40 CFR § 440.140 - Applicability; description of the gold placer mine subcategory.
---identifier: "/us/cfr/t40/s440.140"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 440.140 - Applicability; description of the gold placer mine subcategory."title_number: 40title_name: "Protection of Environment"section_number: "440.140"section_name: "Applicability; description of the gold placer mine subcategory."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "N"subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"part_number: "440"part_name: "ORE MINING AND DRESSING 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), (c) and (e), 306, 307, and 501 of the Clean Water Act (The Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977 and the Water Quality Act of 1987), (the Act), 33 U.S.C. 1311, 1314(b), (c) and (e), 1316, 1317, and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4."regulatory_source: "47 FR 54609, Dec. 3, 1982, unless otherwise noted."cfr_part: "440"---
Identifier
/us/cfr/t40/s440.140
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Environmental Protection Agency
Authority
Secs. 301, 304(b), (c) and (e), 306, 307, and 501 of the Clean Water Act (The Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977 and the Water Quality Ac... Secs. 301, 304(b), (c) and (e), 306, 307, and 501 of the Clean Water Act (The Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977 and the Water Quality Act of 1987), (the Act), 33 U.S.C. 1311, 1314(b), (c) and (e), 1316, 1317, and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4.
# 440.140 Applicability; description of the gold placer mine subcategory.(a) The provisions of this subpart M are applicable to discharges from—(1) Mines and dredges that produce gold or gold bearing ores from placer deposits; and(2) The beneficiation processes which use gravity separation methods for recovering gold from placer deposits.(b) The provisions of this subpart M are not applicable to any mines or beneficiation processes which process less than 1500 cubic yards (cu yd) of ore per year, or to dredges which process less than 50,000 cu yd of ore per year, or to dredges located in open waters (*i.e.*, open bays, marine waters, or major rivers).