North Star Subdivision Dam
North Star Subdivision Dam is an earth dam located in Lyon County, Kansas, built in 1968. It carries a Significant hazard potential classification and has a fair condition assessment.
About North Star Subdivision Dam
North Star Subdivision Dam is a dam in Lyon, Kansas. The dam is owned by Flanagin, Marlin & Darla (private). It impounds the Neosho River-tr near Emporia.
The dam stands 25 feet tall and stretches 1,054 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 128 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. The most recent inspection on record was 05/22/2023.
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Location
| State | Kansas |
| County | Lyon |
| Nearest City | Emporia |
| River/Stream | Neosho River-tr |
| Coordinates | 38.45454, -96.25552 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,054 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,424 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | FLANAGIN, MARLIN & DARLA |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/22/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | KS03566 |
| Federal ID | KS03566 |
| More Info | State Dam Safety Program |