Salinas River Watershed Sediment Toxicity and Pyrethroid Pesticides in Sediment TMDL


Problem Statement - Surface waters in the lower Salinas River watershed are impaired for sediment toxicity to the aquatic invertebrate (Hyalella azteca) and pyrethroid pesticides in sediment. These surface waters do not meet the Basin Plan general narrative objectives for toxicity and pesticides and aquatic life beneficial uses are not protected.

Final TMDL Documents


Supplemental Information

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Status and Public Notices

  • Status: Approved by the Office of Administrative Law (OAL).
  • Public Notice: None at this time.

Approval status

  • U.S. Environmental Protection Agency
    approved August 9, 2018.
  • Office of Administrative Law (OAL)
    approved June 28, 2018, which is the effective date.
  • State Water Board
    - approved March 6, 2018.
  • Central Coast Water Board
    - adopted July 14, 2017.