(a) All streams or other bodies of water which appear as black lines with accompanying waters index numbers on the reference maps herein, or which appear as blue continuous or dotted lines to indicate natural waters on the original published maps listed above, and which natural waters are not specifically designated in table I, shall be assigned the same classes and standards of quality and purity as the specifically designated waters to which they are directly tributary.

(b) All streams, rivulets, and other collections of natural surface waters within the portion of the St. Lawrence River drainage basin as above defined, which waters are not shown on the original published maps listed above, shall be assigned to class D with standards of quality and purity for class D assigned thereto, provided, however, that any continuous flowing natural stream which is not shown on the reference maps in section 910.9, infra, shall have the same classification and assigned standards as the waters to which it is directly tributary.

(c) Notwithstanding the items indicated in table I and the aforementioned special conditions statements which, in some instances, may indicate assignment of classifications for waters contained within the boundaries of the State-owned forest preserve lands and, therefore, controlled under the provisions of the State constitution and the Conservation Law, such waters are hereby excluded from classification to the extent that any part of such waters may be located within the boundaries of the State-owned forest preserve lands. All waters within 100 feet of the boundaries of the State-owned forest preserve lands shall be assigned to class A with standards of quality and purity for class A.