Skip to main content

Wednesday, April 19, 2023

9:30am – 3:00pm
North Carolina Botanical Garden, Reeves Auditorium
100 Old Mason Farm Rd
Chapel Hill, NC

Symposium Agenda


The UNC Institute for the Environment collaborated with the Upper Neuse River Basin Association (UNRBA) on the 2023 Falls Lake Nutrient Management Strategy and Research Symposium. The purpose of the symposium was to inform stakeholders of recent research that has been funded by the NC Policy Collaboratory and UNRBA’s efforts to re-examine the Falls Lake Nutrient Management Strategy. The symposium will featured from researchers from UNC, NC State, and East Carolina University, as well as the UNRBA.

Questions about the symposium can be directed to Grant Parkins, Watershed Education Coordinator with the UNC Institute for the Environment,

Speaker Presentations

The UNRBA Pathway to a Re-Examination of the Falls Lake Nutrient Strategy – Forrest Westall

In-Lake Processes

In Situ Observational Study of Falls Lake Circulation – Harvey Seim, Rick Luettich, Tony Whipple, and Crystal Fulcher

Reservoir Sediment Nutrient Flux Analysis and Model – Anne Smiley, Suzanne Thompson, Mike Piehler

Defining the Balance Between N2 Fixation and Denitrification – Nathan Hall, Mike Piehler, and Hans Paerl

Cyanotoxin Dynamics in Falls Lake – Emily Pierce, Will McClure, Marco Valera, Joseph Mohn, and Astrid Schnetzer

Assessment of Zooplankton-Phytoplankton Relationships in Falls Lake – Nathan Hall and Mike Piehler

Watershed Processes

Estimating Nutrient Loads to Falls Lake from Streambank ErosionLayla El-Khoury and Barbara Doll

Submerged Gravel Wetlands as an Effective Retrofit for an Ultra-Urban Watershed – Caleb Mitchell, Bill Hunt

Quantifying Nutrient Treatment by Onsite Wastewater Systems in Raleigh Belt Geological Settings in the Piedmont of North Carolina – Guy Iverson, Charles P. Humphrey Jr., Michael O’Driscoll, Natasha Bell, and John Hoben

Stakeholder Engagnement, Financing, and Applying What We’ve Learned

Evaluating the Benefits of Land Conservation on Water Quality in the Falls Lake WatershedNoa Meiri

Estimating and Projecting Internal Phosphorus Loading in Piedmont Reservoirs – Smitom Borah, Dan Obenour

Financing Falls Lake Nutrient Management: Year 4Megan Doherty, Anna Patterson

NC Water Quality Standards Attaining Chlorophyll-A In A Piedmont Reservoir: Is It The Impossible Dream?Dan McLawhorn

UNRBA’s Re-Examination: What We’ve Learned & What It Means For the Future of Falls Lake – Forrest Westall