California, a state where drinking water is contaminated by fecal matter, has long been criticized for its water treatment methods, which often contain chemicals that have been linked to cancer.

But now, there’s another problem with water treatment that can pose a threat to public health: chlorine.

The state’s water supply has been contaminated by chemicals that are known to be toxic to human health, according to the Center for Biological Diversity.

In February, a federal judge ordered the state to provide the group with the most up-to-date information about its water quality, including levels of disinfectant and disinfection disinfectants, as well as the use of chlorine.

But that wasn’t the end of the story.

A new study found that levels of chlorine in water supplies in some areas of California were higher than the national average, and it could also be the result of improper water treatment practices.

The study, conducted by researchers at the University of Southern California and the California Institute of Technology, looked at the levels of a variety of chemicals in groundwater wells in Southern California.

The researchers found that concentrations of chloramines (a chemical used in the production of chlorinated water) were higher in some regions of the state, compared to other regions.

Chlorine has been linked in some studies to elevated cancer rates in humans, but the Center’s study found a connection between chloramines and the increased cancer risk.

The researchers concluded that the increase in cancer rates could be due to “the high level of chlorine-containing disinfectant used in water treatment plants.”

The study found chloramines in water at levels that were higher on average than in water from the same source in New Jersey, the study’s lead author, Dr. Sarah Wintemute, told the Los Angeles Times.

“We think that chloramines are more likely to be present in groundwater than in surface water because of the higher concentrations of chlorine present in surface and groundwater groundwater,” Winte said.

“So the more chloramines that are present in a groundwater source, the higher the concentration of chlorine.”

The findings, which were published in the journal Environmental Science and Technology, come as California continues to grapple with a public health crisis.

In the last year alone, there have been more than 3,000 deaths linked to drinking water contamination in California, according a report by the state’s Department of Health and Human Services.

In March, Gov.

Gavin Newsom announced that his administration would begin to clean up water that has been polluted by fracking, the process that involves injecting thousands of gallons of water underground into deep wells and then injecting it back into the ground.