Big Supai Tank
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Arizona |
| County | Coconino |
| Nearest City | NO DATA |
| River/Stream | JOHNSON CREEK |
| Coordinates | 35.23528, -112.26972 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 790 ft |
| Year Completed | 1882 (144 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | WARREN SMITH CONTRACTING, INC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/26/2018 |
| Emergency Action Plan | Not Required |