No. Milk and milk product containers, piping and appurtenances are subject to regulatory standards and requirements for safe human consumption. These standards also serve to prevent discharges to waters of the U.S.
Additional information about the exemption for milk and milk product containers, associated piping, and appurtenances is available at the following URL:
www.epa.gov/oil-spills-prevention-and-preparedness-regulations/milk-exemption-under-spcc-rule