Cobblestone
Cobblestone is an earth dam located in Oklahoma County, Oklahoma, built in 1924. It carries a Low hazard potential classification.
About Cobblestone
The primary purpose of Cobblestone is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cobblestone Inc (private). It impounds the Un Trib Walnut Cr near Oklahoma City.
The dam stands 22 feet tall and stretches 760 feet across, and has a maximum storage capacity of 175 acre-feet. Completed in 1924, 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 03/17/2005. That was over 21 years ago.
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Location
| State | Oklahoma |
| County | Oklahoma |
| Nearest City | Oklahoma City |
| River/Stream | Un Trib Walnut Cr |
| Coordinates | 35.60609, -97.65761 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 760 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 175 acre-ft |
| Max Storage | 175 acre-ft |
| Normal Storage | 86 acre-ft |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | COBBLESTONE INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 03/17/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK30112 |
| Federal ID | OK30112 |
| More Info | State Dam Safety Program |