Helen Smith
Helen Smith is an earth dam located in Roger Mills County, Oklahoma, built in 1986. It carries a Low hazard potential classification.
About Helen Smith
Helen Smith is a dam in Roger Mills, Oklahoma. The dam is owned by Helen Smith (private). It impounds the Tr-washita River near Hammon.
The dam stands 30 feet tall and stretches 187 feet across, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 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 11/29/2010. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Roger Mills |
| Nearest City | Hammon |
| River/Stream | Tr-washita River |
| Coordinates | 35.79317, -99.55839 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 187 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 14 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,212 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | HELEN SMITH |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/29/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK03032 |
| Federal ID | OK03032 |
| More Info | State Dam Safety Program |