Current through Vol. 24-19, November 1, 2024
Section R. 325.10704f - Total coliform; routine monitoring; subpart H; serving 1,000 or fewer peopleRule 704f.
(1) General total coliform rules routine monitoring requirements are all of the following: (a) This rule applies to subpart H community and noncommunity water supplies serving 1,000 or fewer people.(b) Following a total coliform-positive sample taken under this rule, supplies shall comply with the repeat monitoring requirements and E. coli analytical requirements in R 325.10704h.(c) Once all monitoring under this rule and R 325.10704h for a calendar month has been completed, supplies shall determine whether 1 or more coliform treatment technique triggers in R 325.10704i have been exceeded. If a trigger has been exceeded, supplies shall complete assessments under R 325.10704i.(d) Seasonal supplies shall comply with both of the following: (i) Beginning April 1, 2016, all seasonal supplies shall complete the department-approved start-up procedure, which may include a requirement for startup sampling, and submit a certification to the department, before serving water to the public, that it has completed the department-approved start-up procedures.(ii) The department may exempt a seasonal supply from some or all of the requirements for seasonal supplies if the entire distribution system remains pressurized during the entire period that the supply is not operating.(2) Routine monitoring frequency for total coliforms. Subpart H supplies, including consecutive supplies shall monitor monthly. Supplies shall not reduce monitoring.Mich. Admin. Code R. 325.10704f
2015 MR 20, Eff. 10/16/2015