StacksVerified U.S. regulatory reference

40 CFR §429.64

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
For purpose of this new source performance standard only, “new source” means a source which is constructed at a site at which no other source covered by this part is located. Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants into navigable waters.