Researchers found that certain parts of the US are exposed to high levels of the toxin, putting the purity of local tap water ...

Several coastal areas in Mission Bay, La Jolla, Del Mar and Cardiff State Beach were under excessive bacteria advisories.

The lawn watering ban is still in effect going into the holiday weekend. Central Iowa Water Works said they need to see a sustained downward trend in nitrate before ...

Scientists found millions of Americans may be regularly exposed to dangerous levels of arsenic, and they may not even know it ...