Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
§ 443.13 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable:

Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—
Metric units (kg/cu m of runoff)
TSS0.0230.015
Oil and grease0.0150.010
pH( 1)( 1)
English units (lb/1,000 gal of runoff)
TSS0.1880.125
Oil and grease0.1250.083
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

authority: Secs. 301, 304 (b) and (c), 306 (b) and (c) and 307(c), Federal Water Pollution Control Act, as amended (the Act); 33 U.S.C. 1251,1311,1314,1316,1317,86. 816
source: 40 FR 31191, July 24, 1975, unless otherwise noted.
cite as: 40 CFR 443.13