Public Hearing to accept verbal comments for rulemaking to amend Article 4.9
The California State Lands Commission will host a virtual public hearing on Wednesday, July 16 at 10:00 a.m. PDT to accept verbal public comments on the rulemaking action to amend Article 4.9 of Chapter 1, Division 3 of Title 2 of the California Code of Regulations.
Amendments to Article 4.7 of Chapter 1, Division 3, Title 2 of the California Code of Regulations
The California State Lands Commission is implementing an emergency rule that amends Article 4.7 of Chapter 1, Division 3 of Title 2 of the California Code of Regulations. The emergency rule was effective starting on June 18, 2025.
Amendments to Article 4.9 of Chapter 1, Division 3 of Title 2 of the California Code of Regulations
The California State Lands Commission proposes to amend Article 4.9 of Chapter 1, Division 3 of Title 2 of the California Code of Regulations. The purpose of this proposed regulatory action is to amend the administrative enforcement process for violations of the Marine Invasive Species Act. Please find information about the proposed amendments at the links below.
California’s Golden Mussel Response Framework
On April 16, the California Department of Fish and Wildlife, California State Parks, and Department of Water Resources announced the release of the Golden Mussel Response Framework. This framework was developed in response to the recent detection of golden mussel (Limnoperna fortunei) in the Sacramento-San Joaquin Delta.
2025 Biennial Report on the Marine Invasive Species Program
This is the twelfth biennial report to the California Legislature, and it summarizes California Marine Invasive Species Program (MISP) activities from January 1, 2022, through December 31, 2023. 2025 Biennial Report on the Marine Invasive Species Program ...
2025 Marine Invasive Species Program Updates
Annual letter to shipping agents and interested parties to provide information about new regulations and reminders about reporting requirements.
Information for Vessels Arriving at California Ports
Information Sheets Program Information (February 2024) Vessel Vectors of Non-Indigenous Species (February 2024) Ballast Water Management (December 2024) Biofouling Management (November 2023) Reporting and Recordkeeping (May 2025) Sample Ballast Water Log Biofouling...
Other Invasive Species Programs & Partners
Marine Invasive Species Program Agencies In collaboration with the Commission, the following entities implement and support the Marine Invasive Species Program. California Department of Fish and Wildlife, Office of Spill Prevention and Response (Monitoring Program)...
2024 Marine Invasive Species Program Updates
Annual letter to shipping agents and interested parties to provide information about new regulations and reminders about reporting requirements.
Peer-reviewed Journal Publications
The Marine Invasive Species program published its third peer-reviewed scientific journal article this year. The article, published in the Journal Frontiers in Marine Science through a collaboration with the University of Maryland, New Zealand EPA, and Safinah Group in the UK, focused on biofouling and the environmental consequences of cleaning ships while in the water.