Ortonville 15

Minnesota River-TR· Big Stone, Minnesota· Rockfill· 27 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Ortonville 15 is classified as low hazard in Minnesota. Its primary use is fire protection.

Physical Details

Dam Height 27 ft (taller than 77.1% in MN)
Dam Length160 ft
Dam TypeRockfill
Max Storage15 acre-ft
Normal Storage11 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
NID IDMN01771

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: August 7, 2019
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Schoon, Wayne & Ethel

Private

Nearby Dams

Big Stone Lake

Big Stone, MN

Significant Hazard 15 ft

Ortonville 25

Big Stone, MN

Low Hazard 22 ft

Mn River Pool 7 Dikes 1 & 2

Lac qui Parle, MN

Low Hazard 8 ft

Long Tom Lake

Big Stone, MN

Low Hazard 10 ft

Highway 75 Dam

Lac qui Parle, MN

Low Hazard 10 ft

Johnson

Big Stone, MN

Low Hazard 14 ft

Steen Wma

Big Stone, MN

Low Hazard 10 ft

Frequently Asked Questions

What is the hazard classification of Ortonville 15?

Ortonville 15 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 Ortonville 15?

Ortonville 15 is owned by Schoon, Wayne & Ethel (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Ortonville 15?

Ortonville 15 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Ortonville 15?

Ortonville 15 has a dam height of 27 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 Ortonville 15 last inspected?

Ortonville 15 was last inspected on August 7, 2019. 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.