Annual Reports for the National Pollutant Discharge Elimination System (NPDES)

Massachusetts Small MS4 General Permit
US EPA Logo NPDES
US EPA Logo (NPDES)

What is NPDES?  [according to the United States Environmental Protection Agency (USEPA)]
The National Pollutant Discharge Elimination System (NPDES) permit program addresses water pollution by regulating point sources that discharge pollutants to waters of the United States.

Created in 1972 by the Clean Water Act, the NPDES permit program is authorized to state governments by EPA to perform many permitting, administrative, and enforcement aspects of the program.

What is "Small MS4?"  Municipal Separate Storm Sewer System since there is an "M" and four "S's."  "Small" indicates smaller communities like Lynnfield.  

The Town of Lynnfield's Annual Reports (as PDF's) are downloadable below.
Reporting periods are from July 1 of one year to June 30 of the following year.