New Jersey Statutes Title 58. Waters and Water Supply 58 § 11A-4

a. The Governor may designate such areas as he may deem appropriate as areawide waste treatment management planning areas pursuant to the provisions of section 208 of the Federal Act.  1 Said designation should to the maximum extent practicable conform to county boundaries, with appropriate modifications made to take account of the major watersheds, as for example by including the south branch of the Raritan in a Hunterdon county designation and the north branch of the Raritan in a Somerset county designation. The existing designation of certain planning areas is hereby confirmed. The Governor may also amend the boundaries contained in any of the designated or nondesignated planning areas at any time after the effective date of this act pursuant to the procedures required by the Federal Act after he reviews the existing boundaries of the counties, the sewerage treatment agencies and the river basins and subbasins located in that area. The Governor shall take whatever additional steps are required to implement this section.

b. The Governor shall designate, where practicable and appropriate and wherever the county conforms to the applicable requirements of the Federal Act or regulations promulgated pursuant thereto, the county board of chosen freeholders as the designated areawide planning agency in accordance with section 208 of the Federal Act. The existing designation of certain areawide planning agencies for certain planning areas is hereby confirmed.