Willow Springs is a rockfill dam located in Coconino County, Arizona, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 80 ft80 ft tall and 700 ft long, taller than 97% 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 rockfill embankment section and the water level is illustrative.
About Willow Springs
The primary purpose of Willow Springs is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Arizona Game & Fish Department (state). It impounds the Willow Springs near Winslow.
The dam stands 80 feet tall and stretches 700 feet across, creates a reservoir covering 150 acres, has a maximum storage capacity of 4,230 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1970, 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 05/09/2018.
At 80 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Arizona |
| County | Coconino |
| Nearest City | Winslow |
| River/Stream | Willow Springs |
| Coordinates | 34.31667, -110.87639 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 80 ft |
| Dam Height | 80 ft |
| Dam Length | 700 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 4,230 acre-ft |
| Max Storage | 4,230 acre-ft |
| Normal Storage | 3,654 acre-ft |
| Surface Area | 150 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 3,055 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Arizona Game & Fish Department |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/09/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00088 |
| Federal ID | AZ00088 |
| More Info | State Dam Safety Program |