R 325.1611
R 325.1611 Application of rules to existing water supplies.
Cite as Mich. Admin. Code R 325.1611
Rule 111. (1) When extensive changes or repairs are made to a water supply system that
was constructed before the effective date of these amendatory rules, the changes or repairs
shall be in compliance with the provisions of these rules unless a deviation is issued
pursuant to the provisions of R 325.1613. Extensive changes include replacing the entire
casing, removing a casing from the ground, or changing aquifers.
(2) Upgrading a water supply system to conform with these rules is not required when
minor repairs to the system occur, such as any of the following:
(a) Replacing a telescoped well screen.
(b) Changing screen elevation.
(c) Deepening or plugging back a bedrock well.
(d) Installing a liner pipe.
(e) Replacing a pump, controls, pump drop pipe, or pressure tank.
(f) Chemical treatment of the well or well disinfection.