Richardson C.b. is an earth dam located in Stephens County, Oklahoma, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 500 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 Richardson C.b.
Richardson C.b. is a dam in Stephens, Oklahoma. The dam is owned by Mary Avis Richardson (private). It impounds the Tr Armstrong Creek near Pumpkin Center.
The dam stands 16 feet tall and stretches 500 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 74 acre-feet. Completed in 1970, 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 08/31/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Stephens |
| Nearest City | Pumpkin Center |
| River/Stream | Tr Armstrong Creek |
| Coordinates | 34.61948, -98.11526 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 500 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 1,031 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Mary Avis Richardson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/31/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21395 |
| Federal ID | OK21395 |
| More Info | State Dam Safety Program |