40 CFR § 141.53 - Maximum contaminant level goals for disinfection byproducts.

---
identifier: "/us/cfr/t40/s141.53"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 141.53 - Maximum contaminant level goals for disinfection byproducts."
title_number: 40
title_name: "Protection of Environment"
section_number: "141.53"
section_name: "Maximum contaminant level goals for disinfection byproducts."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "D"
subchapter_name: "WATER PROGRAMS"
part_number: "141"
part_name: "NATIONAL PRIMARY DRINKING WATER REGULATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 300f, 300g-1, 300g-2, 300g-3, 300g-4, 300g-5, 300g-6, 300j-4, 300j-9, and 300j-11."
regulatory_source: "40 FR 59570, Dec. 24, 1975, unless otherwise noted."
cfr_part: "141"
---


# 141.53 Maximum contaminant level goals for disinfection byproducts.

MCLGs for the following disinfection byproducts are as indicated:

| Disinfection byproduct | MCLG(mg/L) |
| --- | --- |
| Bromodichloromethane | zero |
| Bromoform | zero |
| Bromate | zero |
| Chlorite | 0.8 |
| Chloroform | 0.07 |
| Dibromochloromethane | 0.06 |
| Dichloroacetic acid | zero |
| Monochloroacetic acid | 0.07 |
| Trichloroacetic acid | 0.02 |

[63 FR 69465, Dec. 16, 1998, as amended at 65 FR 34405, May 30, 2000; 71 FR 478, Jan. 4, 2006]