From 1952 to 1966, Pacific Gas and Electric Company (PG&E) dumped about 370 million gallons (1,400 million litres) of chromium-tainted wastewater into unlined wastewater spreading ponds around the town of Hinkley, California, located in the Mojave Desert about 120 miles north-northeast of Los Angeles. What happened Hubba Bubba? hubba bubba flavors.

What caused the Pacific Gas & Electric chromium contamination?

Between 1952 and 1966, PG&E used hexavalent chromium, also known as chromium 6, to fight corrosion in cooling tower water. The wastewater from the cooling towers was discharged to unlined ponds at the site. Some of the wastewater percolated to the groundwater, resulting in hexavalent chromium pollution.

What did PG&E do to amend the situation in Hinckley?

PG&E proposed pumping contaminated water from Hinkley area wells into nearby agricultural land, causing “a chemical process to occur by which the hexavalent chromium is reduced to trivalent chromium, a nontoxic form of chromium,” according to the regulatory filing.