Dd No 255

ROCK CREEK-TR· Morris, Kansas· Built 2011· Earth· 31 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Dd No 255 is classified as low hazard in Kansas. It was completed in 2011 and is 15 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 31 ft (taller than 76.4% in KS)
Dam Length1,350 ft
Dam TypeEarth
Max Storage582 acre-ft
Normal Storage47 acre-ft
Surface Area13 acres
Drainage Area2 sq mi
Year Completed2011 (15 years old)
NID IDKS09362

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: July 26, 2011
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

ROCK CREEK WJD NO 84

Local Government

Nearby Dams

Dam KS01451

Morris, KS

Low Hazard 18 ft

Dd No 208

Morris, KS

High Hazard 23 ft

Dd No 232

Lyon, KS

Low Hazard 30 ft

Dam KS07399

Morris, KS

Low Hazard 26 ft

Dd No 202

Lyon, KS

Low Hazard 27 ft

Dd No 103

Lyon, KS

Low Hazard 29 ft

Dd No 204

Lyon, KS

Low Hazard 25 ft

Dd No 205

Lyon, KS

Significant Hazard 28 ft

Frequently Asked Questions

What is the hazard classification of Dd No 255?

Dd No 255 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 Dd No 255?

Dd No 255 is owned by ROCK CREEK WJD NO 84 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dd No 255 built?

Dd No 255 was completed in 2011, making it 15 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 Dd No 255?

Dd No 255 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dd No 255?

Dd No 255 has a dam height of 31 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 Dd No 255 last inspected?

Dd No 255 was last inspected on July 26, 2011. 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.