NPDES Permits in New England
Regulated Communities in Massachusetts
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Community-Specific Information
Click On:
- "Permit" to view the 2010 Small MS4 Permit applicable to the Operator in PDF format
- "305(b)/303(d) Map" to view a community-specific map showing the geographic extent of permit coverage and the surface water quality status in PDF format
- "305(b)/303(d) Stats" to view community-specific statistics of surface water quality status
- "IC Map" to view a community-specific map showing the geographic extent of permit coverage and impervious area (IA) in PDF format
- "IC Stats" to view community-specific statistics of impervious area (IA) and Directly Connected Impervious Area (DCIA) in Excel format
- "NOI" to view an Operator's NOI (once available) in PDF format
- "Reports" to view an Operator's annual reports (once available) in PDF format
* Information in grey-scale not yet available
Traditional MS4s
- Comprehensive 305(b)/303(d) Statistics (PDF) (468 pp, 3.1MB)
View a comprehensive list of surface water quality status for all regulated communities - Comprehensive IC Statistics (Excel) (14.8MB)
View a comprehensive list of impervious area (IA) and Directly Connected Impervious Area (DCIA) statistics for all regulated communities
You may also request copies of these documents by contacting Glenda Velez (velez.glenda@epa.gov or 617.918.1677).

