Upper Chalk Tank is an earth dam located in Cochise County, Arizona, built in 2002. It carries a Low hazard potential classification.
Dam profile
NID height · 41 ft41 ft tall and 1,130 ft long, taller than 87% 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 Upper Chalk Tank
The primary purpose of Upper Chalk Tank is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Bar Boot Ranch (private). It impounds the Unknown near No Data.
The dam stands 41 feet tall and stretches 1,130 feet across, creates a reservoir covering 11 acres, has a storage capacity of 117 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2002, the structure is relatively new.
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 12/03/2010. That was over 15 years ago.
At 41 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Arizona |
| County | Cochise |
| Nearest City | No Data |
| River/Stream | Unknown |
| Coordinates | 31.67769, -109.45692 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 31 ft |
| Dam Length | 1,130 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 117 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Bar Boot Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/03/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00316 |
| Federal ID | AZ00316 |
| More Info | State Dam Safety Program |