R 325.10704f
R 325.10704f Total coliform; routine monitoring; subpart H; serving 1,000 or fewer people.
Cite as Mich. Admin. Code R 325.10704f
Rule 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.