(1) The Blackfoot River is limited to a controlled no wake speed, as defined in ARM 12.11.101(1) in the following areas:

(a) in Missoula County downstream from the Stimson Lumber Company chainlink fence, as posted, to and including the Milltown Reservoir, then upstream on the Clark Fork River to the old Milwaukee Railroad Bridge pilings.

(2) The Blackfoot River is closed to use for any motor-propelled watercraft in the following areas:

(a) in Lewis and Clark County, the Blackfoot River and tributaries from their headwaters to the Powell County line;

(b) in Missoula County, the Blackfoot River and its tributaries from Missoula County line to the Stimson Lumber Mill Dam at Bonner; and

(c) in Powell County, the Blackfoot River and tributaries from the Lewis and Clark County line to the Missoula County line.