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

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

Log into Webinar
8:00 – 8:30 am CDT
Morning Session
8:30 – 11:45 am CDT
11:45 am – 12:45 pm CDT
Afternoon Session
12:45 – 4:30 pm CDT


Presented by
Scott Southall, RLA, LEEP AP
Denise O’Meara, RLA, LEEP AP
Chris Dent, PE

Exploring Urban Hydrology and Environment
Principles of urban hydrology
Separate versus combined storm sewer systems
Introduction to green stormwater infrastructure (GSI)
Establishing municipal goals and working towards a green future

Reviewing Regulations and Doing Stormwater Modeling
Local, state and federal regulations
Permitting process
Stormwater modeling

Green Stormwater Infrastructure Implementation
Site design
Technical considerations
Infiltration testing
Basin design
Regulatory considerations
Flood control
Water quality
Public health and safety

Designing a Separate Storm Sewer System
Reviewing drainage patterns
Locating and spacing inlets
Creating a system layout
• Choosing pipe materials and diameters
• Locating structures
• Design discharge
• Gutter design
• Longitudinal slopes
Utilities conflicts
Construction concerns/considerations

City-Scale Strategic Stormwater Planning
Sewer system renewal and aging dynamics
Progressive flood mitigation planning
Climate change considerations

Storm Sewer Design Case Study


 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

Landscape Architects
6.5 HSW CE Hours

Floodplain Managers


Continuing Education Credit Information
This webinar is open to the public and offers 6.5 PDHs to professional engineers, 6.5 HSW continuing education hours to licensed architects, and 6.5 HSW continuing education hours to landscape architects in all states that allow this learning method. Please refer to specific state rules to determine eligibility.

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 (S0130). HalfMoon Education is deemed an approved continuing education sponsor for New York engineers and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2) and §69.6(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.

This webinar has been approved by the Association of State Floodplain Managers for 6.5 CECs for floodplain managers.

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


Chris Dent PE

Professional Engineer at SynTerra Corp
Mr. Dent, PE has almost 20 years of engineering experience in both the public and private sectors. His experience includes almost 20 years of project management for a wide variety of projects consisting of stormwater, green infrastructure and low impact development, sanitary sewers, land development, infill and redevelopment, utility relocations, grading, transportation, and grant administration. Mr. Dent currently works for SynTerra Corporation, and he has also worked for other private firms. He has also worked on in the public sector for the city of Lexington, Kentucky, in the stormwater section.

Denise O’Meara RLA LEEP AP

Landscape Architect at Earthcylce 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 upcoming 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, and that 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 has researched and put into practice those BMPs and conservation tools which benefit sustainability and resiliency.

Scott Southall RLA LEEP AP

Principal at Earthcycle Design
Mr. Southall, RLA, LEED AP BD+C, ASLA, AICP, is a principal with Earthcycle Design, LLC, a landscape architecture, urban planning and community resilience design firm, based in Lexington, KY.  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 twelve Sustainable Champion for American Planning Association (APA), serves on the steering committee of Empower Lexington (a climate action plan to reduce CO2), and 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 Director member for Southeast Stormwater Association (SeSWA), and Market Leadership Advisory Board (MLAB) for USGBC Kentucky. Mr. Southall is a member of American Society of Landscape Architects and 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: Urban Stormwater System Design and Construction

Delivery Method: Live Online

Course Description: This 6.5 hour live presentation examines urban hydrology principles, the difference between separate and combined storm sewer systems, stormwater regulations and modeling, green stormwater infrastructure, separate storm sewer system design, and city-scale strategic stormwater planning.

Learning Objectives:

Learning Objective 1:
Learners will be able to discuss the principles of urban hydrology and differentiate separate stormwater systems and combined stormwater/wastewater sewer systems.

Learning Objective 2:
Learners will be able to locate and reference local municipal stormwater regulation and assist with stormwater modeling.

Learning Objective 3:
Learners will be able to participate in the design of a separate storm sewer system (MS4) by understanding drainage patterns, locating and spacing inlets and manholes, gutter designs, and material selection.

Learning Objective 4:
Learners will be able to describe green stormwater infrastructure practices, including site designs, stormwater basins, and stormwater infiltration.

LUs: 6.5                                                                                              LU Type: LU|HSWs.

Prerequisites: Familiarity stormwater management planning and water utility systems.

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 

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.