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Choose which time works best for you on Thursday, March 25th!

Click here to register  for 11am EST webinar Click here to register  for 2pm EST webinar

Please join Contech Engineered Solutions for Part 1 of our High-Flow Bioretention Webinar Series, "The Advancement of Bioretention in Stormwater Treatment" a FREE 1-hour webinar. Seating is limited, so be sure to register now.  

Participants Earn One Professional Development Hour.*


From California to Maryland, high-flow bioretention continues to gain acceptance within the regulatory and engineering community as an acceptable alternative to traditional bioretention. This webinar will take a deep look at key design and installation characteristics and water quality performance results driving this trend.


  • Pollution removal capabilities of high-flow vs. low-flow bioretention
  • How the Filterra high-flow bioretention system works
  • Operation and maintenance guidelines  
  • How to incorporate high-flow bioretention into LID designs

*Please check with your governing board to confirm this method of education meets registration requirements.




Alex MacLeod P.E. - Director of Stormwater Engineering and Biofiltration Product Management 

Alex is the Director of Stormwater Engineering and Biofiltration Product Management at Contech. He has worked in the stormwater industry for over 12 years as a Product Design Engineer, Engineering Manager, and Product Manager. Alex drove a successful integration of the Filterra into Contech's product portfolio and led the development and launch of the Filterra Bioscape product. He is a licensed Professional Engineer in the state of Maryland, and has a B. S. in Biological Resources Engineering from the University of Maryland.


Vaikko Allen - National Regulatory Director

Vaikko Allen is the National Regulatory Director at Contech. Throughout his years of stormwater management experience, he has worked with regulatory and research groups charged with evaluating pollutant removal and operational performance of structural treatment systems.




Tamara Mamon- Stormwater Consultant North LA

Tamara Mamon, EIT, is the Stormwater Consultant for North Los Angeles, California. Tamara provides technical design guidance and expertise for Contech’s stormwater solutions for design engineers and regulatory agencies. She has been with Contech since July 2017 after graduating from Purdue University with a Master’s Degree in Engineering Management, specializing in Industrial Engineering, and an undergraduate degree Agricultural and Biological Engineering with a minor in Environmental and Ecological Engineering.