(a) Pursuant to article 12 of the Public Health Law, the Water Resources Commission, after proper study and following public hearings conducted by the commission, held on due notice, hereby adopts and assigns the following classifications and standards of quality and purity to all surface waters within the Housatonic River drainage basin, as hereinafter defined. Said drainage basin includes all land and surface water areas of the Housatonic River drainage basin within New York State.

(b) This adoption and assignment of standards of quality and purity to the above designated waters shall be effective September 22, 1965.