40 CFR § 1700.29 - Non-oily machinery wastewater.
---
identifier: "/us/cfr/t40/s1700.29"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1700.29 - Non-oily machinery wastewater."
title_number: 40
title_name: "Protection of Environment"
section_number: "1700.29"
section_name: "Non-oily machinery wastewater."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY AND DEPARTMENT OF DEFENSE; UNIFORM NATIONAL DISCHARGE STANDARDS FOR VESSELS OF THE ARMED FORCES"
part_number: "1700"
part_name: "UNIFORM NATIONAL DISCHARGE STANDARDS FOR VESSELS OF THE ARMED FORCES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1322, 1361."
regulatory_source: "64 FR 25134, May 10, 1999, unless otherwise noted."
cfr_part: "1700"
---
# 1700.29 Non-oily machinery wastewater.
The discharge of non-oily machinery wastewater must not contain any additives that are toxic or bioaccumulative in nature, and under no circumstances may oils, including oily mixtures, be discharged in quantities that:
(a) Cause a film or sheen upon or discoloration of the surface of the water or adjoining shorelines; or
(b) Cause a sludge or emulsion to be deposited beneath the surface of the water or upon adjoining shorelines; or
(c) Contain an oil content above 15 ppm as measured by EPA Method 1664a or other appropriate method for determination of oil content as accepted by the International Maritime Organization (IMO) (*e.g.,* ISO Method 9377) or U.S. Coast Guard; or
(d) Otherwise are harmful to the public health or welfare of the United States.