U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 141Subpart F - Subpart F—Maximum Contaminant Level Goals and Maximum Residual Disinfectant Level Goals
View all text of Subpart F [§ 141.50 - § 141.55]
§ 141.53 - Maximum contaminant level goals for disinfection byproducts.

MCLGs for the following disinfection byproducts are as indicated:

Disinfection byproduct MCLG
(mg/L)
Bromodichloromethanezero
Bromoformzero
Bromatezero
Chlorite0.8
Chloroform0.07
Dibromochloromethane0.06
Dichloroacetic acidzero
Monochloroacetic acid0.07
Trichloroacetic acid0.02
[63 FR 69465, Dec. 16, 1998, as amended at 65 FR 34405, May 30, 2000; 71 FR 478, Jan. 4, 2006]
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