Griggs #3 is an earth dam located in Grand County, Colorado, built in 1952. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 1,900 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 Griggs #3
Griggs #3 is a dam in Grand, Colorado. The dam is owned by J. E. Yust (private). It impounds the Beaver Creek-os near Kremmling.
The dam stands 18 feet tall and stretches 1,900 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 75 acre-feet. Completed in 1952, 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. 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 07/19/1988. That was over 38 years ago.
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Location
| State | Colorado |
| County | Grand |
| Nearest City | Kremmling |
| River/Stream | Beaver Creek-os |
| Coordinates | 39.99695, -106.38557 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 1,900 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 157 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | J. E. Yust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/19/1988 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02697 |
| Federal ID | CO02697 |
| More Info | State Dam Safety Program |