On August 9, 2023, the U.S. Environmental Protection Agency (EPA) filed an administrative order, concerning Old Dutch Mustard Co., Inc. d/b/a Pilgrim Foods, Inc. (Pilgrim Foods), requiring it to immediately cease all unauthorized discharges to waters of the United States. Pilgrim Foods is a manufacturer of vinegar and mustard products in Greenville, NH. In May 2023, a NH Department of Environmental Services (NH DES) river crew observed a discharge and conducted follow up inspections, relating to Pilgrim Foods. EPA has found that Pilgrim Foods violated Section 301(a) of the Clean Water Act, by discharging pollutants, in the form of low pH discharges, from a riprap-lined swale, which is a point source, to the Souhegan River, which is a waters of the US, without permit authorization. Pilgrim Foods is not located within one mile of any census block groups for which any of the EJSCREEN EJ Indexes are above the 80th percentile nationally. EPA notified New Hampshire of this AO.