WATAR Quality Glossary

Definitions for terms used within Environmental Perspectives focused on remediation of watersheds
bioaccumulative - describing chemicals that build up in bodily tissues and can be transferred upwards through the food chain that can have adverse impacts on an individual's health
cumulative - describing chemicals that build up in the body over time that can reach toxic levels
hydrology - the study of water and how it moves and is distributed in the environment
legacy pollutant - chemical introduced to the environment in the past which may be banned from production in present day, but still persists in the environment because of its stable characteristics
Monitored Natural Recovery - a risk reduction approach that uses ongoing, naturally-occurring processes to contain, destroy, or reduce the toxicity of contaminants in the sediment
persistent - description of a chemical that does not break down in the environment over extended periods of time through normal chemical, biological, and physical processes and so remains a potential threat to human health and the environment
polychlorinated biphenyl (PCB) - man-made chemicals used as flame retardant, insulation, and stability purposes; banned in 1979
potable - safe or suitable to drink
riprap - material used to stabilize shorelines and prevent erosion
SediMite - an activated carbon product used to remediate sediments in place by binding to the contaminants and making them no longer available to fish and other organisms for consumption
Total Maximum Daily Load (TMDL) - the maximum amount of a pollutant that is allowed in a waterway in order for the waterway to continue to meet water quality standards for that pollutant
toxic - capable of causing injury or death
watershed - the region or area drained by a river, stream, or other water body

Page reviewed 4/3/19