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Hardy Dam Auxiliary Spillway Upgrade

Sector: Hydro • Location: Newaygo County, Michigan, United States

Source: MLive

Project
Planned

The Hardy Dam, Michigan's largest river hydroelectric dam, requires a $350 million auxiliary spillway upgrade to meet modern federal standards for passing probable maximum floods. The project involves constructing a new auxiliary spillway to reduce the risk of dam failure, which is classified as high hazard due to potential loss of life. Construction was planned to start in May 2026 but has been r

Status
Prospective
Sector
Hydro, Water Supply and Storage
Location
Newaygo County, Michigan, United States of America
Updated
22 Jul 2026
Source
MLive

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The project “Hardy Dam Auxiliary Spillway Upgrade” is an infrastructure initiative in the Hydro sector, located in Newaygo County, Michigan, United States. Taiyo aggregates data on it from MLive.

Participants

Not available for this record.

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Hardy Dam, Michigan's largest river hydroelectric dam, requires a $350 million auxiliary spillway upgrade to meet modern federal standards for passing probable maximum floods. The project involves constructing a new auxiliary spillway to reduce the risk of dam failure, which is classified as high hazard due to potential loss of life. Construction was planned to start in May 2026 but has been requested to be delayed until December 31, 2028, due to a pending sale of the hydroelectric dams to a private buyer. Conservation groups have urged for year-round lowering of the reservoir during the delay to reduce risk.

Original sector

Energy

Budget

Location

Country

United States of America (USA)

State

Michigan

City

Newaygo County

Source

Source

MLive

URL

More Details

Record type

Project

Sector

Hydro, Water Supply and Storage

Article published date

2026-03-28

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