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

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

Thursday, June 15, 2023 
11:00 am – 1:00 pm CDT


Presented by Dr. Stephen J. Souza


  • What naturalization is and why it is important
  • Stormwater detention and additional benefits
  • Changing the size and shape of the basin
  • Changes to the inlet and outflow
  • Improving basin soils and plants
  • Promoting diffusion and infiltration
  • Planning for regular maintenance 


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:
2.0 PDHs

2.0 HSW CE Hours

2.0 LU|HSW*

Landscape Architects:
2.0 CE Hours

2.0 HSW PDHs*

International Code Council:
.2 CEUs (Sitework)

Floodplain Managers:

Certified Planners:

*Live course approval. Pre-approval for on-demand format may be available upon request.
**Live course approval. Not approved for on-demand format.
***No credit for NY engineers or architects.


Continuing Education Credit Information

This webinar is open to the public and is designed to qualify for 2.0 PDHs for professional engineers, 2.0 continuing education hours for licensed architects, and 2.0 continuing education hours for landscape architects in all states that allow this learning method and non-HSW coursework. This course is not approved in New York; 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). 

 The American Institute of Architects Continuing Education System has approved HalfMoon Education as a sponsor of continuing education (Sponsor No. J885). This course has been submitted for AIA CES approval and is currently pending. Only full participation is reportable to the AIA CES. 

 The Landscape Architecture Continuing Education System has approved this course for 2.0 PDHs. Only full participation is reportable to the LA CES. 

 HalfMoon Education is an approved CM Provider with the American Planning Association. This course is registered for CM | 2 for Certified Planners. 

Visit this course listing at for updates on pending credits. Completion certificates will be awarded to participants who complete this event and earn a passing score (80%) on the quiz that follows the presentation (multiple attempts allowed). 

 On-Demand Credits 
The preceding credit information only applies to the live presentation. This course in an on-demand format may not be eligible for the same credits as the live presentation; please consult your licensing board(s) to ensure that a structured, asynchronous learning format is appropriate. The following pre-approvals may be available for the on-demand format upon request: 

 2.0 LUs (AIA) 

2.0 PDHs (LA CES) 


Dr. Stephen J. Souza, Ph.D.

Owner of Clean Waters Consulting, LLC in New Jersey

Dr. Souza has over 35 years of professional expertise in the management and restoration of water resources. This includes the design and application of a wide array of green infrastructure stormwater management techniques. He received his B.S. from the University of Massachusetts-Dartmouth (1974), his M.S. from Rutgers University (1976), and his Ph.D. from the University of Connecticut (1981). Dr. Souza is the founding partner of Princeton Hydro, serving as the company’s president until his retirement in 2018. He is an instructor and course coordinator for the Rutgers NJAES Office of Continuing Professional Education as well as for Continuing Professional Education Services, LLC. Dr. Souza is also an Adjunct Professor at Temple University (Department of Landscape and Horticulture – Tyler School of Art and Agriculture). 

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: How to Naturalize an Existing Stormwater Detention/Retention Basin

Delivery Method: Live Online

Course Description: This course examines the principles and practice of transforming traditional dry-bottom basins into naturalized basins that improve water quality and provide a host of environmental benefits.

Learning Objectives:

Learning Objective 1:
Learners will be able to explain the principles of naturalization of stormwater detention and retention basins and explain why it is important.

Learning Objective 2:
Learners will be able to describe how to change the size and shape of detention basins as part of the naturalization effort, and they will be able to explain what benefits this may produce.

Learning Objective 3:
Learners will be able to describe how to change inlet and outflow of detention basins as part of the naturalization effort, and they will be able to explain what benefits this may produce.

Learning Objective 4:
Learners will be able to describe how to improve basin soils and select native plantings can promote diffusion and infiltration of stormwater.

LUs: 2.0                                                                                            LU Type: LU|HSWs.

Prerequisites: Experience with site development and earthwork efforts

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 05/04/2024

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.