Mcchivvis is an earth dam located in Routt County, Colorado, built in 1951. It carries a Low hazard potential classification.
Dam profile
NID height · 61 ft61 ft tall and 189 ft long, taller than 95% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Mcchivvis
The primary purpose of Mcchivvis is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Fish & Cross Ranch (snyder, Tyler) (private). It impounds the Watson Creek near Yampa.
The dam stands 61 feet tall and stretches 189 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 317 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1951, 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 08/06/2015. That was over 11 years ago.
At 61 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Colorado |
| County | Routt |
| Nearest City | Yampa |
| River/Stream | Watson Creek |
| Coordinates | 40.11827, -107.03051 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 61 ft |
| Dam Height | 51 ft |
| Dam Length | 189 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 317 acre-ft |
| Max Storage | 317 acre-ft |
| Normal Storage | 192 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 706 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Fish & Cross Ranch (snyder, Tyler) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/06/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01025 |
| Federal ID | CO01025 |
| More Info | State Dam Safety Program |