Carlinville Lake Ii Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyMacoupin
Nearest CityCARLINVILLE
River/StreamTRIB HONEY CREEK
Coordinates39.22631, -89.83606

Physical Characteristics

Dam TypeEarth
NID Height50 ft
Dam Height50 ft
Dam Length645 ft
Year Completed1981 (45 years old)

Storage & Hydraulics

NID Storage3,400 acre-ft
Max Storage3,400 acre-ft
Normal Storage1,785 acre-ft
Max Discharge3,055 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCITY OF CARLINVILLE
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection03/24/2026
Emergency Action PlanYes

Identifiers

NID IDIL50030
Federal IDIL50030
More InfoState Dam Safety Program

Nearby Dams

Lake Williamson Dam 1.3 mi Low Craig Pond Dam 1 1.3 mi Low Macoupin Energy Refuse Disposal Area 6 1.7 mi High Deer Run Lake Dam 1.8 mi Low Gillespie Country Club Lake Dam 1.8 mi Low Lake Carlinville Dam 2.0 mi Low Macoupin Energy Smith Reservoir Dam 2.4 mi High Macoupin Energy Recirculation Pond Dam 2.4 mi High Macoupin Energy/refuse Disposal Area 5 2.5 mi High Bellm Pond Dam 3.0 mi Low