Old Mill Dam (In-Channel)

MISSISSINEWA RIVER· Grant, Indiana· Built 1938· 10 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Old Mill Dam (In-Channel) is classified as low hazard in Indiana. It was completed in 1938 and is 88 years old. Its primary use is recreation.

Physical Details

Dam Height 10 ft (taller than 2.2% in IN)
Dam Length350 ft
Max Storage230 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area681 sq mi
Max Discharge0 cfs
Year Completed1938 (88 years old)
NID IDIN03554

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: February 25, 2016
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF MARION

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Old Mill Dam (In-Channel)?

Old Mill Dam (In-Channel) is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Old Mill Dam (In-Channel)?

Old Mill Dam (In-Channel) is owned by CITY OF MARION (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Old Mill Dam (In-Channel) built?

Old Mill Dam (In-Channel) was completed in 1938, making it 88 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Old Mill Dam (In-Channel)?

Old Mill Dam (In-Channel) serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Old Mill Dam (In-Channel)?

Old Mill Dam (In-Channel) has a dam height of 10 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Old Mill Dam (In-Channel) last inspected?

Old Mill Dam (In-Channel) was last inspected on February 25, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.