1. It is recognized by the signatory states that, where tidal waters are used for such varied purposes as bathing, navigation, shellfish culture, the development of fish life and the disposal of wastes, no single standard of purity is practicable in all parts of the district. In order to attain the objects of this compact, the commission, after proper study and after conducting public hearings upon due notice, shall group the designated waters of the district into classes. Where local conditions shall have changed in the future to such an extent that changes in classification become necessary the commission may, after conducting public hearings upon due notice, adopt such changes.

Two general classifications shall be used:

(1) Class “A” , in which the designated water areas are expected to be used primarily for recreational purposes, shellfish culture or the development of fish life.

(2) Class “B” , in which the designated water areas are not expected to be used primarily for recreational purposes, shellfish culture or the development of fish life.