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Indiana Administrative Code (Last Updated: December 20, 2016) |
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Title 327. WATER POLLUTION CONTROL DIVISION |
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Article 327IAC8. PUBLIC WATER SUPPLY |
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Rule 327IAC8-2. Drinking Water Standards |
Section 327IAC8-2-34. Maximum contaminant level goals; inorganic contaminants
Latest version.
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MCLGs for the following contaminants are as indicated:
Contaminant
MCLG in Milligrams per Liter
Fluoride
4.0
Asbestos
7 million fibers per liter (longer than 10 micrometers)
Barium
2
Cadmium
0.005
Chromium
0.1
Copper
1.3
Lead
0
Mercury
0.002
Nitrate
10 (as nitrogen)
Nitrite
1 (as nitrogen)
Total nitrate + nitrite
10 (as nitrogen)
Selenium
0.05
Antimony
0.006
Arsenic
01
Beryllium
0.004
Cyanide (as free cyanide)
0.2
Nickel
0.1
Thallium
0.0005
1This value for arsenic is effective January 1, 2006. Until then, there is no MCLG.
(Water Pollution Control Division; 327 IAC 8-2-34; filed Aug 24, 1994, 8:15 a.m.: 18 IR 67; filed Jun 13, 2005, 2:30 p.m.: 28 IR 3218)