New EPA NPDES Remediation General Permit (RGP) for MA and NH

April 3rd, 2017

The 2017 National Pollutant Discharge Elimination System (NPDES) Remediation General Permit (RGP)for USEPA Region 1 (MA & NH) will become effective April 8, 2017.   Operators seeking authorization to discharge must submit a completed Notice of Intent (NOI) in accordance with Appendix IV – Part 1 of the RGP as follows: 

  • For existing discharges, no later than 90 days after the effective date of the RGP (by Friday July 7, 2017) 
  • For emergency discharges, no later than 14 days after the discharges commence 
  • For new discharges, at least 7 days before discharges commence 

EPA will issue a written authorization for all discharges, indicating the effective start date.  Verbal approval for emergency discharges conducted prior to the receipt of a written authorization from EPA is also required. 

Additional information about the RGP and related forms can be found at