Griggs
Griggs is an earth dam located in Grand County, Colorado, built in 1948. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Griggs
The primary purpose of Griggs is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by J. E. Yust (private). It impounds the Dry Creek near Kremmling.
The dam stands 20 feet tall and stretches 240 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 131 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1948, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/14/2006. That was over 19 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Grand |
| Nearest City | Kremmling |
| River/Stream | Dry Creek |
| Coordinates | 39.99834, -106.38223 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 240 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 131 acre-ft |
| Max Storage | 131 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 47 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | J. E. YUST |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/14/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00876 |
| Federal ID | CO00876 |
| More Info | State Dam Safety Program |