(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]


Tried the LawStack mobile app?

Join thousands and try LawStack mobile for FREE today.

  • Carry the law offline, wherever you go.
  • Download CFR, USC, rules, and state law to your mobile device.