Williams Perry is an earth dam located in Delaware County, Oklahoma, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 100 ft long, taller than 68% 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 Williams Perry
Williams Perry is a dam in Delaware, Oklahoma. The dam is owned by Perry E & Norma Williams (private). It impounds the Tr-illinois River near Siloam Springs.
The dam stands 30 feet tall and stretches 100 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1975, the structure is well into its service life at over 50 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 12/02/2010. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Delaware |
| Nearest City | Siloam Springs |
| River/Stream | Tr-illinois River |
| Coordinates | 36.17184, -94.61619 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 100 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 1 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Perry E & Norma Williams |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/02/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21201 |
| Federal ID | OK21201 |
| More Info | State Dam Safety Program |