L & N Reservoir

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyJefferson
Nearest CityMOUNT VERNON
River/StreamTRIB CASEY FORK
Coordinates38.32171, -88.91495

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length720 ft
Year Completed1910 (116 years old)

Storage & Hydraulics

NID Storage353 acre-ft
Max Storage353 acre-ft
Normal Storage182 acre-ft
Max Discharge607 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCITY OF MOUNT VERNON
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection05/27/2025
Emergency Action PlanYes

Identifiers

NID IDIL00173
Federal IDIL00173
More InfoState Dam Safety Program

Nearby Dams

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