Latest News

Safe fishing advisory for Donner Lake.  The advisory is based on mercury or PCBs.

For information relating to biotoxins from harmful algal blooms (HABs) that may be found in California water bodies, see below.

OEHHA made a non-substantive reference change to the draft Public Health Goal for hexavalent chromium.

Notice of intent to list MON 4660 (dichloroacetyl-1-oxa-4-azaspiro(4.5)decane), MON 13900 (furilazole), and pymetrozine as known to the State to cause cancer via the authoritative bodies listing mechanism.

OEHHA announces a 15-day extension of the public comment period for the draft Public Health Goal for hexavalent chromium.

Announcement of First Public Comment Period and Workshop Draft Technical Support Document on Proposed Public Health Goal for Perchlorate in Drinking Water

Draft public health goal (PHG) of 1 part per billion (ppb) for perchlorate in drinking water.

Public comment period on the proposal to establish a specific regulatory level posing no significant risk for 4-methylimidazole and amend Title 27, California Code of Regulations, section 25705.

4-Methylimidazole (4-MEI) is listed effective January 7, 2011 as known to the state of California to cause cancer.

Proposal to establish a specific regulatory level posing no significant risk for 4-methylimidazole (4-MEI) of 16 ug/day

OEHHA announces a second public comment period for the draft Public Health goal for hexavalent chromium in drinking water.