Lower Salinas River Watershed Chlorpyrifos and Diazinon TMDL

Information

Problem Statement - Sixteen waterbodies in the lower Salinas River watershed are impaired due to exceedance of the narrative toxicity and pesticides water quality objectives. The pesticides chlorpyrifos and/or diazinon are present in the impaired waterbodies at levels that are not protective of several beneficial uses associated with aquatic life, including, but not limited to the following beneficial uses: cold fresh water habitat, warm fresh water habitat, estuarine habitat, wildlife habitat, rare threatened or endangered species, migration of aquatic organisms, and spawning, reproduction and/or early development uses.

Documentation

  • October 7, 2011 - USEPA approves the Lower Salinas River Watershed Chlorpyrifos and Diazinon TMDL
  • May 5, 2011 - Central Coast Water Board approves the Lower Salinas River Watershed Chlorpyrifos and Diazinon TMDL

Contacts

Status and Public Notices

Approval status

  • Central Coast Water Board
    - approved May 5, 2011.
  • US Environmental Protection Agency
    - approved October 7, 2011, which is the effective date.