Radioactive I-131 has been detected in tap (drinking) water in these US cities:
Detroit, MI
Boise, ID
L.A., CA
Denver, CO
Helena, MT
Trenton, NJ
Waretown, NJ
Niagra Falls, NY
Cincinnati, OH
Columbus, OH
Harrisburg, PA
Columbis, PA
Philadelphia, PA
Pittsburgh, PA
Chattanooga, TN
Richland, WA
Muscle Shoals, AL
View all US cities' radiation levels here
Once again, we encourage all readers to take steps to protect their families from the devastating effects of radiation NOW. Again, please see the following article for in depth recommendations of how to protect your loved ones. Long Term Effects of Low Level Radiation and How to Prevent Them