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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 141.503: What does subpart T require?

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER D—WATER PROGRAMS
  4. PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS
  5. Subpart T—Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People

There are seven requirements of this subpart, and you must comply with all requirements that are applicable to your system. These requirements are:

(a) You must cover any finished water reservoir that you began to construct on or after March 15, 2002 as described in §§ 141.510 and 141.511;

(b) If your system is an unfiltered system, you must comply with the updated watershed control requirements described in §§ 141.520-141.522;

(c) If your system is a community or non-transient non-community water systems you must develop a disinfection profile as described in §§ 141.530-141.536;

(d) If your system is considering making a significant change to its disinfection practices, you must develop a disinfection benchmark and consult with the State for approval of the change as described in §§ 141.540-141.544;

(e) If your system is a filtered system, you must comply with the combined filter effluent requirements as described in §§ 141.550-141.553;

(f) If your system is a filtered system that uses conventional or direct filtration, you must comply with the individual filter turbidity requirements as described in §§ 141.560-141.564; and

(g) You must comply with the applicable reporting and recordkeeping requirements as described in §§ 141.570 and 141.571.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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