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

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

Monday, November 28, 2022 
8:30 am – 5:00 pm CST (including a 60-min. break)


Presented by
Philip F. Paradis, PE, LEED AP, CPSWQ
Robert Gladfelter
Kenneth Justice, P.E., LEED AP
Angie Durhman, GRP
Rod Tyler

Selecting Stormwater Best Management Practices

Site topography, hydrology, and soils
System sizing and design
System performance
Selection criteria
BMP retrofits
Structural BMPs for MS4 compliance

Reducing Site Disturbance and Increasing Natural Landscaping
Benefits of low impact development (LID)
Replacing lawns with native plants
• Stormwater management
• Ecological functions

Permeable Pavers, Asphalt, and Concrete
Site criteria and product selection
Preparation and installation
Cost considerations and maintenance

Green Roofs
Costs and maintenance
Common questions

Rain Barrels, Cisterns and Rain Gardens
Stormwater collection
Water storage and reuse
Garden sizing and design
Cost considerations

Filter Strips and Drainage Swales
Benefits and design considerations
Choosing appropriate vegetation
Cost considerations and maintenance

Stabilization with Vegetation
Role of vegetation in stormwater storage and infiltration
Using vegetation to stabilize shorelines
Vegetative revetments
Vegetative ground covers

Stormwater Best Management Case Studies


 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:
7.0 PDHs

7.0 HSW CE Hours

Landscape Architects:
7.0 HSW CE Hours
7.0 LA CES 7.0 HSW PDHs

International Code Council:
.7 CEUs (Sitework)

Floodplain Managers:


Continuing Education Credit Information
This webinar is open to the public and offers 7.0 PDHs to professional engineers, 7.0 HSW continuing education hours to licensed architects, and 7.0 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 (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 7.0 LU|HSWs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.

The Landscape Architecture Continuing Education System has approved this course for 7.0 HSW PDHs. Only full participation is reportable to the LA CES.

The International Code Council has approved this event for .7 CEUs in the specialty area of Sitework (Preferred Provider No. 1232).

This webinar has been approved by the Association of State Floodplain Managers for 7.0 CECs for floodplain managers.

Attendance will be monitored, and attendance certificates will be available after the webinar for those who attend the entire course and score a minimum 80% on the quiz that follows the course (multiple attempts allowed).


Angie Durhman GRP

Angie Durhman, GRP Owner and Principal, AD Greenroof, LLC
Combining an academic background in horticulture and working in the roofing & landscape construction industry, Ms. Durhman has over eighteen years of green (vegetated) roof professional experience. She has worked on all aspects of the green/vegetated roofing industry- from construction contracting, collaborating with the research community, improving corporate sales and images, and PR and marketing. Since 2002, she has created approximately 60 acres of vegetated roofing across the country. While many square feet are classified as extensive, Ms. Durhman has been involved in numerous signature projects categorized as native, semi-intensive, urban rooftop farms, slopes, and intensive roofs. She is uniquely qualified to establish maintenance programs called Greenformation, and restore vegetated roof problems within the public and private markets. Ms. Durhman holds a Masters in Horticulture from Michigan State University, where she studied green roof plant performance and environmental sustainability.


President & CEO of Integrity Stormwater
Mr. Flack has earned his designation, among select thousands in the world, as a certified professional in erosion and sediment control (CPESC) as well as his designation as a certified erosion, sediment and stormwater inspector (CESSWI) and a course instructor, lending his experience and training to his customers for all of their stormwater needs. Furthermore he is among the select few who are Qualified Compliance Inspectors of Stormwater (QCIS). He has served as the president and the administrative vice president of the South Central Chapter of the International Erosion Control Association (IECA). Mr. Flack was the Region 6 President for EnviroCert International and has served as the Region 7 representative for CPESC, Inc. He was technical vice-chair for the CPESC Council, and he is on the Education Committee: Stormwater Management Track for the International Erosion Control Association Region 1 which encompasses North America, South America and Europe, where he has served as chair. Mr. Flack was awarded Young Professional of the Year for 2014 by the IECA Region 1 and is also an IECA Mentor. He also served as a member of the Policies and Procedures Committee and the Certified Professional in Industrial Stormwater Management Committee for EnviroCert International. He is an EnviroMentor for the Texas Commission on Environmental Quality (TCEQ) as well as a member of the TCEQ Houston Area Small Business Advisory Council. Mr. Flack has been involved with stormwater management since 2004, when he learned about permitting, turf establishment, erosion control and detention pond maintenance. He has since continued to learn and develop his stormwater knowledge and skills and is now a speaker at many conferences sharing his expertise across the US and internationally. He is married to his high school sweetheart and they have 3 boys. He works both locally and internationally on humanitarian projects and in missionary service. 

Robert Gladfelter

Robert Gladfelter Landscape Designer with Refugia Design/Build
Refugia is a mission-based design and install firm that uses best sustainable practices to design native gardens that inspire and improve local ecology. Mr. Gladfelter comes to Refugia with 20+ years of experience in the landscape trade. Mr. Gladfelter also teaches when called upon at Temple University and is an acting member of his Borough’s Environmental Advisory Committee. Mr. Gladfelter graduated with a BS degree in Landscape Architecture from Temple University in 2018  and has nearly completed all his tests for  his LA license.  

Kenneth M. Justice P.E. LEED AP

Senior Director, Local Paving, Pave Ahead
Mr. Justice is based in the Philadelphia area, and works with local, regional and state technical and promotion partners to help deliver concrete parking and street paving projects by supporting promotion, design and construction activities as well as provide training and presentations on concrete applications and promotion. Mr. Justice is also a pervious concrete and pervious pavements specialist, having been involved in over 300 pervious pavement projects and has spoken at hundreds of industry events, workshops and webinars. Prior to joining the NRMCA, Mr. Justice was the promotion director for the Portland Cement Association Northeast for over 10 years. Prior to that, Mr. Justice worked as a civil engineer with over 25 years of experience as an engineering project manager, concentrating on pavement projects for airports, parking lots and roads. 

Philip F. Paradis PE. LEED AP. CPSWQ

Associate, BETA Group, Inc.
Mr. Paradis has over 30 years of professional experience in the civil engineering field. He has been responsible for many diverse site development, transportation, stormwater management, and utility projects for both public and private sectors. He has extensive experience in designing, analyzing, permitting, and inspection of stormwater management systems and has expert knowledge of the latest state and federal regulations, environmental requirements, and sustainable design. Mr. Paradis is adept at providing stormwater management LID techniques and BMP retrofits for site development, transportation, and environmental engineering, projects to meet various site constraints, conditions and water quality issues. His broad knowledge and experience offer a basis for providing thorough peer reviews of land development and stormwater projects submitted to various boards/commissions of our municipal clients. He provides this service as an on-call or project specific basis to Boards of Selectmen, Zoning Boards of Appeals, Planning Board, Conservation Commission and Boards of Health. Mr. Paradis also provides complete municipal separate storm sewer (MS4) compliance services to our Massachusetts clients. He developed a compliance evaluation program that includes matching the Town’s resources with the requirements of the Permit and developing a 10 year schedule and budget plan. Subsequently, he then works with the client to service their specific MS4 task compliance needs.

Rod Tyler

Rod Tyler President, Green Horizons Environmental, LLC
Mr. Tyler possesses over 30 years in the Compost Industry and has a diversified background in compost quality control, research, new market and product development and marketing. He has technical expertise in Agronomy, developing efficient composting systems, sustainability, storm water, pollution control and developing source markets for the products produced. As the inventor and former patent holder for the Filtrexx line of products, Mr. Tyler created an entire industry change from silt fence to Compost Filter Socks. Now, many states have changed their regulations to allow only compost filter socks. More recently, Mr. Tyler has designed and installed Living Shorelines, which are new soft armor designs to replace rigid bulkheads and hardscapes to be more resilient and sustainable against severe storm surges. He consults for market studies, composting feasibility studies, marketing tune ups for companies making and selling compost, training, and professional speaking. In addition, Mr. Tyler has also continued to develop products like GardenSoxx, the best container for growing, which can be used anywhere to generate a garden, avoiding weeds, rototilling, and uses 90% less water.

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 Best Management Practices

Delivery Method: Live Online

Course Description: This course examines the benefits of reducing site disturbances and increasing natural landscaping on development sites and stormwater practices, including permeable pavers, vegetated roofs, rain barrels, cisterns, rain gardens, filter strips, and ponds.

Learning Objectives:

Learning Objective 1:
Learners will be able to explain the environmental and stormwater management benefits of reducing site disturbances during construction and increasing natural landscaping.

Learning Objective 2:
Learners will be able describe the function and installation process of permeable pavers, filter strips and drainage swales.

Learning Objective 3:
Learners will be able describe the function and installation process of vegetated roofs, rain barrel, cisterns, and rain gardens, detention basins and ponds.

Learning Objective 4:
Learners will be able to assess site topography, hydrology, and soils to determine stormwater system sizing and design, and selection of best management practices.

LUs: 7.0                                                                                              LU Type: LU|HSWs.

Prerequisites: Familiarity with stormwater issues and landscaping

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 02/02/2024

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: $329.00


Before undertaking any on-demand effort, you should review the rules of your licensing/certifying entity. It’s your responsibility to determine whether or not this on-demand course meets your continuing education requirements.

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