California water agencies could be required to spend millions of dollars to remove hexavalent chromium if the California Office of Environmental Health Hazard Assessment draft health goal of 0.06 parts per billion is adopted.
A study by the California Dept. of Health Services survey of 7,000 drinking water sources showed a third contained levels of at least 1 microgram per liter of chromium 6, a possible carcinogen made famous by a lawsuit successfully argued by environmental activist attorney Erin Brockovich.