Ewing is an earth dam located in Major County, Oklahoma, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 310 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 Ewing
Ewing is a dam in Major, Oklahoma. The dam is owned by Larry Wright (private). It impounds the Tr-deep Cr near Isabella.
The dam stands 20 feet tall and stretches 310 feet across, and has a maximum storage capacity of 100 acre-feet. Completed in 1970, 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 04/23/1997. That was over 29 years ago.
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Location
| State | Oklahoma |
| County | Major |
| Nearest City | Isabella |
| River/Stream | Tr-deep Cr |
| Coordinates | 36.21070, -98.37444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 310 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 54 acre-ft |
| Max Discharge | 100 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Larry Wright |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/23/1997 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK13195 |
| Federal ID | OK13195 |
| More Info | State Dam Safety Program |