Mixed Lettuce

Irrigated Lands Program


October 16, 2020
Notice of October 22-23, 2020 public meeting workshop agenda for Draft Ag Order 4.0.

September 8, 2020
Notice of September 23 - 24, 2020 public meeting workshop agenda for Draft Ag Order 4.0.

August 25, 2020
Notice of September 10-11, 2020 public meeting workshop agenda for Draft Ag Order 4.0.

June 16, 2020
Notice of September 10-11 and September 23-24 board meetings for discussion on Draft Ag Order 4.0.

  • Board meetings to include stakeholder presentations, staff presentations, public discussion of Draft Ag Order 4.0, and public comments received.
  • Board meeting to be in San Luis Obispo - information about whether these meetings will be face-to-face and/or remote participation coming soon.

February 21, 2020 (revised June 11, 2020)
The Central Coast Water Board has prepared a Draft Environmental Impact Report (EIR) and a Draft Agricultural Order 4.0 for the regulation of waste discharge from irrigated lands throughout the central coast region.

  • An electronic copy of the Draft EIR and Draft Agricultural Order 4.0 can be obtained from the Renewal of Agricultural Order (Ag Order 4.0) website.
  • Written comments are due June 22, 2020 by 11:59 PM and may be submitted via email to AgNOI@waterboards.ca.gov with either “Comments on Draft EIR” or “Comments on Draft Ag Order” in the subject line.


The Central Coast Water Board regulates discharges from irrigated agricultural lands to protect surface water and groundwater, using a permit called a Conditional Waiver of Waste Discharge Requirements that applies to owners and operators of irrigated land used for commercial crop production. The Central Coast Water Board is focusing on priority water quality issues, such as pesticides and toxicity, nutrients, and sediments – especially nitrate impacts to drinking water sources. Staff is prioritizing efforts in the major agricultural areas of the region - the Salinas River, Santa Maria, and Pajaro River watersheds.

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Facts and Information