Cedar Grove Colony Dam
Key Takeaway
Cedar Grove Colony Dam 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 | 19 ft (taller than 29.5% in SD) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,523 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | SD02445 |
Safety Information
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?
Ownership
CEDAR GROVE COLONY
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Cedar Grove Colony Dam?
Cedar Grove Colony Dam 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 Cedar Grove Colony Dam?
Cedar Grove Colony Dam is owned by CEDAR GROVE COLONY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cedar Grove Colony Dam built?
Cedar Grove Colony Dam 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 Cedar Grove Colony Dam?
Cedar Grove Colony Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cedar Grove Colony Dam?
Cedar Grove Colony Dam has a dam height of 19 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.