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87 FR 48694

United States v. Metropolitan St. Louis Sewer District, No. 4:07-CV-01120 (E.D. Mo. Aug. 5, 2022). A proposed amendment to a 2012 consent decree allows settling CWA defendants to replace two combined sewer overflow (CSO) storage tunnels with one larger CSO storage tunnel to accommodate overflows from all of the outfalls related to the original two CSO storage tunnels.

87 FR 48659

EPA announced a proposed settlement in a CWA lawsuit alleging that the Agency failed to prepare and publish proposed water quality standards for mercury pollution to protect aquatic life following its disapproval of Idaho's related water quality standard revisions in 2008; the settlement requires the Agency to publish proposed aquatic life mercury criteria for Idaho within 18 months.