St. Croix River, Southwest โ€” Fishing restrictions

Whitefish
Season / Restrictions Bag Limit Minimum Size Maximum Size
January 1 – September 15 Non-tidal portions of non-boundary waters 8 10cm 70cm
January 1 – September 15 Tidal portions of non-boundary waters 8 10cm 70cm
January 1 – December 31 Non-tidal portions of boundary waters between New Brunswick and Maine 3 N/A N/A
January 1 – December 31 Tidal portions of boundary waters between New Brunswick and Maine 3 N/A N/A
Exceptions
April 15 – December 31 Fly Fishing in rivers, brooks and streams from the old Union Mills Bridge remnants upstream to the power house dam at Milltown Fly fishing only beginning Apr 15