Number 10 Tank is an earth dam located in Coconino County, Arizona, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 500 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 Number 10 Tank
The primary purpose of Number 10 Tank is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Arizona State Land Department;juniperwood Ranch, Inc. (private). It impounds the Partridge Canyon Watershed near Interstate 40.
The dam stands 21 feet tall and stretches 500 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 167 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1939, 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 08/19/2011. That was over 15 years ago.
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Location
| State | Arizona |
| County | Coconino |
| Nearest City | Interstate 40 |
| River/Stream | Partridge Canyon Watershed |
| Coordinates | 35.30500, -112.59139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 500 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 167 acre-ft |
| Max Storage | 167 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 7,164 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Arizona State Land Department;juniperwood Ranch, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/19/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00220 |
| Federal ID | AZ00220 |
| More Info | State Dam Safety Program |