Sioux Poinsett Gpa

TRIB. BIG SIOUX RIVER· Hamlin, South Dakota· Built 1995· Earth· 11 ft tall
Low Hazard Fish And Wildlife Pond Recreation State Government

Key Takeaway

Sioux Poinsett Gpa is classified as low hazard in South Dakota. It was completed in 1995 and is 31 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 11 ft (taller than 1.9% in SD)
Dam Length400 ft
Dam TypeEarth
Max Storage125 acre-ft
Normal Storage41 acre-ft
Surface Area15 acres
Drainage Area5 sq mi
Max Discharge1,075 cfs
Year Completed1995 (31 years old)
NID IDSD02413

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 27, 2019
State Regulated: Yes
Regulatory Agency: DANR

Ownership

GF&P

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sioux Poinsett Gpa?

Sioux Poinsett Gpa 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 Sioux Poinsett Gpa?

Sioux Poinsett Gpa is owned by GF&P (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sioux Poinsett Gpa built?

Sioux Poinsett Gpa was completed in 1995, making it 31 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 Sioux Poinsett Gpa?

Sioux Poinsett Gpa serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sioux Poinsett Gpa?

Sioux Poinsett Gpa has a dam height of 11 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 Sioux Poinsett Gpa last inspected?

Sioux Poinsett Gpa was last inspected on November 27, 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.