40 CFR 141.560 - Is my system subject to individual filter turbidity requirements?
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If your system is a subpart H system serving fewer than 10,000 people and utilizing conventional filtration or direct filtration, you must conduct continuous monitoring of turbidity for each individual filter at your system. The following requirements apply to continuous turbidity monitoring:
(a) Monitoring must be conducted using an approved method in § 141.74(a);
(d) Monthly reporting must be completed according to § 141.570; and
(e) Records must be maintained according to § 141.571.
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.