3745-81-11. Maximum contaminant levels and best available technologies for inorganic contaminants

(A) The following maximum contaminant levels (MCLs) for inorganic contaminants apply to all public water systems.

(B) The following MCLs for inorganic contaminants apply to all community and nontransient noncommunity public water systems.

(C) The following MCL for bromate applies to all community and nontransient noncommunity public water systems that treat their water with ozone.

(D) The following MCL for chlorite applies to all community and nontransient noncommunity public water systems that treat their water with chlorine dioxide.

(E) The director may determine that a public water system shall apply best available technology in order to reduce the level of a contaminant to below its MCL. The director identifies the following as the best available technologies (BATs) for removal of the following inorganic contaminants from water.

Five Year Review (FYR) Dates: 5/9/2019 and 05/09/2024
Promulgated Under: 119.03
Statutory Authority: 6109.04
Rule Amplifies: 6109.03, 6109.04
Prior Effective Dates: 12/27/1978, 03/01/1988, 09/13/1993, 01/01/2002, 08/01/2005, 02/22/2010

Prior History: (Five Year Review (FYR) Dates: 01/29/2015 and 01/29/2020
Promulgated Under: 119.03
Statutory Authority: 6109.04
Rule Amplifies: 6109.04
Prior Effective Dates: 12/27/78, 03/01/88, 09/13/93, 01/01/02, 08/01/05)