Statewide Mercury Program

Mercury in California's Waters – Other Mercury Programs in California

Total Maximum Daily Loads (TMDLs) for Mercury in our Waters

The Water Boards adopt and implement comprehensive pollution control plans, known as “total maximum daily loads,” or TMDLs. A TMDL identifies the amount of a pollutant that a water body can hold and still be safe for uses by humans and wildlife.

Completed Mercury TMDLs (including date approved by U.S. EPA)

Mercury TMDLs in Development

Fish Consumption Advisories and Other State Efforts to Address Health Effects of Mercury

The California Department of Public Health and the Office of Environmental Health Hazard Assessment are educating people who eat local fish, about the types and amounts of fish that are safe and unsafe to eat.

Women of childbearing years and children are most at risk from mercury poisoning. For more information, see Safety Tips for Women and Children and General Health Advice for People Catching and Eating Sport Fish in California.