R 325.11114
R 325.11114 Ground level gravity storage tanks.
Cite as Mich. Admin. Code R 325.11114
Rule 1114. (1) The bottom of a ground level gravity storage tank shall be above the
highest groundwater level.
(2) The bottom of a ground level gravity storage tank shall be located at least 1 foot above
the 100-year flood elevation or the maximum recorded flood elevation, whichever is
greater.
(3) The site of a ground level gravity storage tank shall be graded to direct surface
drainage away from the tank.