(1) In Broadwater County the Missouri River is closed to all swimming, boating, sailing and floating in the following areas:

(a) between Toston dam and 300 feet downstream of the dam; and

(b) the reservoir between the Toston dam and the boat barrier.

(2) The following areas of the Missouri River are closed to use of any motor-propelled watercraft:

(a) in Cascade County;

(i) that portion of the Missouri River from the Burlington Northern Railway Bridge No. 119.4 at Broadwater Bay in Great Falls to Black Eagle; and

(ii) that portion of the Missouri River from the Warden Bridge on 10th Avenue South in Great Falls to the floater take-out facility constructed near Oddfellows Park at Broadwater Bay as posted.