City of Blackwell is a buttress dam located in Kay County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 600 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About City of Blackwell
The primary purpose of City of Blackwell 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 Blackwell (local government). It impounds the Chickaskia Riv near Blackwell.
The dam stands 20 feet tall and stretches 600 feet across, and has a maximum storage capacity of 120 acre-feet. Completed in 1950, 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. The most recent inspection on record was 05/17/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Kay |
| Nearest City | Blackwell |
| River/Stream | Chickaskia Riv |
| Coordinates | 36.86313, -97.31892 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 600 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 120 acre-ft |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Blackwell |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/17/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK10486 |
| Federal ID | OK10486 |
| More Info | State Dam Safety Program |