Dark Waters is a 2019 American legal thriller film directed by Todd Haynes and written by Mario Correa and Matthew Michael Carnahan. The story dramatizes Robert Bilott's case against the chemical manufacturing corporation DuPont after they contaminated a town with unregulated chemicals. It stars Mark Ruffalo as Bilott, along with Anne Hathaway, Tim Robbins, Bill Camp, Victor Garber, Mare Winningham, William Jackson Harper, and Bill Pullman. The film is based on the 2016 New York Times Magazine article "The Lawyer Who Became DuPont's Worst Nightmare" by Nathaniel Rich. The story was first told in the 2007 book Stain-Resistant, Nonstick, Waterproof and Lethal: The Hidden Dangers of C8 by Callie Lyons, a Mid-Ohio Valley journalist who covered the controversy as it was unfolding. Parts of the story were also reported by Mariah Blake, whose 2015 article "Welcome to Beautiful Parkersburg, West Virginia" was a National Magazine Award finalist, and Sharon Lerner, whose series "Bad Chemistry" ran in The Intercept. Bilott also wrote a memoir, Exposure, detailing his 20-year legal battle against DuPont. Dark Waters had a limited theatrical release on November 22, 2019, by Focus Features, and went wide on December 6, 2019. The film received positive reviews from critics and has grossed over $23 million. Plot In 1999, Robert Bilott is a corporate defense lawyer from Cincinnati, Ohio working for the law firm Taft Stettinius & Hollister. Farmer Wilbur Tennant, who knows Robert's grandmother, asks Robert to investigate a number of unexplained animal deaths in Parkersburg, West Virginia. Tennant connects the deaths to the chemical manufacturing corporation DuPont, and gives Robert a large case of videotapes. Robert visits the Tennants' farm, where he learns that 190 cows have died of unusual medical conditions such as bloated organs, blackened teeth, and tumors. DuPont attorney Phil Donnelly tells him he is not aware of the case but will help out in any way he can. Robert files a small suit so he can gain information through legal discovery of the chemicals dumped on the site. When he finds nothing useful in the EPA report, he realizes the chemicals might not be regulated by the EPA. Robert confronts Phil at an industry event, leading to an angry exchange. DuPont sends Robert hundreds of boxes, hoping to bury the evidence. Robert finds numerous references to PFOA, a chemical with no references in any medical textbook. He then discovers that PFOA is perfluorooctanoic acid, used