Talawanda No. 1 is a dam located in Pittsburg County, Oklahoma, built in 1902. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 700 ft long, taller than 84% of U.S. dams with a recorded height. 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 Talawanda No. 1
The primary purpose of Talawanda No. 1 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City of Mcalester (local government). It impounds the Tr-coal Cr near Shady Grove.
The dam stands 38 feet tall and stretches 700 feet across, creates a reservoir covering 91 acres, and has a maximum storage capacity of 1,578 acre-feet. Completed in 1902, the structure is over a century 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 05/31/2011. That was over 15 years ago.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Oklahoma |
| County | Pittsburg |
| Nearest City | Shady Grove |
| River/Stream | Tr-coal Cr |
| Coordinates | 34.97895, -95.79343 |
Physical Characteristics
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 700 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 1,578 acre-ft |
| Max Storage | 1,578 acre-ft |
| Normal Storage | 1,200 acre-ft |
| Surface Area | 91 acres |
| Max Discharge | 10,440 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Mcalester |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/31/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK01341 |
| Federal ID | OK01341 |
| More Info | State Dam Safety Program |