Bunker Lake is an earth dam located in Rio Blanco County, Colorado, built in 1913. It carries a Low hazard potential classification.
Dam profile
NID height · 9 ft9 ft tall and 131 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 Bunker Lake
The primary purpose of Bunker Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gerald Culverwell (private). It impounds the Bunker Creek-tr near Hamilton.
The dam stands 9 feet tall and stretches 131 feet across, creates a reservoir covering 15 acres, and has a maximum storage capacity of 307 acre-feet. Completed in 1913, 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. The most recent inspection on record was 07/10/1990. That was over 36 years ago.
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Location
| State | Colorado |
| County | Rio Blanco |
| Nearest City | Hamilton |
| River/Stream | Bunker Creek-tr |
| Coordinates | 40.17671, -107.17348 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 131 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 307 acre-ft |
| Max Storage | 307 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 15 acres |
| Max Discharge | 121 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Gerald Culverwell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/10/1990 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01712 |
| Federal ID | CO01712 |
| More Info | State Dam Safety Program |