R 325.10831
R 325.10831 New or reconditioned well; disinfection; water samples.
Cite as Mich. Admin. Code R 325.10831
Rule 831. (1) A new or reconditioned well or pump installation or well facility which is
opened for maintenance or inspection shall be pumped to waste until the water is as clear
as reasonably possible. Thereafter, the well and pumping equipment shall be properly
disinfected.
(2) Before placing a new or reconditioned well or a well facility which is opened for
maintenance or inspection into service, all of the following shall occur:
(a) Testing shall show the water to be free of chlorine before collection of each
bacteriologic sample.
(b) Not fewer than 2 consecutive water samples for bacteriological analyses shall be
collected from the well or well facility 24 hours apart, unless an alternate interval is
approved by the department.
(c) Each analysis shall not indicate the presence of coliform. Analyses for other
contaminants may be required by the department.