J. D. Dam is an earth dam located in Coconino County, Arizona, built in 1915. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 120 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 J. D. Dam
The primary purpose of J. D. Dam 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 Usda Fs (federal). It impounds the J D Dam Wash Tr Sycamore Creek near Cottonwood.
The dam stands 21 feet tall and stretches 120 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1915, the structure is over a century 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 08/01/2017.
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Location
| State | Arizona |
| County | Coconino |
| Nearest City | Cottonwood |
| River/Stream | J D Dam Wash Tr Sycamore Creek |
| Coordinates | 35.06520, -112.02770 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 120 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 2,475 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/01/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ82405 |
| Federal ID | AZ82405 |
| More Info | State Dam Safety Program |