Guelph, ON Canada
Jul 29 - 30, 2020

Low Impact Development (LID) is a term that incorporates green infrastructure and sustainable urban drainage design concepts to capture, store, evaporate, infiltrate, or reuse excess stormwater runoff before it is discharged into the municipal stormwater management system. LID is becoming an increasingly popular alternative to traditional “end of pipe” solutions. It has become an integral part of new development designs and retrofits and is easily coordinated with other environmental stewardship initiatives adopted by municipalities. Modeling LIDs provides insight into the processes within a proposed LID, allowing for design optimization and “what-if” comparisons.

This specialized PCSWMM and EPA SWMM5 workshop focuses on getting both new and experienced modelers familiarized with the LID modelling capabilities within EPA SWMM5 and PCSWMM as well as the processes and considerations essential for LID modeling. The lectures focus specifically on:

  • The various hydrologic, hydraulic, and quality processes and input parameters that account for the excess runoff that is captured and treated by LID facilities;
  • LID analysis and design methodologies and how they differ from traditional stormwater management facilities (i.e., grey infrastructure such as pipes and ponds);
  • Tools within PCSWMM that can improve the design and performance assessment of proposed/existing LID facilities; and
  • Analysis and design considerations for facilities that cannot be accurately modeled using the LID module within EPA SWMM5 (e.g., infiltration galleries and rainwater harvesting systems).

Participants will develop the necessary skills and confidence to apply the official EPA SWMM5 hydrology/hydraulics engine effectively in an LID modeling capacity. PCSWMM will be used throughout the workshop to improve the user experience and to enhance the understanding of the underlying EPA SWMM5 processes.

The first day of this 2-day workshop is intended to get novice users up-to-speed with EPA SWMM5 and the PCSWMM interface, and the second day focuses specifically on LID modeling. You can attend the full 2-day workshop (for beginner and intermediate PCSWMM users) or just the focussed workshop on Day 2 (recommended for experienced PCSWMM users or those who have attended the regular 2-day workshop within the last year).

You will receive full workshop details, including venue information, two weeks prior to the workshop. If you have any questions or comments, please contact our workshop coordinator.


Register before July 3, 2020 to receive the early bird discount.


Earn 1.5 CEUs for participating in the regular 2 day workshop. Earn 0.75 CEUs for participating in the advanced 1 day workshop.




Workshop Fees

What We Provide

What to Bring


Please note that a minimum number of registrations are needed by July 15, 2020 for the workshop to proceed. Please register early to avoid cancellation.

Registration is closed – for current workshop dates please click here.
If you have any questions, please email info@chiwater.com, or call us at 1-519-767-0197 or 1-888-972-7966.