July 1rst 2014 - Revisions effectiv on 7/1/14

§ 64431 California Regulations related to Drinking Water



"Maximum Contaminant Levels Inorganic Chemicals


Chemical Maximum Contaminant Level, mg/L

Aluminum 1.
Antimony 0,006
Arsenic 0,010
Asbestos 7 MFL*
Barium 1.
Beryllium 0,004
Cadmium 0,005
Chromium 0,05
Cyanide 0,15
Fluoride 2.0
Hexavalent chromium 0,010
Mercury 0,002
Nickel 0,1
Nitrate (as NO3) 45.
Nitrate+Nitrite 10.
(sum as nitrogen)
Nitrite (as nitrogen) 1.
Perchlorate 0,006
Selenium 0,05
Thallium 0,002

* MFL=million fibers per liter; DLR for fibers exceeding 10 um in length."
Page 110 of the regulation code
http://www.cdph.ca.gov/certlic/drinkingwater/Documents/Lawbook/dwregulations-2014-07-01.pdf

from: http://www.cdph.ca.gov/certlic/drinkingwater/Pages/Lawbook.aspx


Source: http://agriculturedefensecoalition....nt/sonoma-county-ca-drinking-water-tests


As there are values which are declared of being maximum contaminant levels there are also values which are declared as a limit of reporting an occurrence of an inorganic chemical at all.

They are called Detection Limits for Purposes of Reporting (DLRs) for regulated inorganic chemicals which values can be read in Table 64432-A in § 64432 of the California Regulations relating Drinking water on Page 112.