 acres
Drainage Area80 sq mi
Max Discharge4,447 cfs
Spillway TypeControlled

Ownership & Safety

PurposeOther
OwnerDYNEGY MIDWEST GENERATION, INC.
Owner TypePublic Utility
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection10/02/2023
Emergency Action PlanYes

Identifiers

NID IDIL50457
Federal IDIL50457
More InfoState Dam Safety Program

Nearby Dams

Coffeen Station Ash Pond 1 Dam 0.1 mi Significant Coffeen Station Ash Pond 2 Dam 0.3 mi Significant Coffeen Gmf Recycle Pond Dam 0.5 mi Low Coffeen Gmf Gypsum Stack Dam 0.8 mi High Coffeen Southwest Detention Pond Dam 0.8 mi Low Coffeen Station Coal Yard Pond Dam 1.0 mi Significant Rocky Ford Sportsman Club South Lake Dam 1.2 mi Significant Rocky Ford Sportsman Club North Lake Dam 1.3 mi Significant Bell Pond Dam 1 1.3 mi Low Coffeen Lake Dam 1.9 mi Significant