Johnson #2 is an earth dam located in La Plata County, Colorado. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 636 ft long. 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 Johnson #2
The primary purpose of Johnson #2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lake Durango Water Authority (public utility). It impounds the Wildcat Canyon-tr near Durango.
The dam stands 18 feet tall and stretches 636 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 123 acre-feet, and collects water from a drainage area of 1 square miles.
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 08/24/2021.
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Location
| State | Colorado |
| County | La Plata |
| Nearest City | Durango |
| River/Stream | Wildcat Canyon-tr |
| Coordinates | 37.24539, -107.97543 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 636 ft |
Storage & Hydraulics
| NID Storage | 123 acre-ft |
| Max Storage | 123 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Lake Durango Water Authority |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/24/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02879 |
| Federal ID | CO02879 |
| More Info | State Dam Safety Program |