Idot Roadgrade Dam 7-88-47

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyWoodbury
Nearest CityMISSOURI RIVER
River/StreamTR-MISSOURI RIVER
Coordinates42.44640, -96.36400

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length328 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage117 acre-ft
Max Storage117 acre-ft
Normal Storage23 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerIowa Department of Transportation
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/12/1986
Emergency Action PlanNot Required

Identifiers

NID IDIA02135
Federal IDIA02135
More InfoState Dam Safety Program

Nearby Dams

Mosier/bandy Dam 0.2 mi Low Glen Ellen Subwatershed Site 3-1 2.3 mi High Glen Ellen Subwatershed Site 3-2 2.7 mi High Glen Ellen Subwatershed Site 2-2 2.8 mi Significant Bacon Creek Watershed Site A-2 3.0 mi Low Bacon Creek Watershed Site A-3-1 3.1 mi High Bacon Creek Watershed Site A-1-1 3.2 mi High Bacon Creek Watershed Site A-2-4 3.5 mi High Bacon Creek Watershed Site A-3 3.5 mi High Bacon Creek Watershed Site A-2-1 4.2 mi Significant