Stormwater Management Seminar
DISCLAIMER
Before purchasing, review the rules of your licensing or certifying entity. It is your responsibility to confirm this course meets your CE requirements. See the credit tab on the course page for details.
What’s Included: Full webinar recording, written course materials, expert instruction, a mandatory quiz, and a certificate upon completion.
Deliverability Timeline: All courses are generally available within 1-2 weeks after the live presentation.
CE Credits: AIA and/or LA/CES accreditation is available by request for courses recorded prior to March 11, 2026. All courses after that date include those accreditations by default, if applicable. With these accreditations, our courses qualify for credit in nearly all states for engineers, surveyors, architects, and landscape architects.
Learn more about the on-demand format in our FAQ or contact us at (715) 835-5900 or customerservice@halfmoonseminars.org
Agenda
Registration: 8:00 – 8:30 am
Morning Session: 8:30 – 11:45 am
Lunch (On your own): 11:45 am – 12:45 pm
Afternoon Session: 12:45 – 5:00 pm
Understanding Stormwater Permit Requirements and Procedures
Background and development of national and state regulations and permit requirements
Activities exempt from construction general stormwater permit requirements
Complying with NPDES and the Maryland Department of the Environment
• Applying for Section 401 certification
• Special conditions for sensitive waters
• Review and permitting process
Implementing, monitoring and assessing SWPPPs
Understanding and Applying the Science of Stormwater
Hydrology, soil science and drainage
Identifying consequences of storm events
Stormwater modeling
Runoff reduction, routing and storage
Infiltration and percolation
Choosing Appropriate Stormwater Best Management Practices (BMPs)
Stormwater management planning
Sizing criteria
Green infrastructure practices
• Preservation of natural features and conservation design
• Reducing impervious cover
Green management techniques
• Conservation of natural areas
• Riparian buffers and filter strips
• Vegetated swales
• Disconnected runoff
• Stream daylighting
• Rain gardens
• Green roofs
• Stormwater planters
• Rain barrels/cisterns
• Porous pavement
• Proprietary practices
Developing Stormwater Pollution Prevention Plans (SWPPP)
Including required elements
Assessing building sites
Choosing best management practices (BMPs)
Planning for required inspection, maintenance and recordkeeping
Obtaining plan certification
Implementing SWPPPs
Developing Plans for Inspection, Monitoring,
Maintenance and Recordkeeping
Understanding the science and terminology of stormwater management and monitoring
Implementing monitoring plans
Reviewing stormwater BMP case studies
Credits
Professional Engineers
7.0 PDHs
Architects
7.0 HSW Learning Units/CE Hours
7.0 AIA HSW Learning Units
Landscape Architects
7.0 HSW PDHs
7.0 LA/CES HSW PDHs
Floodplain Managers
7.0 ASFPM CECs
Continuing Education Credit Information
This seminar is open to the public and offers 7.0 PDHs to professional engineers, 7.0 HSW learning units/continuing education hours to architects, and 7.0 HSW PDHs to landscape architects in most states, including Maryland.
The Maryland Board for Professional Engineers has approved HalfMoon Education as a CPC provider.
This seminar is approved by the American Institute of Architects for 7.0 HSW Learning Units (Sponsor No. J885). Courses approved by the American Institute of Architects are considered approved for Maryland architects.
This activity offers 7.0 HSW PDHs to Maryland landscape architects. This course is deemed acceptable, as it has been approved by the Landscape Architecture Continuing Education System for 7.0 HSW PDHs. Only full attendance can be reported to the AIA/CES and the LA/CES.
The New York State Education Department recognizes continuing education providers approved by the American Institute of Architects Continuing Education System and/or the Landscape Architecture Continuing Education System. Courses in approved subject areas are considered approved New York State mandatory continuing education for engineers.
HalfMoon Education is an approved continuing education sponsor for engineers in Florida, Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700), North Carolina, and North Dakota. HalfMoon Education is an approved Florida architect continuing education provider and is deemed an approved continuing education sponsor for New York architects and landscape architects.
The Association of State Floodplain Managers has approved this event for 7.0 CECs.
Speakers
Steven Trinkaus, PE
Principal at Trinkaus Engineering, LLC, in Southbury, CTMr. Trinkaus is an internationally-recognized expert in the field of low impact development (LID), having presented at many American Society of Civil Engineers/Environmental & Water Resource Institute (ASCE/EWRI) international conferences and many other regional conferences and workshops on LID and water quality issues. He was invited by the Water Resources Agency in Taichung, Taiwan, to present a 12-hour workshop on LID in December of 2011. Mr. Trinkaus has been an invited presenter and consultant multiple times on stormwater and LID in China and South Korea since 2013. He has designed LID retrofits in Zhenjiang, China. Mr. Trinkaus has reviewed and edited LID reports by Pusan National University and Land & Housing Institute in South Korea. Mr. Trinkaus has written LID design manuals for the towns of Tolland, Plainville, Harwinton, Morris, and East Granby, Connecticut. He has designed many types of LID treatment systems for a variety of residential and commercial applications. Mr. Trinkaus is primary author of the EWRI Filter Strip/Bioswales Task Committee. 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. Mr. Trinkaus has more than 39 years of experience in the land development field and more than 19 years of experience designing low impact development treatment systems and 10 years writing LID regulations and design manuals.
