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MCLs, DLRs and PHGs for Regulated Drinking Water Contaminants <br />Last Update: December 31, 2009 <br />a. A draft CA PHG of 0.0007 mg /L was published in 2009 <br />b. For informational purposes only - -no action needed at this time <br />c. A draft CA PHG of 0.0005 mg /L was published in 2008 <br />d. A draft CA PHG of 0.000013 mg /L was published in 2009 <br />e. A draft CA PHG of 1 x10 -9 mg /L was published in 2007 <br />f. Draft CA PHGs for individual trihalomethanes were published in 2009 <br />" OEHHA's review of this chemical during the year indicated (rev200X) resulted in no <br />change in the PHG. <br />"` Surface water systems only <br />75A -15 <br />State <br />MCL <br />DLR <br />PHG or <br />MCLG <br />Date of <br />PHG <br />Bromate <br />0.010 <br />0.005 <br />0.0001 <br />2009 <br />Chlorite <br />1 <br />0.02 <br />0.05 <br />2009 <br />Microbiological Contaminants TT = Treatment Technique) <br />Coliform % positive samples <br />% <br />5 <br />(zero) <br />Cryptosporidium— <br />TT <br />(zero) <br />Giardia Lamblia <br />TT <br />(zero) <br />Legionella <br />TT <br />(zero) <br />Viruses <br />TT <br />(zero) <br />a. A draft CA PHG of 0.0007 mg /L was published in 2009 <br />b. For informational purposes only - -no action needed at this time <br />c. A draft CA PHG of 0.0005 mg /L was published in 2008 <br />d. A draft CA PHG of 0.000013 mg /L was published in 2009 <br />e. A draft CA PHG of 1 x10 -9 mg /L was published in 2007 <br />f. Draft CA PHGs for individual trihalomethanes were published in 2009 <br />" OEHHA's review of this chemical during the year indicated (rev200X) resulted in no <br />change in the PHG. <br />"` Surface water systems only <br />75A -15 <br />