Norwalk Memorial Reservoir

Norwalk Memorial Reservoir is an earth dam located in Huron County, Ohio, built in 1954. It carries a High hazard potential classification and has a fair condition assessment.

About Norwalk Memorial Reservoir

The primary purpose of Norwalk Memorial Reservoir 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 Norwalk (local government). It impounds the Norwalk Creek near Norwalk.

The dam stands 54 feet tall and stretches 4,940 feet across, creates a reservoir covering 95 acres, has a maximum storage capacity of 2,022 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1954, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/18/2021.

At 54 feet, this dam is taller than 94% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Ohio dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateOhio
CountyHuron
Nearest CityNorwalk
River/StreamNorwalk Creek
Coordinates41.23500, -82.59000

Physical Characteristics

Dam TypeEarth
NID Height54 ft
Dam Height54 ft
Dam Length4,940 ft
Year Completed1954 (72 years old)

Storage & Hydraulics

NID Storage2,022 acre-ft
Max Storage2,022 acre-ft
Normal Storage1,608 acre-ft
Surface Area95 acres
Drainage Area8 sq mi
Max Discharge10,078 cfs

Ownership & Safety

PurposeWater Supply
OwnerCity of Norwalk
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection05/18/2021
Emergency Action PlanYes

Identifiers

NID IDOH00761
Federal IDOH00761
More InfoState Dam Safety Program

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