Sedimentation Pond Hg-1
Sedimentation Pond Hg-1 is an earth dam located in Routt County, Colorado, built in 1979. It carries a Low hazard potential classification and has a fair condition assessment.
About Sedimentation Pond Hg-1
Sedimentation Pond Hg-1 is a dam in Routt, Colorado. The dam is owned by H. G. Coal Co. (private). It impounds the Hayden Gulch near Hamilton.
The dam stands 50 feet tall and stretches 1,300 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 44 acre-feet. Completed in 1979, the structure is 47 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 01/01/1991. That was over 35 years ago.
At 50 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Colorado |
| County | Routt |
| Nearest City | Hamilton |
| River/Stream | Hayden Gulch |
| Coordinates | 40.35167, -107.31390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 40 ft |
| Dam Length | 1,300 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 44 acre-ft |
| Max Storage | 44 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 1,090 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | H. G. COAL CO. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 01/01/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02221 |
| Federal ID | CO02221 |
| More Info | State Dam Safety Program |