Comparison of Measured to Predicted Estimations of Nonpoint Source Contaminants Using Conservation Practices in an Agriculturally-Dominated Watershed in Northeast Arkansas, USA

Comparison of Measured to Predicted Estimations of Nonpoint Source Contaminants Using Conservation Practices in an Agriculturally-Dominated Watershed in Northeast Arkansas, USA

In efforts to reduce nonpoint source runoff and improve water quality, Best Management Practices (BMPs) were implemented in the Outlet Larkin Creek Watershed. Farmers need to make scientifically informed decisions concerning BMPs addressing contaminants from agricultural fields. The BMP Tool was dev...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology Vol. 96; no. 6; pp. 762 - 766
Main Authors: Frasher, Sarah K., Woodruff, Tracy M., Bouldin, Jennifer L.
Format: Journal Article
Language:English
Published: New York Springer US 01-06-2016
Springer Nature B.V
Subjects:
Agricultural land
Agricultural management
Agricultural runoff
Agriculture - methods
Aquatic Pollution
Arkansas
Comparative studies
Conservation practices
Contaminants
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Estimating techniques
Farmers
Nonpoint source pollution
Phosphorus - analysis
Pollution
Soil Science & Conservation
Total suspended solids
Waste Water Technology
Water Management
Water Pollution Control
Water Quality
Water quality measurements
Watersheds
USA, Arkansas
Sediment loading
Agricultural best management practices
Water quality
BMP Tool
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Summary:In efforts to reduce nonpoint source runoff and improve water quality, Best Management Practices (BMPs) were implemented in the Outlet Larkin Creek Watershed. Farmers need to make scientifically informed decisions concerning BMPs addressing contaminants from agricultural fields. The BMP Tool was developed from previous studies to estimate BMP effectiveness at reducing nonpoint source contaminants. The purpose of this study was to compare the measured percent reduction of dissolved phosphorus (DP) and total suspended solids to the reported percent reductions from the BMP Tool for validation. Similarities were measured between the BMP Tool and the measured water quality parameters. Construction of a sedimentation pond resulted in 74 %–76 % reduction in DP as compared to 80 % as predicted with the BMP Tool . However, further research is needed to validate the tool for additional water quality parameters. The BMP Tool is recommended for future BMP implementation as a useful predictor for farmers.
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ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-016-1823-6