Webinar instructions will be emailed before the date of the webinar.

Please log into the webinar 15 – 30 minutes before start time.

Tuesday, December 14, 2021
9:00 am – 4:30 pm CST (incl. a 30-min break)


Presented by:
B. Scott Southall
Denise O’Meara

Stormwater Management System Objectives and Design Considerations
Regulatory requirements associated with stormwater water quality and quantity
• Clean Water Act
• Federal, state and local requirements
Complying with stormwater regulations
Preparing a Stormwater Quality Management Plan (SWQMP)
• Stormwater goals
• Design considerations

Stormwater Basin/Underground System Design
Site consideration and assessment
Selection criteria
• Site considerations
• Watershed and topographical considerations
• Stormwater contents
• Community and environmental factors

Choosing Basin Types
Detention basins
• Stormwater routing, sediment handling, outlet
• Pre-treatment
• Maintenance and operations
Retention ponds
• Stormwater routing, sediment handling, soils and vegetation
• Pre-treatment
• Maintenance and operations
Forebay infiltration basins
• Stormwater routing, sediment and chemical handlings, soils and vegetation
• Pre-treatment
• Maintenance and operations

Choosing an Underground Storage System
Detention/infiltration systems
• Type of storage – chambers, stone, custom design
• Pre-treatment
• Stormwater routing, infiltration, sizing, design criteria

Sustainable Best Practices in Stormwater Detention/Retention
Green infrastructure practices
Naturalizing detention/retention basins
Small detention areas vs. large detention area
Rain gardens
Underground storage and water reuse options


 Webinar Instructions

Each webinar session earns continuing education credit and can be registered for individually. 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 Mavericks (10.9) – macOS Catalina (10.15)

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


Professional Engineers:
6.5 PDHs

6.5 HSW CE Hours

AIA:    (AIA credits only available for attending live Webinar)
6.5 LU|HSW

Landscape Architects:
6.5 HSW CE Hours

LA CES:    (LA CES credits only available for attending live Webinar)
6.5 HSW PDHs

Floodplain Managers:

International Code Council:
.65 CEUs (Sitework)


Continuing Education Credit Information

Stormwater Basins and Underground Systems
This webinar is open to the public and offers 6.5 PDHs to professional engineers and 6.5 HSW continuing education hours to architects in all states. It offers 6.5 HSW continuing education hours to landscape architects in most states. HalfMoon Education is not seeking landscape architect approval in Florida, New Jersey, or North Carolina.

HalfMoon Education is an approved continuing education sponsor for engineers in Florida (Provider No. 0004647), Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700) and North Carolina (S-0130). HalfMoon Education is deemed an approved continuing education sponsor for New York engineers, architects and landscape architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2), §69.6(i)(2) and §79-1.5(i) (2)). Other states do not preapprove continuing education providers or courses.

The American Institute of Architects Continuing Education System has approved this course for 6.5 LU|HSW (Sponsor No. J885). Only full participation is reportable to the AIA/CES.

The Landscape Architecture Continuing Education System has approved this course for 6.5 HSW PDHs. Only full participation is reportable to the LA CES.

The International Code Council has approved this event for .65 CEUs in the specialty area of Sitework (Preferred Provider No. 1232).

The Association of State Floodplain Managers has approved this event for 6.5 CECs for Certified Floodplain Managers. ASFPM approval qualifies this course for Texas floodplain managers.

Completion certificates will be awarded to participants who complete this event online, respond to all prompts, and earn a passing score (80%) on the quiz that follows the presentation (multiple attempts allowed).



Landscape Architect at Earthcycle Design
Ms. O’Meara, RLA, LEED AP, ASLA, has extensive project experience in a variety of sectors, including general master planning, strategic planning, parks and recreational design for municipal and state government entities, K-12 and post-secondary educational institution and hospital master planning and site design, nature-based learning and play environments, and sustainable stormwater management. She brought the concept of sustainable building and site design through LEED accreditation early on to her firm. As a teacher and mentor, she has sought to give clients and up-and-coming designers a knowledge base and affinity for designing in a manner responsive to natural systems. Ms. O’Meara has a deep understanding that conservation of green space is a requirement for stormwater management, which is made possible through sustainable planning for livability within our population centers. She has written educational and informative articles and guides about the processes of land protection, and she has researched and put into practice those BMPs and conservation tools which benefit sustainability and resiliency.


Principal at Earthcycle Design
Mr. Southall is a principal with Earthcycle Design, LLC, a landscape architecture, urban planning and community resilience design firm, based in Lexington, Kentucky. He is a professional landscape architect in Kentucky and Ohio, a LEED accredited professional BD+C with the US Green Building Council (USGBC), and a certified planner with the American Planning Association. Mr. Southall has over 25 years of professional experience in planning, design and project management. He has applied his sustainability design experience on a multitude of projects ranging in magnitude and complexity including: urban and site design for institute and community facilities with an emphasis on education and public outreach pertaining to green infrastructure (GI), low impact development (LID) and sustainable sites. Mr. Southall has presented on an assortment of sustainable practices and topics at statewide, regional and national conferences. In 2008, he shared the State of Kentucky Governor’s Award for Environmental Leadership. In 2009, he received an Environmental Commission Award from Lexington-Fayette Urban County Government for his environmental outreach and sustainable design efforts in Lexington. Mr. Southall graduated from the University of Kentucky with a Bachelor of Science in Landscape Architecture. Currently, he serves as one of 12 Sustainable Champions for American Planning Association (APA), serves on the steering committee of Empower Lexington (a climate action plan to reduce CO2), and serves as treasurer for LFUCG’s Environmental Commission. In March 2017, Mr. Southall completed a three-day Climate Reality Leadership Corps training to become a Climate Reality Leader and served as Mentor in October, 2017. He is a past chapter president and Trustee of Kentucky ASLA, past Board of Directors member for Southeast Stormwater Association (SeSWA), and Market Leadership Advisory Board (MLAB) member for USGBC Kentucky. Mr. Southall is a member of American Society of Landscape Architects and the American Planning Association.

AIA Info

AIA Provider Statement:

HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES ( or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: Stormwater Basins and Underground Systems

Delivery Method: Live Online

Course Description: This 6.5 hour live lecture presentation examines stormwater management objectives and design considerations, stormwater basin and underground system design, basin types, underground storage system types, and sustainable best practices in stormwater detention and retention.

Learning Objectives:

Learning Objective 1:
Learners will be able to comply with stormwater regulations and be able assist with preparing stormwater pollution prevention plans.

Learning Objective 2:
Learners will be able to explain the criteria for stormwater basins and underground systems, including impact area, watershed and terrain considerations and stormwater content.

Learning Objective 3:
Learners will be able to choose stormwater basin types, including detention basins and retention ponds, and they will be able to choose between underground retention and detention/infiltration systems.

Learning Objective 4:
Learners will be able to identify and describe stormwater best practices, including rain gardens, underground storage and water reuse.

LUs: 6.5                                                                                              LU Type: LU|HSWs.

Prerequisites: Experience with site development and stormwater management

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 08/02/2022

Complaint Resolution Policy:

Complaints regarding this course can be emailed to or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation

USB MP4/PDF Price: $299.00


Before undertaking any self-study effort, you should review the rules of your licensing/certifying entity.

You must take and pass a quiz in order to receive credit. You can take the quiz as many times as needed and there is no time limit on the quiz. Once the quiz is completed, you will be asked to download your certificate.

Videos that qualify for AIA, LACES, ASLA, or CLARB credit will require an extra week for processing.

Streamable MP4/PDF

Available approximately 1 week after the date of the live event or the date of your order, whichever is later.

To track your purchase you will need to create an account on the website using the email address used for your registration.

The video will have occasional question prompts that will not allow the video to progress unless they are answered. You will not be able to skip forward while watching the video.

If you attempt to resume watching the video on a separate device, your progress will not be saved.

Click the link which appears at the end of the video to be taken to the course quiz.


HalfMoon will mail these materials via USPS. Please allow 2 weeks from the date of purchase to receive your product. If the live seminar is in the future, please allow 5 weeks from the date of the live seminar.

The link to the quiz will be available in a PDF in your USB drive marked QUIZ.

HalfMoon will contact you and issue a full refund if the product you ordered is not available. However, refunds will not be issued if completion certificates are requested.

Please contact HalfMoon Education if you have any questions during the process of taking this course. (715) 835-5900 or