R 325.10704e Total coliform; routine monitoring; community; serving 1,000 or fewer people; groundwater.

Rule 704e. (1) General total coliform rules routine monitoring requirements are all of the following: (a) This rule applies to community water supplies using only ground water, except ground water under the direct influence of surface water, as defined in R 325.10105 and 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 required by 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. (2) The monitoring frequency for total coliforms is 1 sample per month. Supplies shall not reduce monitoring frequency.