Phillips Refinery Dam No 1 is a gravity dam located in Hutchinson County, Texas, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 39 ft39 ft tall and 255 ft long, taller than 85% 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 concrete gravity section and the water level is illustrative.
About Phillips Refinery Dam No 1
The primary purpose of Phillips Refinery Dam 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 Conocophillips Company (private). It impounds the Tr-canadian River.
The dam stands 39 feet tall and stretches 255 feet across, and has a maximum storage capacity of 118 acre-feet. Completed in 1977, the structure is 49 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 08/03/1977. That was over 49 years ago.
At 39 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Texas |
| County | Hutchinson |
| River/Stream | Tr-canadian River |
| Coordinates | 35.70728, -101.36329 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 255 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 118 acre-ft |
| Max Storage | 118 acre-ft |
| Normal Storage | 78 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Conocophillips Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/03/1977 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX04405 |
| Federal ID | TX04405 |
| More Info | State Dam Safety Program |