IECA Canada | New CSA Standard – Construction of Bioretention Systems – is Now Posted for Public Review
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New CSA Standard – Construction of Bioretention Systems – is Now Posted for Public Review

CSA is now seeking public review on thier drafted standard W201, Construction of Bioretention Systems


Dear stakeholders,

I wish to inform you that a new standard CSA W201, Construction of Bioretention Systems is now posted for public review. The draft is posted at a 60-day period ending on April 23, 2018.

This standard covers requirements and guidance regarding the Construction of Bioretention Systems intended for the protection of downstream and surrounding water quality and for flood mitigation.  Key areas covered include roles and responsibilities, materials and materials handling, erosion and sediment control, installation considerations, sequencing, landscape considerations and documentation.

Please note another standard, W200 Design of Bioretention Systems will be available for Public Review later in March 2018.

Important notes

  • All comments must be formally submitted through the CSA Draft Review site by midnight Eastern time on the closing date.
  • Comments will not be accepted through other formats (e.g., emails, comment sheets) or after the public review closing date.
  • Anyone wishing to submit comments must register for a free account on the CSA Draft Review site.
  • Although editorial comments are welcome, please do not submit comments about spacing or formatting, as this will get a comprehensive review once the document is updated in CSA’s publishing software after public review.

Feel free to share this notice within your networks. Should you experience any issues reading the draft, submitting comments, or have any general questions, please let me know.

Best regards,

Lynn Barber


Lynn Barber, B.Sc.(eng), M.Sc.

Project Manager, Natural Resources

CSA Group

ISO International Secretary

178 Rexdale Boulevard

Toronto, ON, M9W 1R3

416 747 2320 

416 401 6728