Johnnie Johnson
Johnnie Johnson is an earth dam located in Rio Blanco County, Colorado, built in 1970. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Johnnie Johnson
The primary purpose of Johnnie Johnson is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Colorado Parks And Wildlife (state). It impounds the White River-tr near Rangely.
The dam stands 28 feet tall and stretches 4,855 feet across, creates a reservoir covering 149 acres, and has a maximum storage capacity of 1,781 acre-feet. Completed in 1970, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 07/23/2019.
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Location
| State | Colorado |
| County | Rio Blanco |
| Nearest City | Rangely |
| River/Stream | White River-tr |
| Coordinates | 40.08836, -108.21393 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 25 ft |
| Dam Length | 4,855 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 1,781 acre-ft |
| Max Storage | 1,781 acre-ft |
| Normal Storage | 1,036 acre-ft |
| Surface Area | 149 acres |
| Max Discharge | 8,821 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | COLORADO PARKS AND WILDLIFE |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 07/23/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00964 |
| Federal ID | CO00964 |
| More Info | State Dam Safety Program |