Diemer Reservoir is an earth dam located in Pitkin County, Colorado, built in 1929. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 150 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 Diemer Reservoir
The primary purpose of Diemer Reservoir 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 Usda Fs (federal). It impounds the Tributary N Fork Frying Pan near Biglow.
The dam stands 18 feet tall and stretches 150 feet across, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1929, the structure is well-established, with more than 75 years of service.
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 07/17/2017.
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Location
| State | Colorado |
| County | Pitkin |
| Nearest City | Biglow |
| River/Stream | Tributary N Fork Frying Pan |
| Coordinates | 39.33550, -106.60788 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 13 ft |
| Dam Length | 150 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 60 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/17/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO82420 |
| Federal ID | CO82420 |
| More Info | State Dam Safety Program |