Green Castle Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyMarshall
Nearest CityFERGUSON
River/StreamTR- BRUSH CREEK
Coordinates41.93070, -92.86040

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length650 ft
Year Completed1954 (72 years old)

Storage & Hydraulics

NID Storage263 acre-ft
Max Storage263 acre-ft
Normal Storage150 acre-ft
Surface Area17 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMarshall County Conservation Board
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/05/2020
Emergency Action PlanNot Required

Identifiers

NID IDIA02418
Federal IDIA02418
More InfoState Dam Safety Program

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