Klondike Mill Dam is a dam located in Lyon County, Iowa. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 175 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 Klondike Mill Dam
The primary purpose of Klondike Mill Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lyon County Conservation Board (local government). It impounds the Big Sioux River.
The dam stands 12 feet tall and stretches 175 feet across, and has a maximum storage capacity of 289 acre-feet.
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 | Iowa |
| County | Lyon |
| River/Stream | Big Sioux River |
| Coordinates | 43.38620, -96.52160 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 175 ft |
Storage & Hydraulics
| NID Storage | 289 acre-ft |
| Max Storage | 289 acre-ft |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lyon County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04029 |
| Federal ID | IA04029 |
| More Info | State Dam Safety Program |