NEIWPCC hosts a webinar series focused on key topics for state, territory, and tribal 303(d) and TMDL programs and other partners who work with these programs.

The series of free, informational webinars began in 2016 through a cooperative agreement with the EPA. NEIWPCC convenes a planning team of state and EPA staff to discuss topics and the framework for future webinars to make the series as valuable as possible to our target audiences.

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Upcoming Training Webinar: Lake Loading Response Model

April 16, 1-4 p.m. EST via Zoom

The Lake Loading Response Model (LLRM) is an Excel-based model that uses environmental data to develop a water and nutrient loading budget for lakes/ponds and their tributaries (AECOM, 2009). Presenter Bob Hartzel will deliver a three-hour training, organized into the following major topics: (1) limnology concepts for modeling, (2) lake modeling concepts, (3) data analysis / model setup, and (4) Lake Loading Response Model (LLRM) and case study.

Hartzel leads the Ecological Services practice for Comprehensive Environmental Inc. and has a diverse background in leading water resources management, watershed assessment, environmental permitting, and ecological restoration projects. He is a Certified Lake Manager (CLM), a Certified Professional in Erosion and Sediment Control (CPESC), and professional wetland scientist.


Apply to Present a Webinar

Are you doing interesting work related to TMDLs or the 303(d) Program? Tell us your idea and you could present at our next webinar!

Webinars should be relevant to people working in state, tribal, or federal 303(d) and TMDL programs. We welcome applications from anyone interested in presenting and are able to provide funding of up to $1,500 to eligible applicants. Applications are accepted on a rolling basis; the planning team reviews them quarterly and will reach out to applicants as they are selected. For more information, read the full request for proposals.


Webinar Archives

View the TMDL webinar library to find information and links to recordings of our previous webinars. You can also watch most of the webinars on our YouTube channel.


For additional information about this project, the application process, or upcoming webinars, contact Beth Malcolm.

NEIWPCC and the EPA do not directly or indirectly endorse any product, service, or any other entity mentioned in any of the programs in this series.