Lyon County Roadgrade Dam 10-98-48

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyLyon
Nearest CityBELOIT
River/StreamTR- BIG SIOUX RIVER
Coordinates43.31770, -96.49290

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length725 ft
Year Completed1988 (38 years old)

Storage & Hydraulics

NID Storage35 acre-ft
Max Storage35 acre-ft
Normal Storage18 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerLyon County Board of Supervisors
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA02442
Federal IDIA02442
More InfoState Dam Safety Program

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