Watershed and Stormwater Webcast Series 2017-11-07T12:29:35+00:00

Watershed and Stormwater Webcast Series

Since 2009, the Center has been providing high quality webcasts for stormwater and watershed professionals. Over the past six years, an estimated 20,000 professionals have participated in the Center’s webcasts. Click here for a list of past webcasts (free for viewing by CWPA members).

2017 Webcast Series

If you have to miss a 2017 live webcast, you can purchase and view it within 60 days of the original airing.

Webcast 1: Stormwater Contaminants of Emerging Concern

March 24, 2017, 1-2:30 PM EST – Note this is a Friday, instead of the usual Wednesday

Newly recognized contaminants of emerging concern (CECs) include a broad list of synthetic or naturally occurring chemicals (e.g., pharmaceuticals, synthetic fragrances, detergents, disinfectants, plasticizers, preservatives) or any microorganisms that have the potential to cause adverse ecological and(or) human health effects. Advances in our ability to detect and study CECs in the environment have shown that they are widespread throughout the aquatic ecosystem, and some studies are showing adverse impacts to aquatic organisms and public health.  While a major source of CECs is POWT discharges, illicit discharges containing sewage into the municipal separate sewer system is a major pathway for CECs to be delivered to urban and suburban stream systems. Illicit discharge detection and elimination (IDDE) systems have the potential to be effective tools to mitigate the effect of CECs on the environment. This webcast focuses on CECs and the potential for IDDE programs to reduce their impacts.


Webcast 2: Nutrient Trading

May 17, 2017, 1-2:30 PM EST

Nutrient credit trading offers both risks and opportunities for meeting total maximum daily load (TMDL) nutrient reduction targets. Some states have established nutrient trading or offset programs, with most current trades involving wastewater treatment plants and limited involvement from the stormwater sector. In this webcast, we will look at the increasing exploration of nutrient trading, review case studies of trading programs, and discuss the future of nutrient trading in meeting pollution reduction regulations.


Webcast 3:  Making Urban Trees Count

June 21, 2017, 1-2:30 PM EST

The water quality benefits of forests are widely accepted, yet very few studies have successfully quantified the runoff and pollutant-reducing impacts of trees in the urban landscape. Using everything from individual street trees up to small patches of forest as a stormwater best management practice (BMP) is hampered by this uncertainty of how to “credit” urban trees for runoff and pollutant load reduction. This webcast will review the available stormwater crediting systems for urban tree planting and will present a new crediting system that includes a design specification for urban tree planting that can be integrated into state and local compliance systems for stormwater management, TMDLs and other water quality requirements.


Webcast 4: Modeling for Water Quality

September 13, 2017, 1-2:30 PM EST

Modeling is frequently used in watershed and stormwater planning to help build understanding of a problem or calculate possible changes over time when monitoring is not an option. Modeling can also be used to compare courses of action to determine effective strategies for addressing a problem and the potential cost for each strategy. Non-point source modeling tools are an important tool in estimating compliance with TMDL allocations and developing an overall watershed plan to meet water quality. In this webcast we will look at several tools for estimating pollutant loads, discuss the possible applications, and look at case studies to illustrate how a model was employed to achieve the desired goals.


Webcast 5: Bringing Better Site Design into The 21st Century

October 18, 2017, 1-2:30 PM EST

Published in 1998 as a consensus-based process for changing development regulations, the Center’s Better Site Design Handbook outlines 22 model development principles for site design that act to reduce impervious cover, conserve open space, manage stormwater at new residential and commercial development sites; and reduce the overall cost of development. Much has happened in the world of stormwater and site planning in the 18 years since the release of the handbook, including technical and regulatory advances that have changed how stormwater is managed and sites are developed. To respond this need, the Center recently revised the Code and Ordinance Worksheet (COW) as a first step to update the handbook and related support products to reflect the latest in stormwater management technology and regulations such as MS4 permits. Attend our webcast to learn about the new and improved COW, as well as updates to the supporting research, and case studies of communities that have successfully improved their development regulations.


Webcast 6: Stream Restoration: Where Are We Now?

November 15, 2017, 1-2:30 PM EST

Stream restoration has been used for over two decades for various objectives, including  mitigation and pollutant reduction requirements for TMDL compliance. The industry has had its critics who have argued that restoration should be more focused in the watershed and that scientific evidence of improvements to stream function is lacking. Even within the stream restoration community there has  been vastly different approaches to stream restoration design and a polarization among stream restoration designers who have taken different sides on the academic debate surrounding stream channel evolution and its role in the design process. Today, the fact that thousands of stream restoration practices have been installed speaks to its success as one of the primary tools used to meet water quality goals. This webcast will feature 4 of the nation’s leading stream restoration experts who will address a series of questions about the state of the art of stream restoration and where they see its future direction. The webcast will follow a similar format to the recently published Watershed Science Bulletin article “Ask the Experts: Perspectives on the primary drivers of stream restoration, design approaches and techniques and restoration potential.”

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Refund Policy

If a registrant is unable to attend a webcast, there are three options:

  1. Watch the archived recording. All webcasts are recorded, and registered attendees are provided with the link and all relevant materials. No action is required if selecting this option.
  2. Email webcast@cwp.org to let us know, and select another webcast to attend in place of the one you will miss.
  3. Request a refund. Refunds are provided as long as the cancellation request occurs more than 48 hours in advance of a webcast. The amount charged for the webcast will be refunded, except for a $25 processing fee.

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