Upper Chalk Tank
Upper Chalk Tank is an earth dam located in Cochise County, Arizona, built in 2002. It carries a Low hazard potential classification.
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 88% 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 Rated |
| Last Inspection | 12/03/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00316 |
| Federal ID | AZ00316 |
| More Info | State Dam Safety Program |