Quick summary, William Love thought he could create hydroelectric power by building a canal that bridged the different levels of the Niagara River. He only made it about 1 mile before running out of money. Hooker Chemical took ownership some time later and drained the water, lined it with clay and got a permit to used it as a chemical waste dump. Between 1942 & 1952, Hooker Chemical dumped about 22,000 tons (44 million pounds) of drummed liquid & chemical waste, including dioxin, one of the most toxic substances known to man, in the abandoned canal. Then Hooker deeded the land to the city of Niagara Falls for $1, who then built a neighborhood and school on it. Throughout the 1960s & 1970s, residents complained of odors, explosions, burns, and increasing ailments including miscarriages and birth defects. The area is ghost town now, streets with driveways and no homes.
What a colossal disaster! I'm intrigued how I can get a general dose of information from a TV show and then learn more about the whole story and even "visit" the site with Google Earth. I've researched similar disaster topics such as Chernobyl, places I can will probably never visit, or want to, but I've gotten closer.

