(1) The Clark Fork River is closed to use for any motor-propelled watercraft in the following areas:

(a) in Deer Lodge County;

(i) the Clark Fork River and tributaries from their headwaters to the Powell County line;

(b) in Granite County;

(i) the Clark Fork River and tributaries from Powell County line to Missoula County line;

(c) in Mineral County;

(i) the Clark Fork River from St. John's fishing access site to the mouth of Fish Creek, also known as the Alberton Gorge Whitewater section;

(d) in Missoula County;

(i) the Clark Fork River and tributaries from the Granite County line to the Milwaukee Bridge abutments on Milltown Reservoir;

(ii) the Clark Fork River from the north side of the Interstate Bridge nearest East Missoula to the Fish, Wildlife and Parks fishing access site and boat ramp located off Spurgin Road and Kelly Island, from July 1 through September 30; and

(e) in Powell County;

(i) the Clark Fork River and tributaries from Deer Lodge County line to the Granite County line.