Lake Manchester is an earth dam located in Gilpin County, Colorado, built in 1895. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 19 ft19 ft tall and 325 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 Manchester
The primary purpose of Lake Manchester is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Colorado Trout Group (moy, Leroy) (private). It impounds the Burns Gulch near Pinecliffe.
The dam stands 19 feet tall and stretches 325 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 180 acre-feet. Completed in 1895, the structure is over a century 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/20/2018.
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Location
| State | Colorado |
| County | Gilpin |
| Nearest City | Pinecliffe |
| River/Stream | Burns Gulch |
| Coordinates | 39.92445, -105.49696 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 325 ft |
| Year Completed | 1895 (131 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 18 acres |
| Max Discharge | 45 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Colorado Trout Group (moy, Leroy) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/20/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02375 |
| Federal ID | CO02375 |
| More Info | State Dam Safety Program |