Harris No.1
Harris No.1 is an earth dam located in Ellis County, Oklahoma, built in 1958. It carries a Low hazard potential classification.
About Harris No.1
The primary purpose of Harris No.1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Roger And Lena Harris (private). It impounds the Oats Canyon near Trail.
The dam stands 21 feet tall and stretches 215 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 70 acre-feet. Completed in 1958, 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 12/14/2010. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Ellis |
| Nearest City | Trail |
| River/Stream | Oats Canyon |
| Coordinates | 36.03897, -99.50757 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 215 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 1 acres |
| Max Discharge | 1,250 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ROGER AND LENA HARRIS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 12/14/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK00352 |
| Federal ID | OK00352 |
| More Info | State Dam Safety Program |