(February 1, 2019, 2:18 PM EST) -- NEW YORK — Environmental groups on Jan. 30 sued the Environmental Protection Agency in the U.S. District Court for the Southern District of New York, seeking to compel the agency to perform nondiscretionary duties under the Safe Drinking Water Act (SDWA) for its “failure to implement the SDWA as envisioned by Congress” (Waterkeeper Alliance Inc., et al. v. United States Environmental Protection Agency, et al., No. 19-899, S.D. N.Y.)....