Triple B Dam 1

TR- ROCK CREEK· Jasper, Iowa· Built 1997· Earth· 30 ft tall

Key Takeaway

Triple B Dam 1 is classified as low hazard in Iowa. It was completed in 1997 and is 29 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 30 ft (taller than 48.2% in IA)
Dam Length690 ft
Dam TypeEarth
Max Storage286 acre-ft
Normal Storage148 acre-ft
Surface Area20 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1997 (29 years old)
NID IDIA03312

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: IOWA DNR

Ownership

Triple B Wildlife Area

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Triple B Dam 1?

Triple B Dam 1 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 Triple B Dam 1?

Triple B Dam 1 is owned by Triple B Wildlife Area (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Triple B Dam 1 built?

Triple B Dam 1 was completed in 1997, making it 29 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 Triple B Dam 1?

Triple B Dam 1 serves the following purposes: Fish And Wildlife Pond, 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 Triple B Dam 1?

Triple B Dam 1 has a dam height of 30 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.