Pierce Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Pennington |
| Nearest City | NONE |
| River/Stream | TR-CHEYENNE |
| Coordinates | 44.29829, -102.26302 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 500 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 440 acre-ft |
| Max Storage | 440 acre-ft |
| Normal Storage | 266 acre-ft |
| Max Discharge | 4,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&PL |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 11/16/2023 |
| Emergency Action Plan | Not Required |