Dd No 2-18a

PAWNEE RIVER-TR· Pawnee, Kansas· Built 1976· Earth· 23 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Dd No 2-18a is classified as low hazard in Kansas. It was completed in 1976 and is 50 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 23 ft (taller than 38.6% in KS)
Dam Length1,785 ft
Dam TypeEarth
Max Storage1.5K acre-ft
Normal Storage97 acre-ft
Surface Area27 acres
Drainage Area5 sq mi
Max Discharge2,508 cfs
Year Completed1976 (50 years old)
NID IDKS00615

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 18, 2021
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

PAWNEE WJD NO 81

Local Government

Nearby Dams

Dam KS01541

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Dd No 2-35 (Lewis Dam)

Ness, KS

Low Hazard 25 ft

Dam KS01543

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Low Hazard 17 ft

Dam KS01701

Pawnee, KS

Low Hazard 29 ft

Dd No 1-23c

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Low Hazard 27 ft

Dd No 153

Rush, KS

Low Hazard 24 ft

Frd No 18

Rush, KS

Low Hazard 29 ft

Dd No 1-17

Pawnee, KS

Low Hazard 26 ft

Frequently Asked Questions

What is the hazard classification of Dd No 2-18a?

Dd No 2-18a 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 2-18a?

Dd No 2-18a is owned by PAWNEE WJD NO 81 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dd No 2-18a built?

Dd No 2-18a was completed in 1976, making it 50 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 2-18a?

Dd No 2-18a 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 2-18a?

Dd No 2-18a has a dam height of 23 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 2-18a last inspected?

Dd No 2-18a was last inspected on October 18, 2021. 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.