C.F.R. » Title 40 » CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY › SUBCHAPTER D—WATER PROGRAMS › PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS › Subpart T—Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People

40 C.F.R. § 141.520

Is my system subject to the updated watershed control requirements?

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If you are a subpart H system serving fewer than 10,000 persons which does not provide filtration, you must continue to comply with all of the filtration avoidance criteria in § 141.71, as well as the additional watershed control requirements in § 141.521.