Lockport Lock And Controlling Works

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyWill
Nearest CityJOLIET
River/StreamCHICAGO SANITARY & SHIP CANAL
Coordinates41.56893, -88.07805

Physical Characteristics

Dam TypeConcrete
NID Height65 ft
Dam Length1,100 ft
Year Completed1933 (93 years old)

Storage & Hydraulics

NID Storage25,000 acre-ft
Max Storage25,000 acre-ft
Surface Area2,112 acres
Drainage Area740 sq mi
Max Discharge36,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Chicago District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection02/20/2025
Emergency Action PlanYes

Identifiers

NID IDIL00007
Federal IDIL00007
More InfoState Dam Safety Program

Nearby Dams

Milne Creek Weir Dam 2.4 mi Low Remington Lakes Dam 2.7 mi Low Pilcher Park Dam 3.5 mi Significant Pinnacle Pond 5 Dam 3.8 mi Low Pinnacle Pond 1 Dam 4.0 mi Low Brandon Road Lock And Dam 4.7 mi High Joliet Junior College Lake Dam 7.3 mi Significant Maple Brook Estates Dam 8.2 mi Low Lily Cache Business Dam 8.3 mi Low Wynstone Boulevard Dam 8.3 mi Low