N.J. Stat. § 58:10A-10.10
Whenever the commissioner finds that effluent limitations under a discharge permit, issued pursuant to P.L. 1977, c.74 (C.58:10A-1 et seq.), are being exceeded by a county or municipal utilities authority organized pursuant to P.L. 1957, c.183 (C.40:14B-1 et seq.), which provides disposal or discharge but not treatment of the effluent of one or more municipal treatment works, and the commissioner further finds that the violation of the effluent limitation is caused by effluents discharged by one or more municipal treatment works into the disposal facilities of the county or municipal utilities authority, the commissioner shall, in accordance with the provisions of subsection a. of section 10 of P.L. 1977, c.74 (C.58:10A-10), issue an order for compliance to, or take such other action authorized thereunder against, the owner or operator of the municipal treatment works determined to be discharging pollutants into the utilities authority's facilities in violation of the discharge permit limitations of the municipal treatment works. The commissioner shall prescribe uniform sampling and reporting requirements for the county or municipal utilities authority and each of the municipal treatment works discharging effluents into the disposal facilities of the authority for the purpose of determining the source and extent of violation of permit requirements.
N.J.S. § 58:10A-10.10