Pattee Creek No. 2
Pattee Creek No. 2 is an earth dam located in Lincoln County, South Dakota, built in 1969. It carries a Low hazard potential classification.
About Pattee Creek No. 2
The primary purpose of Pattee Creek No. 2 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 Distr. (local government). It impounds the Pattee Creek-tr near North Sioux City.
The dam stands 42 feet tall and stretches 1,312 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 1,130 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1969, 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.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | South Dakota |
| County | Lincoln |
| Nearest City | North Sioux City |
| River/Stream | Pattee Creek-tr |
| Coordinates | 43.17646, -96.53124 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 1,312 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 1,130 acre-ft |
| Max Storage | 1,130 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 3,657 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | PATTEE CREEK WATERSHED DISTR. |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02165 |
| Federal ID | SD02165 |
| More Info | State Dam Safety Program |