Code of Federal Regulations · Section

§ 141.520 — Is My System Subject To The Updated Watershed Control Requirements?

40 C.F.R. § 141.520

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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.

40 C.F.R. § 141.511 40 C.F.R. § 141.521

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