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Water Quality Notes: What are concentrations and loads, and why do they matter?

Alexander Reisinger, Andrea Albertin, Eban Bean, Ashley Smyth, andP. Christopher Wilson


Release Date: 11/16/2025

Reviewed At: 4/7/2026

DOI: 10.32473/edis-ss747-2025

Water Resources

Abstract

Water quality is a broad term used to describe a range of physical, chemical, and/or biological characteristics of water. Many different factors contribute to water quality. The decision of whether the quality of a given water body is good or bad, whether it is acceptable or unacceptable, varies from place to place and depends on the intended use of that water body. In Florida, water quality criteria have been established for six different types of water bodies, and these criteria vary by the use of each water body type. This publication defines general terminology and approaches used to describe water quality. It is targeted towards individuals who have an interest in water quality issues but may not have training in the specific details of these issues. Ultimately, this publication will allow the reader to have a deeper understanding of specific water quality issues and regulations.

About this Publication

This document is SL532, one of a series of the Department of Soil, Water, and Ecosystem Sciences, UF/IFAS Extension. Original publication date November 2025. Visit the Ask IFAS website at https://ask.ifas.ufl.edu/ for the currently supported version of this publication. © 2025 UF/IFAS. This publication is licensed under CC BY-NC-ND 4.0.

How to Cite

Reisinger, A. J., Albertin, A., Bean, E., Smyth, A., & Wilson, P. C. (2025). Water Quality Notes: What are concentrations and loads, and why do they matter? EDIS, 2025(6). https://doi.org/10.32473/edis-ss747-2025

Authors

Alexander Reisinger
Alexander Reisinger
Specialist
University of Florida

associate professor of urban soil and water quality, Department of Soil, Water, and Ecosystem Sciences, and state Extension specialist, Center for Land Use Efficiency, Program for Resource Efficient Communities

Andrea Albertin
Andrea Albertin
Specialized Agent
University of Florida

regional specialized agent and Extension agent III, Ph.D., water resources, UF/IFAS Extension, Quincy, FL

Eban Bean
Eban Bean
Specialist
University of Florida

associate professor and Extension specialist, Department of Agricultural and Biological Engineering

Ashley Smyth
Ashley Smyth
Specialist
University of Florida

associate professor, biogeochemistry, Ph.D., Department of Soil, Water, and Ecosystem Sciences, UF/IFAS Tropical Research and Education Center

P. Christopher Wilson
P. Christopher Wilson
Specialist
University of Florida

professor, environmental toxicology and agroecology, Department of Soil, Water, and Ecosystem Sciences

Publication #SL532

Peer Reviewed
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