Blockton Watershed Site A-1

TR-PLATTE BRANCH· Taylor, Iowa· Built 1973· Earth· 33 ft tall

Key Takeaway

Blockton Watershed Site A-1 is classified as low hazard in Iowa. It was completed in 1973 and is 53 years old. Its primary use is fire protection.

Physical Details

Dam Height 33 ft (taller than 63.3% in IA)
Dam Length504 ft
Dam TypeEarth
Max Storage44 acre-ft
Normal Storage28 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1973 (53 years old)
NID IDIA01037

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 31, 1967
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Taylor County SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Blockton Watershed Site A-1?

Blockton Watershed Site A-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 Blockton Watershed Site A-1?

Blockton Watershed Site A-1 is owned by Taylor County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Blockton Watershed Site A-1 built?

Blockton Watershed Site A-1 was completed in 1973, making it 53 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 Blockton Watershed Site A-1?

Blockton Watershed Site A-1 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Blockton Watershed Site A-1?

Blockton Watershed Site A-1 has a dam height of 33 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 Blockton Watershed Site A-1 last inspected?

Blockton Watershed Site A-1 was last inspected on October 31, 1967. 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.