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Rules and Prizes

Boat Certification Requirements — please read

Notice to 2022 Mack Days Anglers

Recent discovery of quagga mussels in central Montana has elevated the need to reduce the risk of infestation in Flathead Lake. This is a very serious concern. Spring Mack Days rules require that everyone have current 2022 AIS boat inspections. All watercraft entering the state of Montana crossing west over the Continental Divide into the Columbia River Basin must provide proof of inspection from an authorized inspector before participation in the contest. Vessels and equipment traveling into the Flathead Basin that have been used on waters outside of the Flathead Basin must be inspected at a department inspection station prior to launching within the Flathead Basin. Fish entries will not be accepted from anglers fishing from un-certified boats. If during the event, a boat is taken out of the Flathead Basin, it is required to be re-inspected before re-entering the contest.
Your best defense is always WASH, CLEAN, AND DRY when moving your boat and trailer to any area, INCLUDING all equipment, lines, anchors, live wells, etc.

CSKT in collaboration with MFWP are operating mandatory watercraft inspection stations in Ravalli, MT and Plains, MT to prevent the spread of aquatic invasive species.

Additionally, inspections can be arranged with CSKT at 406 6th Ave E in Polson Monday through Thursday, 7 a.m. to 5 p.m. Appointments can be made by calling (406) 675-2700 ext. 7200 to arrange a watercraft inspection appointment.

Inspections can also be obtained at MFWP Kalispell Region 1 offices seven days a week from 8 a.m. to 4:30 p.m.

Thank you for your cooperation.

Rules and Prizes

Boat Washing and Inspection Requirements - please read

Notice to Mack Days Anglers

Recent discovery of quagga mussels in central Montana has elevated the need to reduce the risk of infestation in Flathead Lake. This is a very serious concern. Spring Mack Days rules require that everyone have current 2022 AIS boat inspections. All watercraft entering the state of Montana crossing west over the Continental Divide into the Columbia River Basin must provide proof of inspection from an authorized inspector before participation in the contest. Vessels and equipment traveling into the Flathead Basin that have been used on waters outside of the Flathead Basin must be inspected at a department inspection station prior to launching within the Flathead Basin. Fish entries will not be accepted from anglers fishing from un-certified boats. If during the event, a boat is taken out of the Flathead Basin, it is required to be re-inspected before re-entering the contest.
Your best defense is always WASH, CLEAN, AND DRY when moving your boat and trailer to any area, INCLUDING all equipment, lines, anchors, live wells, etc.

CSKT in collaboration with MFWP are operating mandatory watercraft inspection stations in Ravalli, MT and Plains, MT to prevent the spread of aquatic invasive species.

Additionally, inspections can be arranged with CSKT at 406 6th Ave E in Polson Monday through Thursday, 7 a.m. to 5 p.m. Appointments can be made by calling (406) 675-2700 ext. 7200 to arrange a watercraft inspection appointment.

Inspections can also be obtained at MFWP Kalispell Region 1 offices seven days a week from 8 a.m. to 4:30 p.m.

Thank you for your cooperation.

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