(a) MCLGs for the following contaminants are as indicated:
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]