Big Supai Tank
Arizona — Coconino County — JOHNSON CREEK
Location
| State | Arizona |
| County | Coconino |
| River | JOHNSON CREEK |
| Coordinates | 35.23528, -112.26972 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 790 ft |
| NID Storage | 56 acre-ft |
| Max Storage | — |
| Surface Area | 9 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | October 26, 2018 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1882 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | WARREN SMITH CONTRACTING, INC. |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.