Collinsville is an earth dam located in Rogers County, Oklahoma, built in 1930. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 1,800 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 Collinsville
The primary purpose of Collinsville 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 Collinsville (local government). It impounds the Tr-caney River near Sageeyah.
The dam stands 22 feet tall and stretches 1,800 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 112 acre-feet. Completed in 1930, 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 05/20/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Rogers |
| Nearest City | Sageeyah |
| River/Stream | Tr-caney River |
| Coordinates | 36.37909, -95.79668 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,800 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 6,140 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Collinsville |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/20/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK11099 |
| Federal ID | OK11099 |
| More Info | State Dam Safety Program |