Crowley Lake is an earth dam located in Atoka County, Oklahoma, built in 1940. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 300 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 Crowley Lake
The primary purpose of Crowley Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Oklahoma City Water Utilities Trust (local government). It impounds the Tr-n Boggy-crk near Flora.
The dam stands 16 feet tall and stretches 300 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 106 acre-feet. Completed in 1940, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 11/06/2013. That was over 12 years ago.
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Location
| State | Oklahoma |
| County | Atoka |
| Nearest City | Flora |
| River/Stream | Tr-n Boggy-crk |
| Coordinates | 34.56837, -96.03130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 300 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 106 acre-ft |
| Max Storage | 106 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 8 acres |
| Max Discharge | 992 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Oklahoma City Water Utilities Trust |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 11/06/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21381 |
| Federal ID | OK21381 |
| More Info | State Dam Safety Program |