53.2. The person in charge of a water treatment facility serving more than 5,000 persons and at least 1 residence must hold, not later than 8 March 2017, and thereafter every 5 years, an attestation from a professional, to the effect that the treatment facilities meet the requirements of sections 5, 5.1, 6, 8, 9, 9.1 and 22 of this Regulation. The attestation must be made available to the Minister for at least 5 years.