Mary Szafraniec, PhD, PWS

National Water Quality Solutions Expert

Mary is the Director of Water Quality Initiatives at RES. She is a nationally recognized expert in aquatic ecology, watershed restoration, and water quality improvement. With 20 years of experience in ecological assessment, restoration planning, and environmental engineering, she helps clients develop science-based solutions to complex water resource challenges.

Mary’s work focuses on understanding how water quality, hydrology, and biological communities interact within aquatic ecosystems. Her expertise includes watershed and springshed restoration, ecological monitoring, nutrient management, habitat restoration, water quality modeling, and the evaluation of restoration effectiveness. She has designed and led studies across Florida involving springs, rivers, wetlands, estuaries, and groundwater systems.

Mary has worked extensively on projects addressing nutrient enrichment, impaired waters, minimum flows and levels, total maximum daily loads, and basin management action plans. Her approach integrates hydrology, ecology, and engineering principles to identify practical restoration strategies that improve ecosystem health while supporting regulatory and stakeholder objectives.

Mary is enthusiastic about collaboration and innovation in ecological restoration. She believes meaningful environmental progress depends on bringing together diverse expertise and embracing innovative approaches to restoration and resource management.