Aquatic Life Water Quality Criteria Derived via the UC Davis Method: III. Diuron

  • Tessa L. FojutEmail author
  • Amanda J. Palumbo
  • Ronald S. Tjeerdema
Part of the Reviews of Environmental Contamination and Toxicology book series (RECT, volume 216)


Diuron is a phenylurea herbicide that has been frequently detected in surface waters (the US Environmental Protection Agency, USEPA 2003), including periods when relatively low amounts were used, because it is moderately persistent in the water column (Ensminger et al. 2008). Diuron poses a risk to aquatic life because it, and other herbicides, can cause adverse effects on algae and vascular plants, which are the foundation of the aquatic food chain. Water quality standards are used to regulate pesticides in surface waters, and these standards are typically based on water quality criteria for the protection of aquatic life. When pesticide concentrations do not exceed water quality criteria, no adverse effects on aquatic life are expected. The derivation of acute and chronic water quality criteria for diuron using a new methodology developed by the University of California, Davis (TenBrook et al. 2010), is described in this chapter. The UC Davis methodology (UCDM) was designed to be more flexible than the USEPA method (1985) for deriving water quality criteria, although many aspects of the methods are similar.


Water Quality Criterion Species Sensitivity Distribution Planktonic Crustacean Phenylurea Herbicide Zinc Pyrithione 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We thank the following reviewers: D. McClure (CRWQCB-CVR), J. Grover (CRWQCB-CVR), S. McMillan (CDFG), J. P. Knezovich (Lawrence Livermore National Laboratory), and X. Deng (CDPR). This project was funded through a contract with the Central Valley Regional Water Quality Control Board of California. Funding for this project was provided by the California Regional Water Quality Control Board, Central Valley Region (CRWQCB-CVR). The contents of this document do not necessarily reflect the views and policies of the CRWQCB- CVR, nor does mention of trade names or commercial products constitute endorsement or recommendation for use.


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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Tessa L. Fojut
    • 1
    Email author
  • Amanda J. Palumbo
    • 1
  • Ronald S. Tjeerdema
    • 1
  1. 1.Department of Environmental Toxicology, College of Agricultural and Environmental SciencesUniversity of CaliforniaDavisUSA

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