New Wall Lake
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Pennington |
| Nearest City | NONE |
| River/Stream | TR-CHEYENNE |
| Coordinates | 43.98166, -102.28166 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 570 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 460 acre-ft |
| Max Storage | 460 acre-ft |
| Normal Storage | 280 acre-ft |
| Max Discharge | 1,365 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 11/01/2023 |
| Emergency Action Plan | Not Required |