Griffin Lloyd M
Griffin Lloyd M is an earth dam located in McCurtain County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
About Griffin Lloyd M
Griffin Lloyd M is a dam in McCurtain, Oklahoma. The dam is owned by Jack & Linda Su Griffin (private). It impounds the Tr-waterhole Cr near Mable Springs Sch..
The dam stands 20 feet tall and stretches 500 feet across, and has a maximum storage capacity of 132 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 05/07/2010. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | McCurtain |
| Nearest City | Mable Springs Sch. |
| River/Stream | Tr-waterhole Cr |
| Coordinates | 33.86353, -94.92062 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 500 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 105 acre-ft |
| Max Discharge | 992 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | JACK & LINDA SU GRIFFIN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/07/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21372 |
| Federal ID | OK21372 |
| More Info | State Dam Safety Program |