Dams in Jefferson County, New York
80 dams on record, from New York's own published inventory. 14 have a computed filing deadline.
801 Housing Phase 3 Mid Det Basin Dam
low hazard
Antwerp Dam #2
low hazard
Antwerp Village Dam
low hazard
Bear Creek Dam
intermediate hazard
EAP: None
Next due: January 31, 2027
Beartown Marsh Dam
low hazard
Beebee Island Diversion Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Beebee Island Main Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Black River Power Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Brookside Cemetery Dams A,b,c,d
low hazard
Carthage State Dam
low hazard
DANC Detention Basin Dam
low hazard
Deferiet Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Delano Island Diversion Dam
low hazard
Dexter Middle Channel Dam
low hazard
Dexter North Channel Dam
low hazard
Dexter South Channel Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Diamond Island Diversion Dam
low hazard
ELMER HOOVER DAM
low hazard
Eureka Mills Dam
low hazard
Factory Square Dam
low hazard
Fourth Street East Impoundment Dam
low hazard
Frank Hubbard Dam
low hazard
Gardner Park Dam
low hazard
Harold L Scriven Wildlife Pond Dam
low hazard
Herrings Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Honeyville Marsh Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Howard Ward Pond Dam
low hazard
Hunneyman Dam
low hazard
Hyde Lake Outlet Control Structures
low hazard
Kamargo Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Kellers Dam
low hazard
La Fargeville Dam
low hazard
Lefebvre Mill Dam
low hazard
Lloyd & Gordon Fassett Marsh Dam
low hazard
Long Falls Dam
low hazard
Loomis Marsh Dam
low hazard
Lucky Star Lake Dam
low hazard
Martin Wildlife Pond Dam
low hazard
Martinet Marsh Dam
low hazard
Mary T Gibson Marsh #6 Dam
low hazard
Mary T Gibson Marsh #7 Dam
low hazard
May Rod & Gun Club Pond Dam
low hazard
Monitor Mills Dam
low hazard
Mud Lake Dam
low hazard
Northern Ny Trust Co Dam
low hazard
Nys Dec Marsh Dam #1
low hazard
Perch River Gma Feeding Area #925 Dam
low hazard
Perch River Wildlife Refuge Dam
low hazard
Philadelphia Dam
low hazard
Philadelphia Village Reservoir Dam
low hazard
Pine Camp Artillery Range Dam Site #1
low hazard
Pleasant Lake Dam
low hazard
Pump House Dam
low hazard
Robert Freeman Dam
low hazard
Robert W Purcell Dam
low hazard
SPICER DAM (BIG)
low hazard
SPICER DAM (LITTLE)
low hazard
Saiff Marsh Dam
low hazard
Sandy Hollow Dam
intermediate hazard
Next due: January 31, 2027
Sewalls South Channel Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Smithville Dam
low hazard
St James Lake Dam
low hazard
Stafford Dam
low hazard
Stone Mills Dam 2
low hazard
Swamp Road Dike
low hazard
Taft Hydro Dam
low hazard
Tannery Island Dam
low hazard
Theresa Dam
low hazard
UPPER PERCH RIVER DAM
low hazard
Upper North Channel Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Village Of Carthage Pool Dam
low hazard
Village Power House Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Watertown Dosing Station Dam
low hazard
Watertown Municipal Power Dam
intermediate hazard
EAP: On File
Next due: January 31, 2027
Watertown Settling Basin Dam
low hazard
Webster Dam
low hazard
Wellesly Island State Park Dam
low hazard
Wesley Bullard Marsh Dam
low hazard
West End Dam
low hazard
Wilson Creek Water Control Structure Dam
low hazard
Sourced from New York's public dam inventory. Claiming a dam here is free — look it up to see its full record. See what New York requires of dam owners.