Long Willow Bottom is an earth dam located in Garfield County, Utah, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 113 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 Long Willow Bottom
The primary purpose of Long Willow Bottom is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Div Wildlife Resources (state). It impounds the Twitchell Creek near Escalante.
The dam stands 17 feet tall and stretches 113 feet across, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1961, 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 08/10/2009. That was over 17 years ago.
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Location
| State | Utah |
| County | Garfield |
| Nearest City | Escalante |
| River/Stream | Twitchell Creek |
| Coordinates | 37.90850, -111.84574 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Length | 113 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 80 acre-ft |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Div Wildlife Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/10/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | UT00183 |
| Federal ID | UT00183 |
| More Info | State Dam Safety Program |