Powerton Cooling Lake Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyTazewell
Nearest CityPEKIN
River/StreamILLINOIS RIVER-OFFSTREAM
Coordinates40.55548, -89.71207

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length31,200 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage25,630 acre-ft
Max Storage25,630 acre-ft
Normal Storage15,400 acre-ft
Surface Area1,440 acres
Drainage Area2 sq mi
Max Discharge62 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerMIDWEST GENERATION, POWERTON STATION
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection10/08/2025
Emergency Action PlanYes

Identifiers

NID IDIL00814
Federal IDIL00814
More InfoState Dam Safety Program

Nearby Dams

Powerton Station Former Ash Basin 2.1 mi Significant Hollis Park Dam 2.4 mi High Hidden Point Dam 3.5 mi High E. D. Edwards Station Ash Pond 3.6 mi High Oakwood Drive Dam 5.0 mi Significant Sunset Hills Lake 2 Dam 5.2 mi High Sunset Hills Lake 1 Dam 5.3 mi High Lake Lancelot Dam 5.3 mi High Lake Camelot Dam 5.7 mi High Walnut Point Dam 6.2 mi Low