Ottumwa

Low HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateIowa
CountyWapello
Nearest CityOttumwa
River/StreamDes Moines River
Coordinates41.01597, -92.41571

Physical Characteristics

Dam TypeGravity
NID Height16 ft
Dam Height16 ft
Dam Length781 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage5,000 acre-ft
Max Storage5,000 acre-ft
Normal Storage5,000 acre-ft
Surface Area500 acres
Drainage Area13,430 sq mi
Max Discharge135,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerOttumwa, City of
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/02/2022
Emergency Action PlanYes

Identifiers

NID IDIA01316
Federal IDIA01316
More InfoState Dam Safety Program

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