Pierce Mills
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Vermont |
| County | Caledonia |
| Nearest City | St Johnsbury Center |
| River/Stream | Passumpsic River |
| Coordinates | 44.48600, -72.00870 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 136 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 337 sq mi |
| Max Discharge | 6,430 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Green Mountain Power Corporation |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/15/2022 |
| Emergency Action Plan | Not Required |