When drinking a contaminated water source, some people are left with cancer, according to a new study.

Researchers in Australia found people who drank the tap water with contaminated water from a construction site in Sydney’s inner-north were more likely to have stomach cancer, urinary tract infections and lung cancer than those who did not.

The study, published in the Australian Journal of Epidemiology, is based on the results of a similar study in Australia that found people living in areas with a high prevalence of cancer were more than twice as likely to be drinking contaminated drinking water.

The research was conducted in the Sydney suburb of Northcote.

Researchers found that people who lived in areas of high levels of cancer risk were drinking drinking tap water that was contaminated with bacteria that can cause bladder cancer, lung cancer, and colorectal cancer.

“In addition to these cancer-related effects, the results suggest that drinking tap-water with potentially cancer-contaminated contaminants may increase the risk of cancers in the gastrointestinal tract,” the researchers wrote in the study.

The findings also raise questions about the advisability of drinking water from construction sites.

Researchers said the study did not prove the contaminants were harmful.

“We have not found any link between drinking water and cancer, but it’s a good idea to ensure that people are aware of the potential risks,” Dr. Mark Gartrell, an epidemiologist with the Australian Centre for Environmental Health Research and the study’s lead author, told ABC News.

The Sydney study was one of three published in 2016 that looked at the effects of drinking contaminated water on cancer rates in a small sample of people.

The other two studies involved a similar question: Did drinking water lead to a higher risk of developing coloreclitis, a chronic disease that causes inflammation of the intestines.

The study did find that drinking the water with colorecomas-caused bacteria increased the risk.