Introduction to Low Impact Development and Bioretention System Design
Wednesday, June 5, 2019, 11:00 AM – 1:00 PM CDT

   Conventional development concepts and storm water management philosophy 

   Adverse impacts associated with conventional development and storm water practices 

   What is LID? 

   What development and storm water issues can LID address? 

   How does LID address water quality and runoff volumes 

   Designing bioretention systems: What do you need to know and why is it important? 

   What site investigation is needed for the design of bioretention systems? 

   Designing bioretention systems 

   Construction and maintenance requirements for bioretention systems 

   Designing bioretention systems for storms greater than the water quality event 

LID Residential Development and Case Studies
Thursday, June 6, 2019, 11:00 AM – 1:00 PM CDT

   Assessment and evaluation of natural resources, 

   Environmental Site Design Strategies (ESD) 

   Applying ESD to projects 

   The benefits of implementing ESD in creating sustainable designs 

   Actual projects implementing LID strategies 

   Applying LID strategies to residential and commercial developments 

   LID design concepts for different types of development 

   Design computations necessary for a successful project 

   LID case studies  

Webinar Instructions

All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion can be downloaded in PDF form upon passing a short quiz. A link to the quiz will be sent to each qualifying attendee immediately after the webinar. The certificate can be downloaded from the Results page of the quiz upon scoring 80% or higher.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.


GoToWebinar App requirements: 
Windows 7 – 10 or Mac OSX 10.9 (Mavericks) – 10.13 (High Sierra)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection:
 Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information visit the Support section at


     4.0 PDHs

     4.0 HSW CE Hours

     4.0 HSW LUs

Continuing Education Credit Information

These live, interactive webinars are designed to qualify for continuing education credit for professional engineers and architects (HSW) in most states. Course participants need to be aware of any licensing restrictions on online learning to fulfill their continuing education requirements. See each webinar listing for the number of credits available.

HalfMoon Education Inc. is approved as a continuing education provider by the American Institute of Architects (No. J885). HalfMoon Education is an approved continuing education sponsor for engineers in Florida, Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700), New York (NYSED Sponsor No. 35), North Carolina, and North Dakota. HalfMoon Education is deemed an approved continuing education sponsor for New York architects.

The Industrial Stormwater seminar series has continuing education credit approval pending from the American Institute of Architects, the Landscape Architecture Continuing Education System, and the Association of State Floodplain Managers. Please confirm course approval prior to registering for these activities.

Participation and knowledge retention will be verified for these webinar events. Certificates of completion will be provided upon successful completion of the quiz at the end of each webinar, and earned LUs will be reported to the AIA/CES.


Steven Trinkaus, PE

Principal at Trinkaus Engineering, LLC, in Southbury, CT

Mr. Trinkaus is an internationally recognized expert in the field of low impact development, having presented at many ASCE/EWRI international conferences and many other regional conferences and workshops on LID and water quality issues. He has been an invited presenter and consultant in Taiwan, China, and South Korea. He has also presented on Sustainable Stormwater at the University of St. Andrews in Scotland. Mr. Trinkaus has written LID design manuals for the Towns of Tolland, Plainville, Harwinton, East Granby, and Morris, Connecticut. He has designed many types of LID treatment systems for a variety of residential and commercial applications. Mr. Trinkaus is chair of the EWRI LID Guidance Document Task Committee and primary author of the Committee’s national guidance document on adopting LID standards. Mr. Trinkaus is a licensed professional engineer in Connecticut and Maryland. He received a Bachelor of Science degree in Forest Management in 1980 from the University of New Hampshire. He has more than 38 years of experience in the land development field, more than 19 years of experience designing low impact development treatment systems, and six years of experience writing LID regulations and design manuals.

There are 2 Courses in This Seminar

LID Residential Development and Case Studies

LID Residential Development and Case Studies

June 6, 2019 Webinar Steven Trinkaus