East Weta 1 (Nid)

DRY DRAW· Jackson, South Dakota· Built 1937· Earth· 16 ft tall

Key Takeaway

East Weta 1 (Nid) is classified as low hazard in South Dakota. It was completed in 1937 and is 89 years old. Its primary use is fire protection.

Physical Details

Dam Height 16 ft (taller than 15.7% in SD)
Dam Length690 ft
Dam TypeEarth
Max Storage58 acre-ft
Normal Storage58 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge112 cfs
Year Completed1937 (89 years old)
NID IDSD01132

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: October 12, 2006
State Regulated: No
Regulatory Agency: DENR

Ownership

USDA FS

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of East Weta 1 (Nid)?

East Weta 1 (Nid) 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 East Weta 1 (Nid)?

East Weta 1 (Nid) is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was East Weta 1 (Nid) built?

East Weta 1 (Nid) was completed in 1937, making it 89 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 East Weta 1 (Nid)?

East Weta 1 (Nid) serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is East Weta 1 (Nid)?

East Weta 1 (Nid) has a dam height of 16 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 East Weta 1 (Nid) last inspected?

East Weta 1 (Nid) was last inspected on October 12, 2006. 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.