Record Keeping

Permittees are required to maintain for a minimum of three years all records required to be generated or kept by any permit.  This includes all records from wastewater control and measuring devices, and all records pertaining to sampling and analysis of the permittee's discharges to the MWRA Sewerage System.

A permittee with the General Permit must keep for at least five years all hazardous waste manifests and records of any Photo Processing and Printing wastes and grease trap wastes it had hauled from its facility and make a copy of the documents available to MWRA upon request.