Upper Centerville Reservoir Dam

Upper Centerville Reservoir Dam is an earth dam located in Appanoose County, Iowa, built in 1912. It carries a Significant hazard potential classification and has a fair condition assessment.

About Upper Centerville Reservoir Dam

The primary purpose of Upper Centerville Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Centerville (local government). It impounds the Tr-lower Centerville Reservoir near Centerville.

The dam stands 48 feet tall and stretches 900 feet across, creates a reservoir covering 103 acres, has a maximum storage capacity of 2,620 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1912, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/24/2022.

At 48 feet, this dam is taller than 92% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyAppanoose
Nearest CityCenterville
River/StreamTr-lower Centerville Reservoir
Coordinates40.71270, -92.88640

Physical Characteristics

Dam TypeEarth
NID Height48 ft
Dam Height48 ft
Dam Length900 ft
Year Completed1912 (114 years old)

Storage & Hydraulics

NID Storage2,620 acre-ft
Max Storage2,620 acre-ft
Normal Storage1,920 acre-ft
Surface Area103 acres
Drainage Area2 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCity of Centerville
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection05/24/2022
Emergency Action PlanNot Required

Identifiers

NID IDIA01335
Federal IDIA01335
More InfoState Dam Safety Program

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