Dd No 204
Key Takeaway
Dd No 204 is classified as low hazard in Kansas. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 25 ft (taller than 46.5% in KS) |
| Dam Length | 775 ft |
| Dam Type | Earth |
| Max Storage | 184 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,848 cfs |
| Year Modified | 2004 |
| NID ID | KS04464 |
Safety Information
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?
Ownership
ROCK CREEK WJD NO 84
Local Government
Nearby Dams
Dd No 205
Lyon, KS
Significant Hazard 28 ftDd No 202
Lyon, KS
Low Hazard 27 ftDd No 106
Lyon, KS
Low Hazard 32 ftDd No 232
Lyon, KS
Low Hazard 30 ftDd No 203
Lyon, KS
Low Hazard 35 ftMcgrew Reservoir
Lyon, KS
Low Hazard 24 ftDd No 208
Morris, KS
High Hazard 23 ftDd No 242
Lyon, KS
Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Dd No 204?
Dd No 204 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 204?
Dd No 204 is owned by ROCK CREEK WJD NO 84 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Dd No 204?
Dd No 204 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 204?
Dd No 204 has a dam height of 25 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 204 last inspected?
Dd No 204 was last inspected on April 30, 2005. Inspection dates indicate when a formal review occurred, not the results of that inspection.