Annual Reports

As a requirement of NPDES MS4 Permit, the City is required to submit Annual Reports. 

Permit Year 6 Annual Report: July 1, 2023 to June 30, 2024 

• Mystic Phosphorus Source Identification Report Year 6 Updates 
• Illicit Discharge Removal Report Year 6
• IDDE Investigation Progress Report Year 6 
• Charles River Phosphorus Control Plan Year 6 Performance Evaluation

Permit Year 5 Annual Report: July 1, 2022 to June 30, 2023

• Mystic Phosphorus Source Identification Report Year 5 Updates
• Illicit Discharge Removal Report Year 5
• IDDE Investigation Progress Report Year 5
• Charles River Phosphorus Control Plan

Annual Report: July 1, 2021 to June 30, 2022

• Street Design, Parking Lot and Low Impact Development Review
• Phosphorous Source Identification Report and BMP Suitability Analysis
• Catchment investigations: SDE Summary for Year 4
• Illicit Discharge Removal Report

Annual Report: July 1, 2020 to June 30, 2021

• Funding Source Assessment
• Screening of Outfalls/Interconnections
• Catchment Investigations:
  • Catchment investigations: SDE Summary for Year 3
  • System Vulnerability Factors
  • D36 Alewife Stormwater Wetland (October 25, 2017 report and February 23, 2016 report)
  • D17 Western Ave (as-built drawings April 6, 2018)
  • D10 Endicott St and D12 Talbot St (June 15, 2021)
• Illicit Discharge Removal Report
• Monitoring or Study Results
  
  • Dynamic stormwater management to mitigate phosphorous export

Annual Report: July 1, 2019 to June 30, 2020

• Phosphorous Tracking Form
• Stormwater Pollution Prevention Plans (SWPPPs)
  • Water Department Facilities
  • Police Department Maintenance Facility
  • Fire Department Maintenance Facility
  • Alewife Staging Area
  • Cemetery Garage and Staging Area
  • Cambridge Rindge & Latin School Garage
• Catchment Investigation Data
• IDDE Summary Report
• Characterizing the Variability of Phosphorous Export from Urban Stormwater for Potential Treatment Strategies (2018 - 2019 Sampling results)
• EPA Inspection Report 10.29.19
EPA Inspection Report 11.20.19
• Phosphorous Control Plan: Legal Analysis & Funding Source assessment
• Inventory of City Owned Facilities
• Inventory of City Owned Vehicles & Equipment

Annual Report: April 1, 2018 to June 30, 2019

• SSO Inventory
• Cambridge SWMP Presentation: Sept 27, 2018
• City Council Health & Env Committee Meeting Notes: Sept 27, 2018
• Stormwater Display
• Outfall Screening
• Phosphorous Loading and Sampling Analysis