Lake Nemaha Wetlands is an earth dam located in Nemaha County, Kansas, built in 2002. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 6,057 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lake Nemaha Wetlands
The primary purpose of Lake Nemaha Wetlands is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Kansas Dept of Wildlife Parks & Tourism (state). It impounds the South Fork Big Nemaha River-tr near Seneca.
The dam stands 18 feet tall and stretches 6,057 feet across, creates a reservoir covering 120 acres, has a maximum storage capacity of 2,072 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2002, the structure is relatively new.
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.
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Location
| State | Kansas |
| County | Nemaha |
| Nearest City | Seneca |
| River/Stream | South Fork Big Nemaha River-tr |
| Coordinates | 39.76992, -96.03432 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 6,057 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 2,072 acre-ft |
| Max Storage | 2,072 acre-ft |
| Normal Storage | 462 acre-ft |
| Surface Area | 120 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 282 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Kansas Dept of Wildlife Parks & Tourism |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS09051 |
| Federal ID | KS09051 |
| More Info | State Dam Safety Program |