Thursday, December 31, 2020Municipal Separate Storm Sewer System NPDES Permit No. DC0000221 2020 MS4 Annual Report StoryMap 2019 MS4 Annual Report StoryMap 2017 MS4 Annual Report Story Map Attachment(s): O&M Plan Status Report 2020 MS4 Annual Report 2020 MS4 Annual Report Attachments District of Columbia MS4 Administrative Order on Consent Annual Program Report – year 1 2019 MS4 Annual Report 2019 MS4 Annual Report- Attachment 4 2017 MS4 Annual Report 2017 MS4 Annual Report Attachments 2016 MS4 Annual Report 2015 Annual Report 2015 Annual Report Attachments 2016 Revised Stormwater Management Plan 2016 Revised Stormwater Management Plan Attachments 2014 MS4 Annual Report Addendum – Trash Monitoring The 2014 Annual Report The 2014 Annual Report Appendix 2013 Discharge Monitoring Report – Annual Report Addendum 2013 Discharge Monitoring Report – Appendices 2013 MS4 Annual Report 2012 MS4 Annual Report 2012 MS4 Annual Report - Appendices 2011 MS4 Annual Report 2010 MS4 Annual Report 2009 MS4 Annual Report 2008 MS4 Annual Report 2007 MS4 Annual Report 2006 MS4 Annual Report 2005 MS4 Annual Report 2004 MS4 Annual Report 2003 MS4 Annual Report 2002 MS4 Annual Report 2011 - Discharge Monitoring Report 2010 - Discharge Monitoring Report 2009 - Discharge Monitoring Report 2007 - Discharge Monitoring Report 2007 - Discharge Monitoring Report (addendum) 2006 - Discharge Monitoring Report 2005 - Discharge Monitoring Report 2004 - Discharge Monitoring Report 2003 - Discharge Monitoring Report 2002 - Discharge Monitoring Report
