Lower Cogdill is an earth dam located in Moffat County, Colorado, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 39 ft39 ft tall and 480 ft long, taller than 85% of U.S. dams with a recorded height. 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 Lower Cogdill
The primary purpose of Lower Cogdill is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Espy, Jim & Peggy (private). It impounds the Government Coral Cr near Craig.
The dam stands 39 feet tall and stretches 480 feet across, creates a reservoir covering 17 acres, and has a maximum storage capacity of 275 acre-feet. Completed in 1956, 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. The most recent inspection on record was 07/01/2015. That was over 11 years ago.
At 39 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Colorado |
| County | Moffat |
| Nearest City | Craig |
| River/Stream | Government Coral Cr |
| Coordinates | 40.97167, -107.32890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 38 ft |
| Dam Length | 480 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 275 acre-ft |
| Max Storage | 275 acre-ft |
| Normal Storage | 173 acre-ft |
| Surface Area | 17 acres |
| Max Discharge | 966 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Espy, Jim & Peggy |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/01/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01857 |
| Federal ID | CO01857 |
| More Info | State Dam Safety Program |