Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Urban stormwater and agriculture irrigation runoff contain a complex mixture of contaminants that are often toxic to adjacent receiving waters. Runoff may be treated with simple systems designed to promote sorption of contaminants to vegetation and soils and promote infiltration. Two example systems...

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Bibliographic Details
Published in:Journal of visualized experiments 2017-05 (123)
Main Authors: Anderson, Brian S, Phillips, Bryn M, Voorhees, Jennifer P, Cahn, Michael
Format: Article
Language:English
Subjects:
Agricultural Irrigation
Cities
Environmental Sciences
Pesticides - chemistry
Plants - chemistry
Soil - chemistry
Water Pollutants, Chemical - chemistry
Water Pollution
Water Purification - methods
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Summary:Urban stormwater and agriculture irrigation runoff contain a complex mixture of contaminants that are often toxic to adjacent receiving waters. Runoff may be treated with simple systems designed to promote sorption of contaminants to vegetation and soils and promote infiltration. Two example systems are described: a bioswale treatment system for urban stormwater treatment, and a vegetated drainage ditch for treating agriculture irrigation runoff. Both have similar attributes that reduce contaminant loading in runoff: vegetation that results in sorption of the contaminants to the soil and plant surfaces, and water infiltration. These systems may also include the integration of granulated activated carbon as a polishing step to remove residual contaminants. Implementation of these systems in agriculture and urban watersheds requires system monitoring to verify treatment efficacy. This includes chemical monitoring for specific contaminants responsible for toxicity. The current paper emphasizes monitoring of current use pesticides since these are responsible for surface water toxicity to aquatic invertebrates.
ISSN:1940-087X
1940-087X
DOI:10.3791/55391