Mill Picayune Watershed Site M-33-2

TR- MILL CREEK· Crawford, Iowa· Built 1993· Earth· 41 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Flood Risk Reduction Local Government

Key Takeaway

Mill Picayune Watershed Site M-33-2 is classified as low hazard in Iowa. It was completed in 1993 and is 33 years old. Its primary use is fire protection.

Physical Details

Dam Height 41 ft (taller than 86.2% in IA)
Dam Length880 ft
Dam TypeEarth
Max Storage303 acre-ft
Normal Storage126 acre-ft
Surface Area12 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1993 (33 years old)
NID IDIA02919

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

Crawford County SWCD

Local Government

Nearby Dams

Mill Picayune Watershed Site M-35-1

Crawford, IA

Significant Hazard 37 ft

Mill Picayune Watershed Site M-2

Crawford, IA

Significant Hazard 37 ft

Mill Picayune Watershed Site M-1

Crawford, IA

Significant Hazard 36 ft

Mill Picayune Watershed Site M-24-2

Crawford, IA

Low Hazard 40 ft

Turner Dam

Crawford, IA

Low Hazard 42 ft

Mill Picayune Watershed Site M-30-2

Crawford, IA

Low Hazard 34 ft

Lapke Dam

Shelby, IA

Low Hazard 23 ft

Shelby County Roadgrade Dam 1-81-40

Shelby, IA

Low Hazard 26 ft

Frequently Asked Questions

What is the hazard classification of Mill Picayune Watershed Site M-33-2?

Mill Picayune Watershed Site M-33-2 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 Mill Picayune Watershed Site M-33-2?

Mill Picayune Watershed Site M-33-2 is owned by Crawford County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mill Picayune Watershed Site M-33-2 built?

Mill Picayune Watershed Site M-33-2 was completed in 1993, making it 33 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 Mill Picayune Watershed Site M-33-2?

Mill Picayune Watershed Site M-33-2 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 Mill Picayune Watershed Site M-33-2?

Mill Picayune Watershed Site M-33-2 has a dam height of 41 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.