Chorro Creek Nutrients and Dissolved Oxygen TMDL


Problem Statement - Exceedances of biostimulatory substances and levels of dissolved oxygen impair Chorro Creek.


  • July 19, 2007 - USEPA approves the Chorro Creek Nutrient and Dissolved Oxygen TMDL
  • July 7, 2006 - Central Coast Water Board adopts the Chorro Creek Nutrient and Dissolved Oxygen TMDL
    • Staff Report
      • Attachment 1 - Resolution R3-2006-044, adopting the TMDL and implementation plan
      • Attachment 2 - Project Report (technical report that provides the basis for the TMDL)


Status and Public Notices

  • Status: Fully approved and effective. Chorro Creek was delisted for dissolved oxygen impairment in 2010. The nutrients listing remains in effect however sampling shows nutrient concentrations are improving.
  • Report Card, Nutrients (2012)
  • Report Card, Dissolved Oxygen (2012)
  • Public Notice: none at this time.

Approval status

  • Central Coast Water Board
    - adopted July 7, 2006.
  • US Environmental Protection Agency
    - July 19 2007, which is the effective date.