Arrowhead Lake Dam

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyPottawattamie
Nearest CityUNDERWOOD
River/StreamTR-MOSQUITO CREEK
Coordinates41.43620, -95.59370

Physical Characteristics

Dam TypeEarth
NID Height47 ft
Dam Height47 ft
Dam Length615 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage348 acre-ft
Max Storage348 acre-ft
Normal Storage139 acre-ft
Surface Area15 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerPottawattamie County Conservation Board
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/06/1964
Emergency Action PlanNot Required

Identifiers

NID IDIA00955
Federal IDIA00955
More InfoState Dam Safety Program

Nearby Dams

Iowa Noname41 0.3 mi Low Saint Patrick Church Dam 2.2 mi Low Larsen Dam 3.1 mi Low Carlson/walsh Dam 3.8 mi Low Mosquito Of Harrison B 5.1 mi Low Mosquito Of Harrison Watershed Site C-1 5.3 mi Low Pottawattamie Co Roadgrade Dam 8-76-42 5.5 mi Low Wohlers Dam 5.7 mi Low Rodenburg/porter Dam 5.9 mi Low Mosquito Of Harrison Watershed Site 5-1 6.3 mi Low