Oknoname 30156 is an earth dam located in Beckham County, Oklahoma, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 440 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 30156
Oknoname 30156 is a dam in Beckham, Oklahoma. The dam is owned by Mark B & Deborah K Simpson (private). It impounds the Big Kiowa Creek near Elk City.
The dam stands 21 feet tall and stretches 440 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 420 square miles. Completed in 1998, the structure is 28 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 11/30/2010. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Beckham |
| Nearest City | Elk City |
| River/Stream | Big Kiowa Creek |
| Coordinates | 35.50076, -99.42911 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 19 ft |
| Dam Length | 440 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 420 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Mark B & Deborah K Simpson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/30/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK30156 |
| Federal ID | OK30156 |
| More Info | State Dam Safety Program |