How to Design Detention Basins
DISCLAIMER
Before purchasing, review the rules of your licensing or certifying entity. It is your responsibility to confirm this course meets your CE requirements. See the credit tab on the course page for details.
What’s Included: Full webinar recording, written course materials, expert instruction, a mandatory quiz, and a certificate upon completion.
Deliverability Timeline: All courses are generally available within 1-2 weeks after the live presentation.
CE Credits: AIA and/or LA/CES accreditation is available by request for courses recorded prior to March 11, 2026. All courses after that date include those accreditations by default, if applicable. With these accreditations, our courses qualify for credit in nearly all states for engineers, surveyors, architects, and landscape architects.
Learn more about the on-demand format in our FAQ or contact us at (715) 835-5900 or customerservice@halfmoonseminars.org
Agenda
Monday, October 19, 2020 | 11:00 am – 1:00 pm CDT
How to Design Detention Basins
Impacts of urbanization
Need for detention basins
How do detention basins work?
Typical detention requirements
Two commonly used detention basin models
Helpful resources for designing detention basins
TR-55 input: rainfall depth and distribution
TR-55 input: watershed area
TR-55 input: curve number
TR-55 input: time of concentration
TR-55 input: detention basin state-storage-discharge
Example model (using HEC-HMS)
Typical dry detention cost
Frequently observed design issues
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 will be provided for each webinar attended and will be sent via email in PDF form about five business days after the conclusion of the series.
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 www.gotowebinar.com
Credits
Professional Engineers:
2.0 PDHs
Architects:
2.0 HSW CE Hours
2.0 AIA LU|HSW
Landscape Architects:
2.0 HSW CE Hours
2.0 LA CES HSW PDHs
Stormwater Managers:
.2.0 ASFPM CECs
Continuing Education Credit Information
Individual courses for landscape architects, engineers and architects are not subject to pre-approval. HalfMoon Education does not apply for landscape courses in FL, NC, and NJ, unless expressly stated.
HalfMoon Education Certifying Entities:
Landscape Architect Continuing Education System
American Institute of Architects Continuing Education System (No. J885)
American Institute of Certified Planners (APA)
Boards of Engineering: Florida (No. 0004647), Indiana (License No. CE21700059),
Maryland, New Jersey (Approval No. 24GP00000700), North Carolina (No. S-0130),
and North Dakota.
Course-by-Course Organizations:
International Society of Arboriculture
Society of American Foresters
Association of State Floodplain Managers
HalfMoon Education is deemed a New York-approved continuing education provider for landscape architects, engineers and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §79-1.5(i)(2), §68.14(i)(2) and §69.6(i)(2)).
Speakers
Wade Burcham
Professional Engineer, Principal Water Resources Engineer with GeosyntecWade Burcham graduated from the University of Alabama in Birmingham. His 21 years of experience has been focused on natural stream stabilization, water resources engineering, stormwater management, municipal engineering and contract administration. This experience has facilitated a balanced viewpoint from perspectives obtained as a civil engineer, a municipal consultant and a developer’s representative. He enjoys learning sustainable and innovative design practices and applying those techniques in developing countries through his volunteer work with Engineering Ministries International and other faith-based mission efforts.
S. Jones
Mobile CountyProfessional Civil Engineer, Environmental Engineer with Mobile County
Mr. Jones graduated from the University of South Alabama with a BS degree in Civil Engineering and Mathematics/ Statistics. His career spans nearly two decades with valuable experience in the public sector, where he gained experience in construction engineering and contract administration and in the private sector, where he gained design experience in water resources engineering and stormwater management. Mr. Jones has also served as City Engineer for the City of Spanish Fort. In his spare time, he enjoys spending time with his wife and three children under the age of five.
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 (cesupport@aia.org 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 Design Detention Basins
Delivery Method: Live Online
Course Description: This course examines the need for stormwater detention basins, How they work, codes that specify their requirements, how to design them, and how much they typically cost.
Learning Objectives:
Learning Objective 1:
Learners will be able to explain the need for storm water detention basins and how urbanization exacerbates the importance of detention basins.
Learning Objective 2:
Learners will be able to explain how detentions basins work and describe two commonly-used detention basin models.
Learning Objective 3:
Learners will be able to take advantage of TR-55 – HydroCAD to calculate storm water runoff and storage volumes.
Learning Objective 4:
Learners will be able to discuss how HEC-HMS offers storm water detention basin modeling, typical dry detention costs, and frequently observed detention basin design challenges.
LUs: 2.0 LU Type: LU|HSW
Prerequisites: Familiarity with site development and stormwater management concerns
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: 08/13/2023
Complaint Resolution Policy:
Complaints regarding this course can be emailed to doug@halfmoonseminars.org 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.