Oknoname 049020 is an earth dam located in Garvin County, Oklahoma, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 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 049020
Oknoname 049020 is a dam in Garvin, Oklahoma. The dam is owned by Cross B Ranch LLC (private). It impounds the Tr-little Peavine Creek near Wynnewood.
The dam stands 20 feet tall and stretches 800 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 120 acre-feet. Completed in 1956, the structure is well into its service life at over 50 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 05/03/2010. That was over 16 years ago.
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Location
| State | Oklahoma |
| County | Garvin |
| Nearest City | Wynnewood |
| River/Stream | Tr-little Peavine Creek |
| Coordinates | 34.84137, -97.12641 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 800 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 18 acres |
| Max Discharge | 320 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Cross B Ranch LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/03/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK00304 |
| Federal ID | OK00304 |
| More Info | State Dam Safety Program |