Click on the image above for location of abandoned oil wells in south Orange County California. Childhood cancer clusters linked to tainted water supplies are documented historical events in small American towns, most notably in Hinkley California , Toms River, New Jersey , Hillcrest New York , Wilmington, Massachusetts , and Woburn, Massachusetts . These cases typically involve industrial pollutants or crude oil leaking into local groundwater or municipal wells over many years. The Sins of Our Grandfathers Who Polluted the Drinking Water! The Hinkley, California water contamination involved the dumping of 370 million gallons of wastewater tainted with hexavalent chromium by Pacific Gas and Electric (PG&E) between 1952 and 1966. Legal clerk Erin Brockovich uncovered the corporate negligence, leading to a historic $333 million class-action settlement on July 2, 1996. Click on the image above for location of abandoned oil wells in California. My private investigation into cancer ...