Consulting May 2, 2018 Engineers and Project 1610515 Scientists Via E-mail:
[email protected] Ms. Shauna Little Physical Scientist USEPA New England 5 Post Office Square, Suite 100 Mail Code OEP06-1 Boston, MA 02109-3912 Dear Ms. Little: Re: Notice of Intent NPDES Remediation General Permit for Valley Road Wetland West Roxbury Needham Reliability Project NStar Electric Company d/b/a Eversource Energy Needham, Massachusetts On behalf of NStar Electric Company d/b/a Eversource Energy (Eversource), GEI Consultants, Inc. has prepared this Notice of Intent (NOI) for coverage under the National Pollutant Discharge Elimination System (NPDES) Remediation General Permit (RGP), Massachusetts General Permit (MAG910000). This NOI was prepared in accordance with the general requirements of the NPDES RGP under Federal Register, Vol. 82, No. 12, dated January 19, 2017, and related guidance documentation provided by the U.S. Environmental Protection Agency (EPA). The completed NOI forms for a discharge up to 200 gpm is provided in Appendix A. Once EPA issues an RGP authorization for this project, and before the start of work, we will apply for a Town of Needham Department of Public Works (DPW) Street Occupancy Permit. Site Information This NOI has been prepared for the discharge of dewatering effluent during construction of the underground portion of the Eversource West Roxbury to Needham Reliability Project (WRNRP). The WRNRP is being constructed through West Roxbury, Dedham, and Needham, Massachusetts (Fig. 1). The Needham portion of WRNRP consists of construction of a new 2.5-miles-long underground electric transmission line in Needham, Massachusetts (the Project Area).