Emerald Valley

Heron Lake-TR· Jackson, Minnesota· Earth· 27 ft tall
Low Hazard Other Private

Key Takeaway

Emerald Valley is classified as low hazard in Minnesota. Its primary use is other.

Physical Details

Dam Height 27 ft (taller than 77.1% in MN)
Dam Length260 ft
Dam TypeEarth
Max Storage61 acre-ft
Normal Storage2 acre-ft
Surface Area1 acres
Drainage Area4 sq mi
NID IDMN01780

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: November 15, 2018
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Emerald Valley Golf Club

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Emerald Valley?

Emerald Valley 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 Emerald Valley?

Emerald Valley is owned by Emerald Valley Golf Club (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Emerald Valley?

Emerald Valley serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Emerald Valley?

Emerald Valley 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 Emerald Valley last inspected?

Emerald Valley was last inspected on November 15, 2018. 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.