---
kind: "section"
citation: "40 C.F.R. § 141.52"
title: "40"
number: "141.52"
heading: "Maximum contaminant level goals for microbiological contaminants."
url: "https://uscodex.org/cfr/40/141.52"
---

# §141.52. Maximum contaminant level goals for microbiological contaminants.

- (a) **MCLGs for the following contaminants are as indicated—**
- (b) **The MCLG identified in paragraph (a)(4) of this section is applicable until March 31, 2016.** The MCLG identified in paragraph (a)(6) of this section is applicable beginning April 1, 2016.

## Notes

### Amendments

[78 FR 10347, Feb. 13, 2013]

### Authority

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.

### Source

Source: 40 FR 59570, Dec. 24, 1975, unless otherwise noted.

### Amendments

[78 FR 10347, Feb. 13, 2013]