Nucor Sues Under Clean Air Act to Halt $1.3 Billion Big River Steel Mill in Arkansas

Nucor Corp., the most valuable U.S. steel maker, sued to block construction of a $1.3 billion steel mill in Arkansas, accusing developer Big River Steel LLC of violating obligations under the Clean Air Act (NucorSteel-Arkansas v. Big River Steel LLC, E.D. Ark., No. 14-193).

Pollutants from the planned mill would harm the air quality in Arkansas’ Mississippi County, including at a Nucor facility there, according to a 50-page complaint filed Aug. 7 in federal court in Jonesboro, Ark.

“If the air quality goes down, the productivity of Nucor’s workforce will likewise go down, hindering Nucor’s ability to generate ...