Penny Dam is a rockfill dam located in Lyon County, Kansas, built in 1999. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 29 ft29 ft tall and 570 ft long, taller than 65% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Penny Dam
Penny Dam is a dam in Lyon, Kansas. The dam is owned by Penny, William J (private). It impounds the Coon Creek-tr.
The dam stands 29 feet tall and stretches 570 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1999, the structure is 27 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 12/13/2021.
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Location
| State | Kansas |
| County | Lyon |
| River/Stream | Coon Creek-tr |
| Coordinates | 38.41416, -96.06319 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 570 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,801 cfs |
Ownership & Safety
| Owner | Penny, William J |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/13/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS07904 |
| Federal ID | KS07904 |
| More Info | State Dam Safety Program |