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State Water Resources Control Board Notice of Initiation of Revised Manganese Notification and Response Levels

California Water Boards sent this bulletin at 09/04/2025 02:54 PM PDT

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California State Water Resources Control Board (SWRCB)

State Water Resources Control Board Notice of Initiation of Revised Manganese Notification and Response Levels

The State Water Board’s Division of Drinking Water (Division) has initiated the process for developing revised notification level and response levels for manganese.

An informational item on the proposed notification and response levels will be presented at the October 7, 2025, Board Meeting.

This process may result in proposed revised notification and response levels for manganese.

Additional information is available at the Division’s website at https://www.waterboards.ca.gov/drinking_water/certlic/drinkingwater/NotificationLevels.html.

Additional Information - Division of Drinking Water

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State Water Resources Control Board Notice of Initiation of Revised Manganese Notification and Response Levels

State Water Resources Control Board Notice of Initiation of Revised Manganese Notification and Response Levels

State Water Resources Control Board Notice of Initiation of Revised Manganese Notification and Response Levels

State Water Resources Control Board Notice of Initiation of Revised Manganese Notification and Response Levels