40 CFR § 141.52
Maximum contaminant level goals for microbiological contaminants
June 9, 2020
(a) MCLGs for the following contaminants are as indicated:
Open Table
Contaminant | MCLG |
---|---|
(1) Giardia lamblia | zero |
(2) Viruses | zero |
(3) Legionella | zero |
(4) Total coliforms (including fecal) | zero |
coliforms and Escherichia coli | |
(5) Cryptosporidium | zero |
(6) Escherichia coli (E. coli) | zero |
(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.
[78 FR 10347, Feb. 13, 2013]