40 CFR § 417.194 - Pretreatment standards for existing sources.
---identifier: "/us/cfr/t40/s417.194"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 417.194 - Pretreatment standards for existing sources."title_number: 40title_name: "Protection of Environment"section_number: "417.194"section_name: "Pretreatment standards for existing sources."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "417"part_name: "SOAP AND DETERGENT MANUFACTURING POINT SOURCE CATEGORY"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "Secs. 301, 304 (b) and (c), 306 (b) and (c), and 307(c) of the Federal Water Pollution Control Act as amended, (the Act); 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c) and 1317(c), 86 Stat. 816 Pub. L. 92-500."regulatory_source: "39 FR 13372, Apr. 12, 1974, unless otherwise noted."cfr_part: "417"---
Identifier
/us/cfr/t40/s417.194
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Environmental Protection Agency
Authority
Secs. 301, 304 (b) and (c), 306 (b) and (c), and 307(c) of the Federal Water Pollution Control Act as amended, (the Act); 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c) and 1317(c), 86 Stat.... Secs. 301, 304 (b) and (c), 306 (b) and (c), and 307(c) of the Federal Water Pollution Control Act as amended, (the Act); 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c) and 1317(c), 86 Stat. 816 Pub. L. 92-500.
# 417.194 Pretreatment standards for existing sources.Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.| Pollutant or pollutant property | Pretreatment standard || --- | --- || pH | No limitation. || BOD | Do. || TSS | Do. || Oil and grease | Do. || COD | Do. || Surfactants | Do. |[40 FR 6443, Feb. 11, 1975, as amended at 60 FR 33956, June 29, 1995]