40 CFR §420.08
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Permit and pretreatment control authorities may provide for increased loadings for non-process wastewaters defined at § 420.02 and for storm water from the immediate process area in NPDES permits and pretreatment control mechanisms using best professional judgment, but only to the extent such non-process wastewaters result in an increased flow.