Altus Reservoir is an earth dam located in Jackson County, Oklahoma, built in 1940. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 14 ft14 ft tall and 11,000 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 Altus Reservoir
The primary purpose of Altus Reservoir is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City of Altus (local government). It impounds the Tr-north Fork Red Riv near Altus.
The dam stands 14 feet tall and stretches 11,000 feet across, creates a reservoir covering 140 acres, and has a maximum storage capacity of 2,800 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/06/2018.
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Location
| State | Oklahoma |
| County | Jackson |
| Nearest City | Altus |
| River/Stream | Tr-north Fork Red Riv |
| Coordinates | 34.65492, -99.31688 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 11,000 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 2,800 acre-ft |
| Max Storage | 2,800 acre-ft |
| Normal Storage | 2,500 acre-ft |
| Surface Area | 140 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Altus |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/06/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21226 |
| Federal ID | OK21226 |
| More Info | State Dam Safety Program |