Marine Invasive Species Program (MISP)

Oakland CraneThe California Marine Invasive Species Program is charged with preventing or minimizing the introduction of nonindigenous species to California Waters from vessels over 300 gross registered tons, capable of carrying ballast water. MISP Information Sheet.


About the Marine Invasive
Species Program

Laws and Regulations

Compliance and Reporting Documents

Reports and Presentations

Monitoring and Research

Outside Links

Contact Us

What's New

  • Notice of Modification to Text of Proposed Amendments to Article 4.8 (Updated December 30, 2011)
    The California State Lands Commission is hereby providing notice of changes made to proposed amendments of regulations for the management of biofouling for vessels operating in California waters. Upon consideration of written and oral testimony received during the initial public comment period (September 16, 2011 - November 21, 2011) staff has revised the proposed regulations. The Commission will accept written comments on the proposed changes for 30 days starting on December 30, 2011 and ending at 5:00 pm on January 28, 2012.
    • Notice of Modification to Text of Proposed Regulations PDF
    • Revised Text of Proposed Regulations PDF

  • Public Hearing for Amendments to Article 4.8 to be held November 16, 2011 at 10:30 am (Updated November 2, 2011)
    The California State Lands Commission will hold a Public Hearing to accept oral or written comments on the proposed amendments to Article 4.8: Biofouling Regulations for Vessels Operating in California Waters.  The Public Hearing has been scheduled for November 16, 2011 at 10:30 a.m. at the Elihu M. Harris State Building, 1515 Clay Street, Room 10, Oakland CA, 94612.
    • Notice of Public Hearing PDF

  • Extension of Public Comment Period for Proposed Amendments to Article 4.8 (Updated September 30, 2011)
    The California State Lands Commission will extend the public comment period to 66 days, for the proposed rulemaking: Amendments to Article 4.8.  The public comment period will now close at 5:00 pm on November 21, 2011.   The original Notice of Proposed Regulatory Action specified a 45-day comment period.
    • General Interest Notice: Notice of Extension of Public Comment Period PDF

  • Proposed Rulemaking: Amendments to Article 4.8 (Updated December 30, 2011)
    The proposed rule would amend Article 4.8: Biofouling Regulations for Vessels Operating in California Waters, as required by Public Resources Code (PRC) Section 71204.6.  The proposed rule would establish performance standards for biofouling management, set record keeping and reporting requirements, and establish inspection or cleaning requirements for very high risk vessels remaining in a port, place, or shared waters for ninety days or greater.
    • Notice of Modification to Text of Proposed Regulations PDF
    • Revised Text of Proposed Regulations PDF
    • Notice of Public Hearing PDF
    • 66-Day Public Comment Period: September 16, 2011 - November 21, 2011
    • Letter to Interested Parties PDF
    • Notice of Extension of Public Comment Period PDF
    • Notice of Proposed Rulemaking PDF Word
    • Proposed Regulatory Text PDF Word
    • Initial Statement of Reasons PDF Word
    • Link to Additional Rulemaking Documents

  • 2011 Update: Ballast Water Treatment Systems for Use in California Waters (Updated September 14, 2011)
    On September 1, 2011, the California State Lands Commission was presented an informational report assessing the efficacy, availability and environmental impacts of currently available ballast water treatment technologies. This report was requested by the Commission as an update to the August 2010 legislatively-mandated assessment report, to ensure that technologies were developing to allow for the implementation of California's performance standards for vessels with a ballast water capacity greater than 5000 MT for which construction begins on or after January 1, 2012.
    PDF Word

  • 2011 Biennial Report of the California Marine Invasive Species Program (Updated December 23, 2010)
    On December 10, 2010, the California State Lands Commission approved the 2011 Biennial Report of the California Marine Invasive Species Program (MISP).  This report fulfills the mandate set forth in Public Resources Code Section 71212 and summarizes the activities of the MISP from July 2008 through June 2010. PDF Word
  • Presentations from Marine Invasive Species Program Sessions at Prevention First 2010 (Updated December 2, 2010)
    On October 19th and 20th, the CSLC held Prevention First 2010 in Long Beach, CA: “An Onshore and Offshore Pollution Prevention Symposium and Technology Exhibition”. The Marine Invasive Species Program moderated four sessions with presentations ranging from ballast water treatment technologies and testing, vessel fouling and antifouling strategies, and ship-mediated introductions on the U.S. west coast. Selected presentations are available here.

  • Effective November 25, 2010: Amended Regulation: Article 4.7 Performance Standards for the Discharge of Ballast Water for Vessels Operating in California Waters (Updated November 9, 2010)
    On October 26, 2010, the California Office of Administrative Law approved amendments to California’s performance standards regulations. The rulemaking adopts Section 2297.1 and establishes the requirement for vessels with ballast water treatment systems to submit forms about the installation, maintenance and use of the treatment systems. There are two forms. The “Ballast Water Treatment Technology Annual Reporting Form” must be submitted once annually and asks general information about the type of system on board each vessel. The second form, the “Ballast Water Treatment Supplemental Reporting Form,” is to be submitted following the discharge of treated ballast into California waters.

    • Letter to Shipping Industry PDF Word
    • Regulatory Text of Amended Article 4.7 (Attachment A) PDF Word
    • Ballast Water Treatment Technology Annual Reporting Form (Attachment B) PDF
    • Ballast Water Treatment Supplemental Reporting Form (Attachment C) PDF

  • 2010 Assessment of the Efficacy, Availability and Environmental Impacts of Ballast Water Treatment Systems for Use in California Waters (Updated September 7, 2010)
    On August 20, 2010, the State Lands Commission approved the Marine Invasive Species Program’s 2010 report assessing the availability of ballast water treatment technologies for use in California waters. The report summarizes Commission conclusions on the advancement of ballast water treatment technology development and discusses progress by Commission staff in implementing California’s performance standards for the discharge of ballast water. The report does not constitute an endorsement or approval of any treatment system or system manufacturer. PDF Word

For Additional Information About the California State Lands Commission's Marine Invasive Species Program Contact:

Lynn Takata, (916) 574-0236, Environmental Program Manager
Nicole Dobroski ,(916) 574-0742
Jackie Mackay, (562) 499-6312

California Relay Service:
From TDD Phone ... (800) 735-2933 | From Voice Phone ... (800) 735-2929