40 CFR 141.501 - Who is subject to the requirements of subpart T?

Regulations last checked for updates: Feb 13, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026

§ 141.501 - Who is subject to the requirements of subpart T?

You are subject to these requirements if your system:

(a) Is a public water system;

(b) Uses surface water or GWUDI as a source; and

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 141.501