Clear Dark Little Lakes
Clear Dark Little Lakes is a gravity dam located in Koochiching County, Minnesota, built in 1958. It carries a Low hazard potential classification and has a fair condition assessment.
About Clear Dark Little Lakes
Clear Dark Little Lakes is a dam in Koochiching, Minnesota. The dam is owned by Mndnr (state). It impounds the Lost River-tr near Gremmel.
The dam stands 7 feet tall and stretches 12 feet across, creates a reservoir covering 78 acres, has a maximum storage capacity of 2,904 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1958, the structure is well into its service life at over 50 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. The most recent inspection on record was 08/01/2017.
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Location
| State | Minnesota |
| County | Koochiching |
| Nearest City | Gremmel |
| River/Stream | Lost River-tr |
| Coordinates | 47.95604, -94.08493 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 12 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 2,904 acre-ft |
| Max Storage | 2,904 acre-ft |
| Normal Storage | 2,370 acre-ft |
| Surface Area | 78 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 205 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | MNDNR |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/01/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00091 |
| Federal ID | MN00091 |
| More Info | State Dam Safety Program |