Be Part of Canada’s Premier Stormwater
and Erosion and Sediment Control Conference


(Early bird pricing in effect until February 10, 2023)



Pre-conference Training March 21, 2023 8:30 a.m. to 4:00 p.m.
Conference Day 1 March 22, 2023 8:00 a.m. to 4:30 p.m. – Presentations
8:00 a.m. to 8:00 p.m. – Trade show
4:30 p.m. to 8:00 p.m. – Networking reception
Conference Day 2 March 23, 2023 8:00 a.m. to 4:00 p.m. – Presentations
8:00 a.m. to 3:00 p.m. – Trade show

Conference Passes: Details


Full admission to days 1 and 2 of the Source to Stream Conference, including all presentations, lunch, refreshments and the networking reception.
Early Bird Rate: (Available until Feb. 10, 2023) $395
Regular Rate: $495
Public Sector, Sponsor/Exhibitor or Student Rate*: $250


Full admission to either day 1 or 2 of the Source to Stream Conference, including all presentations, lunch and refreshments. The Conference Pass for day 1 also includes access to the networking reception.
Early Bird Rate: (Available until Feb. 10, 2023) $225
Regular Rate: $250
Public Sector, Sponsor/Exhibitor or Student Rate*: $125


Trade Show Pass (Day 1): $115
Admission to the Source to Stream trade show for day 1, including admission to the networking reception.

Trade Show Pass + Lunch (Day 1): $165
Admission to the Source to Stream trade show and lunch during day 1, including admission to the networking reception.

Trade Show Pass (Day 2): $85
Admission to the Source to Stream trade show for day 2.

Trade Show Pass + Lunch (Day 2): $135
Admission to the Source to Stream trade show and lunch during day 2.

Networking Reception Pass: $35
Admission to the Source to Stream Networking Reception, held on day 1, from 4:30 to 8:00 p.m.

*If eligible, please contact TRCA events at to receive your discount code BEFORE purchasing passes.

Pre-conference Training: Details
March 21, 2023

Registration in either of the full-day courses offered includes continental breakfast, lunch and morning and afternoon break refreshments.


Regular Rate: $325
Public Sector Rate*: $275

Design of Underground Infiltration Practices

Date and Time: March 21, 2023, 8:30 a.m. to 4:00 p.m.
Location: Pearson Convention Centre, 2638 Steeles Ave. E, Brampton, ON

Underground infiltration practices are low impact development measures designed to treat stormwater runoff by conveying it into underground infrastructure that promotes infiltration. Common configurations include soakaways, infiltration trenches, infiltration chambers, and exfiltration / perforated pipe systems.

Water quality improvements for most infiltration practices come largely from runoff reduction, so understanding and optimizing the infiltration capacity is key to designing and modeling a high performing installation.

Topics addressed in this course will include:

  1. Key concepts of infiltration, storage and how to optimize infiltration performance
  2. Comparison of different methods of measuring the design infiltration rate and discussion of advantages and disadvantages of key methods
  3. Planning and siting considerations (screening design options, sizing to meet hydrologic and water quality objectives, site constraints, materials specifications)
  4. Maintenance-friendly design options for pretreatment, inlets, outlets and flow control structures
  5. Designing systems with future inspections and maintenance in mind

Some common questions that we will address during this course are:

  • For a given storage volume, is a deep practice better than a shallow one?
  • Are there benefits to designing narrow practices rather than broader areal practices?
  • Is the exfiltration to native soil significant over the duration of a design storm?
  • What is the difference between drawdown and draindown and how can I model these processes for design or review?

This course is suitable for stormwater and hydrogeology professionals interested in expanding their understanding related to planning, design, and review of underground infiltration projects.

Information shared during the course will also be applied through activities designed to solve design challenges that are often encountered in these project sites. In order to fully participate in activities during this course, participants are asked to bring a laptop.

Upon completion of the course participants will be able to:

  • Understand how to design an underground infiltration system to optimize infiltration performance
  • Understand different key concepts of determining accurate design infiltration rate
  • Assess the efficacy of different configurations (e.g. deeper vs. broader areal practices) and how to determine what is appropriate based on site conditions
  • Evaluate if the exfiltration to native soil is significant during a design storm duration
  • Model the drawdown time of a practice for design or review
  • Assess the impact of exfiltration from a stormwater practice on the local water table
  • Understand design measures that can address unacceptable groundwater mounding
  • How to use STEP-created and external tools to support design considerations of various LID BMPs/configurations


Daniel Filippi

Daniel Filippi
Daniel Filippi is a Research Scientist with TRCA’s Sustainable Technologies Evaluation Program (STEP). He has developed several flood and climate change-related training programs/courses educating homeowners, government staff, and ICI/MUR property owners on the importance of adopting appropriate stormwater management BMPs, proper implementation and maintenance of Low Impact Development (LID) features and how to access available funding for these adaptive measures.

Most recently, he helped develop a new standard on flood resilient design of new residential communities (CSA W204:19) for Canada and is a primary author of the new “LID Stormwater Management Planning and Design Guide” that is updating the original 2010 version into an accessible, interactive wiki-site for practitioners.

He holds a BSc. in Environmental Science from the University of Guelph and a MSc. in Biophysical Interactions in Terrestrial and Aquatic Systems from the University of Toronto.

Rohan Hakimi
Rohan Hakimi is a water resource engineer on the Integrated Watershed Management team at Credit Valley Conservation (CVC). Rohan has led CVC’s smart blue roof project and project managed STEP’s municipal partner support services for green infrastructure implementation, operation, and maintenance.

Prior to his time at CVC, Rohan worked abroad in irrigation and water management. He has nearly 10 years’ experience in research, design, construction, inspection and project management in a variety of water, wastewater and stormwater projects. He is involved in leading edge projects with municipal LID implementation programs, including design review, construction inspection and operation and maintenance.

He holds a Bachelor of Engineering in Environmental Engineering and a Master’s of Applied Science in Environmental Engineering from the University of Guelph in Ontario.

Bill Trenouth

Bill Trenouth
Bill Trenouth is the water resources engineering team leader in AECOM’s London office.

With more than 13 years of industry experience in the water resources sector, Bill has worked extensively on projects related to low impact development (LID) planning and design, hydrologic and hydraulic modeling, LID performance testing and maintenance, Class Environmental Assessments, infrastructure design and channel restoration, stormwater management facility (SWMF) inspections and maintenance, SWMF cleanout tendering, contract administration and construction management, and real-time water quality monitoring.

Bill is also an AECOM-certified project manager, and serves as a Lead Verifier for green infrastructure design within AECOM’s Technical Practice Network.

With a Ph.D. in Water Resources Engineering, Bill also brings a wealth of experience regarding water quality monitoring, biofiltration using soil amendments, stormwater pollutant and nutrient removal, and the design of low-impact approaches to managing drainage from large (400-series) highways in salt-vulnerable areas.

Innovative Stormwater Management Strategies

Date and Time: March 21, 2023, 8:30 a.m. to 4:00 p.m.
Location: Pearson Convention Centre, 2638 Steeles Ave. E, Brampton, ON

Laboratory and field research in Minnesota over the last 20 years has endeavored to develop innovative strategies to overcome many challenges facing stormwater practitioners. These challenges include reducing phosphate, improving infiltration, climate change, assessment of performance and selecting and scheduling the most appropriate maintenance for stormwater treatment practices.

This workshop will cover design and field implementation strategies to overcome these challenges through:

  • Better biofilter media design (reduce phosphate release and increase plant growth) and bioretention pre-treatment practices (capture sediment and gross solids with easy maintenance)
  • Mitigating release of phosphate from stormwater ponds
  • Using iron enhanced sand to capture phosphate
  • Adapting stormwater infrastructure for climate change impacts (comparing stormwater ponds, smart ponds, green infrastructure, underground storage, and more)
  • Improving site selection criteria for infiltration basins (reduce failed installations)
  • Methods for assessing (inspections and field testing) and scheduling the proper maintenance for stormwater treatment practices

Stormwater professionals such as consultants, municipalities, regulators, and other decision makers can use these tools to evolve our urban stormwater treatment systems into effective and efficient management strategies to reduce impacts to valuable water resources.

Following the presentation, participants will be able to:

  • Discuss the advantages and challenges of biofilter media design
  • Debate the merits and drawbacks of stormwater ponds
  • Explain the use of iron enhanced sand filtration for removing phosphate
  • Compare and contrast different methods for adapting stormwater infrastructure for climate change
  • Discuss and select between different types of pretreatment practices for bioretention practices
  • Describe tools available for improving site selection of infiltration basins
  • Plan, prepare, and conduct visual inspection, field testing, and maintenance selection for stormwater treatment practices


Andy Erickson

Andy Erickson
Andy Erickson, PhD, PE, is a Research Manager at St. Anthony Falls Laboratory and the University of Minnesota and registered professional engineer in Minnesota. Dr. Erickson’s research pursues an understanding of water quality in urban and agricultural watersheds, assessment and maintenance of stormwater treatment practices, and developing new stormwater treatment technologies such as the Iron-Enhanced Sand Filter.

Dr. Erickson is lead author for the book, “Optimizing Stormwater Treatment Practices: A Handbook of Assessment and Maintenance,” and the editor of the University of Minnesota stormwater newsletter, UPDATES to approximately 1900 email subscribers, and leads the Minnesota Stormwater Seminar Series for approximately 170 stormwater practitioners per month.

Dr. Erickson has given over 230 presentations, over 30 invited guest lectures, and over 40 one- and two-day professional trainings and workshops. Dr. Erickson is the Vice Chair of the ASTM international E64 Committee on Stormwater Control Measures and a member of the Water Environment Federation Stormwater Institute Advisory Board.