On March 19, 2025, EPA issued a Clean Water Act (CWA) administrative order (Order) to Four-In-One Co., Inc. of Chelmsford, Massachusetts for failure to submit discharge monitoring reports (DMRs) pursuant to their CWA National Pollutant Discharge Elimination System (NPDES) permit. Four-In-One Co., Inc. was authorized to discharge under the Noncontact Cooling Water General Permit (NCCWGP). The Order requires the permittee to submit all outstanding DMRs and continue to report as required by their permit. EPA is responsible for implementing the Clean Water Act in Massachusetts. EPA notified the Massachusetts Department of Environmental Protection of these actions.