Pattee Creek No. 4
Pattee Creek No. 4 is an earth dam located in Lincoln County, South Dakota, built in 1975. It carries a Low hazard potential classification.
About Pattee Creek No. 4
The primary purpose of Pattee Creek No. 4 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 Pattee Creek Watershed Dist. (local government). It impounds the Tr-pattee Creek near North Sioux City.
The dam stands 27 feet tall and stretches 950 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 410 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1975, 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.
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Location
| State | South Dakota |
| County | Lincoln |
| Nearest City | North Sioux City |
| River/Stream | Tr-pattee Creek |
| Coordinates | 43.10583, -96.51695 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 950 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 410 acre-ft |
| Max Storage | 410 acre-ft |
| Normal Storage | 222 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,862 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | PATTEE CREEK WATERSHED DIST. |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02164 |
| Federal ID | SD02164 |
| More Info | State Dam Safety Program |