Matson

TR-SOUTH FORK GRAND RIVER· Harding, South Dakota· Built 1952· Earth· 23 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Matson is classified as low hazard in South Dakota. It was completed in 1952 and is 74 years old. Its primary use is fire protection.

Physical Details

Dam Height 23 ft (taller than 49.8% in SD)
Dam Length890 ft
Dam TypeEarth
Max Storage350 acre-ft
Normal Storage200 acre-ft
Max Discharge4,500 cfs
Year Completed1952 (74 years old)
NID IDSD01874

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
State Regulated: Yes
Regulatory Agency: DANR

Ownership

TED MATSON

Private

Nearby Dams

Sd Noname 106

Harding, SD

Low Hazard 12 ft

Gilbert No.2

Harding, SD

Low Hazard 22 ft

Hett No.2

Harding, SD

Low Hazard 19 ft

Hett No.1

Harding, SD

Low Hazard 13 ft

Sd Noname 130

Harding, SD

Low Hazard 27 ft

Gilbert No.1

Harding, SD

Low Hazard 19 ft

Sd Noname 131

Harding, SD

Low Hazard 19 ft

Salmen No.1

Harding, SD

Low Hazard 15 ft

Frequently Asked Questions

What is the hazard classification of Matson?

Matson 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 Matson?

Matson is owned by TED MATSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Matson built?

Matson was completed in 1952, making it 74 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 Matson?

Matson 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 Matson?

Matson has a dam height of 23 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.

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.