Tonier Gulch is an earth dam located in Routt County, Colorado, built in 1946. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 325 ft long, taller than 74% of U.S. dams with a recorded height. 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 Tonier Gulch
The primary purpose of Tonier Gulch is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Coberly Creek Ranch (neelis, Mike & Merrilee) (private). It impounds the Toponas Creek-tr near Mccoy.
The dam stands 32 feet tall and stretches 325 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1946, 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 07/24/2018.
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Location
| State | Colorado |
| County | Routt |
| Nearest City | Mccoy |
| River/Stream | Toponas Creek-tr |
| Coordinates | 40.09251, -106.74140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 325 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 390 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Coberly Creek Ranch (neelis, Mike & Merrilee) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/24/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01710 |
| Federal ID | CO01710 |
| More Info | State Dam Safety Program |