40 CFR §424.57
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The following limitations establish the quantity or quality of pollutants or pollutant properties, which may be discharged by a point source subject to the provisions of this subpart after application of the best conventional pollutant control technology: There shall be no discharge of process waste water pollutants to navigable waters.