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
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

Owner and Principal, AD Greenroof, LLC

Combining an academic background in horticulture and working in the roofing and landscape construction industry, Ms. Durhman has over 20 years of green (vegetated) roof professional experience. She has worked on all aspects of the green/vegetated roofing industry: 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 bio-solar 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 degree in Horticulture from Michigan State University, where she studied green roof plant performance and environmental sustainability.


President and CEO at Integrity Stormwater in Spring, TX

Mr. Flack has earned his designations, among select thousands in the world, as a Certified Professional in Erosion & Sediment Controls (CPESC) as well as his designation as a Certified Erosion, Sediment and Storm Water Inspector (CESSWI), lending his experience and training to his customers to consult them in all their stormwater needs. He has also earned his status as a Qualified Compliance Inspector of Stormwater (QCIS) and as a Qualified Preparer of Storm Water Pollution Prevention Plans (QPSWPPP. He also earned the Certified Erosion and Sediment Control Lead (CESCL), which is a 17.5-hour certificate program as required by Washington State for all construction stormwater management. He is a subject matter expert and lead instructor for StormwaterONE, which has established itself as the leader in stormwater management training and credentialing, the school’s mission is to provide their students with the most comprehensive and up to date training of individual stormwater permits, online or in-person.

Brad has been invited to speak in-person on storm water and erosion control issues in many locations, including California, Texas, Tennessee, Louisiana, Wyoming, Oregon, Colorado, Ohio and New Mexico, as well as internationally in Antigua, Guatemala, and in San Jose, Costa Rica. Furthermore, he has provided virtual online training for wide variety organizations across the country, including the Army Corps of Engineers, Maryland Stadium Authority, and more.

Additionally, he served as president and administrative vice president for the South-Central Chapter of the International Erosion Control Association. Furthermore, he directed the IECA Region 1 Education Committee: Stormwater Management Track as co-chair, which encompasses North America, South America and Europe. Brad also sat as the Region 6 Chapter President for EnviroCert International (ECI) and was a member of the Policies and Procedures Committee for ECI. He has served as the Region 7 representative for the CPESC, Inc., group as well as the technical vice-chair for the Council. He has been an IECA Mentor and served as a TCEQ EnviroMentor.

Brad has been involved with Stormwater Quality Management since 2004 where he learned about permitting, turf establishment, erosion control and detention pond maintenance and has continued to be a student of the industry throughout his career. His attention to detail and depth of knowledge about structural control devices, vegetative stabilization and best management practices are a valuable asset to his clients and students.

His wife is his high school sweetheart, and they have been married for over 20 years and have three sons. Brad has also actively served at his church and has ventured on over a dozen mission trips, from drilling for water in rural villages in Honduras to assisting in hurricane recovery efforts in Puerto Rico. Brad was the Director of Hands and Feet Honduras/Puerto Rico, a 501(c)3 organization for over eight years.

Robert Gladfelter, RLA ASLA

Landscape Architect/Project Manager, Simone Collins Landscape Architecture

Rob Gladfelter has 20+ years of experience in the landscape trade and has been working as a landscape architect for the past six years. Mr. Gladfelter has worked on all types of projects from municipal planning projects and large park master planning to small residential design and install. His time with Refugia, a mission-based design and install firm that uses best sustainable practices to design native gardens that inspire and improve local ecology has allowed him to explore and learn how to use low impact design and ecological services to manage stormwater. Mr. Gladfelter is also an adjunct professor for the Landscape Architecture program at Temple University and is the acting chairperson of his Borough’s Environmental Advisory Commission.

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.