Difference between revisions of "Total Maximum Daily Loads for Chlorpyrifos and Diazinon in Lower Salinas River Watershed in Monterey County, California"

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[[Image:TMDL Project Area.png|200px|thumb|right|Location of TMDL Project Area. Available from:[http://www.swrcb.ca.gov/centralcoast/water_issues/programs/tmdl/docs/salinas/pesticide/sal_op_tmdl_projrpt_pubrev_jan2011]]The California Regional Water Quality Control Board for the Central Coast Region (CCRWQCB), in collaboration with the Environmental Protection Agency (EPA), created the Total Maximum Daily Load (TMDL) plan for the pesticides, chlorpyrifos and diazinon, for the Lower Salinas River Watershed in Monterey County, California.  The final [http://www.swrcb.ca.gov/centralcoast/water_issues/programs/tmdl/docs/salinas/pesticide/sal_op_tmdl_projrpt_pubrev_jan2011.pdf TMDL report]was created in January 2011, and discussed in the final report hearing on May 5th, 2011.  
 
[[Image:TMDL Project Area.png|200px|thumb|right|Location of TMDL Project Area. Available from:[http://www.swrcb.ca.gov/centralcoast/water_issues/programs/tmdl/docs/salinas/pesticide/sal_op_tmdl_projrpt_pubrev_jan2011]]The California Regional Water Quality Control Board for the Central Coast Region (CCRWQCB), in collaboration with the Environmental Protection Agency (EPA), created the Total Maximum Daily Load (TMDL) plan for the pesticides, chlorpyrifos and diazinon, for the Lower Salinas River Watershed in Monterey County, California.  The final [http://www.swrcb.ca.gov/centralcoast/water_issues/programs/tmdl/docs/salinas/pesticide/sal_op_tmdl_projrpt_pubrev_jan2011.pdf TMDL report]was created in January 2011, and discussed in the final report hearing on May 5th, 2011.  
  
The TMDL report addresses the impairment of approximately 195,000 acres within the Lower Salinas River in northern Monterey County by two registered organophosphate pesticides, Chlorpyrifos and Diazinon. In 2001 the EPA mandated the cancellation and restriction of chlorpyrifos and diazinon, until reassessments could ensured that safety requirements were being met ('''CITATION NEEDED'''). The phase out of chlorpyrifos and diazinon were expected to reduce the concentrations of these pesticides in  the following impaired water bodies:
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The TMDL report addresses the impairment of approximately 195,000 acres within the Lower Salinas River in northern Monterey County by two registered organophosphate pesticides, Chlorpyrifos and Diazinon. In 2001 the EPA mandated the cancellation and restriction of chlorpyrifos and diazinon, until reassessments could ensured that safety requirements were being met (Rose et al. 2011)<ref name="RWQCB_report">. The phase out of chlorpyrifos and diazinon were expected to reduce the concentrations of these pesticides in  the following impaired water bodies:
  
 
*Moss Landing Harbor
 
*Moss Landing Harbor

Revision as of 13:48, 4 April 2011

This page is a a summary of the Regional Water Quality Control Board Central Coast Region report on Total Maximum Daily Load for chlorpyrifos and diazinon for the Lower Salinas River Watershed, Monterey County, California (Rose et al. 2011)[1]. The summary was prepared by the Spring '11 ENVS 560/L Watershed Systems class at CSUMB.


Project Definition

The California Regional Water Quality Control Board for the Central Coast Region (CCRWQCB), in collaboration with the Environmental Protection Agency (EPA), created the Total Maximum Daily Load (TMDL) plan for the pesticides, chlorpyrifos and diazinon, for the Lower Salinas River Watershed in Monterey County, California. The final TMDL reportwas created in January 2011, and discussed in the final report hearing on May 5th, 2011.

The TMDL report addresses the impairment of approximately 195,000 acres within the Lower Salinas River in northern Monterey County by two registered organophosphate pesticides, Chlorpyrifos and Diazinon. In 2001 the EPA mandated the cancellation and restriction of chlorpyrifos and diazinon, until reassessments could ensured that safety requirements were being met (Rose et al. 2011)Cite error: Closing </ref> missing for <ref> tag
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