Twin Tanks is an earth dam located in Pima County, Arizona. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 792 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 Twin Tanks
Twin Tanks is a dam in Pima, Arizona. The dam is owned by Andrada Ranch;arizona State Land Department (private). It impounds the Unnamed to Davidson Canyon - Tr near Tucson.
The dam stands 24 feet tall and stretches 792 feet across, creates a reservoir covering 8 acres, and has a storage capacity of 68 acre-feet.
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 04/11/2006. That was over 20 years ago.
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Location
| State | Arizona |
| County | Pima |
| Nearest City | Tucson |
| River/Stream | Unnamed to Davidson Canyon - Tr |
| Coordinates | 31.91167, -110.66667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 792 ft |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 8 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Andrada Ranch;arizona State Land Department |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/11/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00264 |
| Federal ID | AZ00264 |
| More Info | State Dam Safety Program |