[Code of Federal Regulations] [Title 40, Volume 22] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR141.52] [Page 433] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 141_NATIONAL PRIMARY DRINKING WATER REGULATIONS--Table of Contents Subpart F_Maximum Contaminant Level Goals and Maximum Residual Disinfectant Level Goals Sec. 141.52 Maximum contaminant level goals for microbiological contaminants. 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. ------------------------------------------------------------------------ [54 FR 27527, 27566, June 29, 1989; 55 FR 25064, June 19, 1990; 63 FR 69515, Dec. 16, 1998]