Oknoname 30174 is an earth dam located in Nowata County, Oklahoma, built in 2006. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 600 ft long, taller than 62% of U.S. dams with a recorded height. 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 30174
The primary purpose of Oknoname 30174 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 Bll LLC (private). It impounds the Big Creek.
The dam stands 28 feet tall and stretches 600 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 143 acre-feet, and collects water from a drainage area of 348 square miles. Completed in 2006, the structure is relatively new.
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 12/02/2010. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Nowata |
| Nearest City | None |
| River/Stream | Big Creek |
| Coordinates | 36.74563, -95.51779 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 600 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 143 acre-ft |
| Max Storage | 143 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 348 sq mi |
| Max Discharge | 0 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Bll LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/02/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK30174 |
| Federal ID | OK30174 |
| More Info | State Dam Safety Program |