Main Mill Dam

High HazardPoor ConditionEmergency Action Plan: Yes

Location

CountyClinton
Nearest CityPlattsburgh
River/StreamSARANAC RIVER
Coordinates44.68111, -73.47361

Physical Characteristics

Dam TypeConcrete
NID Height25 ft
Dam Height25 ft
Dam Length715 ft
Year Completed1881 (145 years old)

Storage & Hydraulics

NID Storage920 acre-ft
Max Storage920 acre-ft
Normal Storage830 acre-ft
Surface Area84 acres
Drainage Area608 sq mi
Max Discharge15,820 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerIMPERIAL INDUSTRIAL PARK;NYS DEC DIVISION OF FISH AND WILDLIFE
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection05/16/2024
Emergency Action PlanYes

Identifiers

NID IDNY00262
Federal IDNY00262
More InfoState Dam Safety Program

Nearby Dams

South Dam 1.9 mi Significant Mead Reservoir Dam 6.0 mi High Westbrook Reservoir #1 Dam 6.1 mi Significant Westbrook Reservoir #2 Dam 6.3 mi Significant Kents Falls 6.6 mi High Mill C 6.9 mi Significant Cadyville 7.7 mi High Dead Creek Dam 7.8 mi Low Davis Lake Dam 7.9 mi Significant Rainbow Falls 11.0 mi Significant