40 CFR 141.562 - My system only has two or fewer filters—is there any special provision regarding individual filter turbidity monitoring?

Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025

View all text of Subpart T [§ 141.500 - § 141.571]

§ 141.562 - My system only has two or fewer filters—is there any special provision regarding individual filter turbidity monitoring?

Yes, if your system only consists of two or fewer filters, you may conduct continuous monitoring of combined filter effluent turbidity in lieu of individual filter effluent turbidity monitoring. Continuous monitoring must meet the same requirements set forth in § 141.560(a) through (d) and § 141.561.

authority: 42 U.S.C. 300f,300g,300g,300g,300g,300g,300g,300j,300j,and

source: 40 FR 59570, Dec. 24, 1975, unless otherwise noted.

cite as: 40 CFR 141.562