Ott Reservoir is an earth dam located in Fremont County, Colorado, built in 1895. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 31 ft31 ft tall and 744 ft long, taller than 72% 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 Ott Reservoir
The primary purpose of Ott Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Park Center Water District (wade, James) (public utility). It impounds the Fourmile Creek-os near Florence.
The dam stands 31 feet tall and stretches 744 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 40 acre-feet. Completed in 1895, the structure is over a century 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 08/08/2019.
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Location
| State | Colorado |
| County | Fremont |
| Nearest City | Florence |
| River/Stream | Fourmile Creek-os |
| Coordinates | 38.49669, -105.22673 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 14 ft |
| Dam Length | 744 ft |
| Year Completed | 1895 (131 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 278 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Park Center Water District (wade, James) |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 08/08/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02184 |
| Federal ID | CO02184 |
| More Info | State Dam Safety Program |