Oknoname 21978 is an earth dam located in Kay County, Oklahoma, built in 1980. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 800 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 Oknoname 21978
The primary purpose of Oknoname 21978 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 Blackwell Industrial Authority (local government). It impounds the Tr-chickashia River.
The dam stands 15 feet tall and stretches 800 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 90 acre-feet. Completed in 1980, the structure is 46 years 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 10/18/2011. That was over 14 years ago.
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Location
| State | Oklahoma |
| County | Kay |
| River/Stream | Tr-chickashia River |
| Coordinates | 36.80448, -97.32484 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 800 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 4 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Blackwell Industrial Authority |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/18/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21978 |
| Federal ID | OK21978 |
| More Info | State Dam Safety Program |