Office of Environmental Health Hazard Assessment

Water

All PHGs developed as of February 08, 2008

Chemical
(follow links below to download a copy of the PHG document)
California PHG (ppb)
   
1,1-Dichloroethane
3
1,1-Dichloroethylene
10
1,1,1-Trichloroethane
1000
1,2-Dibromo-3-chloropropane
0.0017
1,2-Dichloroethane (updated 09/16/05)
0.4
1,2-Dichloroethylene, cis
100
1,2-Dichloroethylene, trans
60
1,2-Dichloropropane
0.5
1,1,2-Trichloroethane
0.3
1,1,2,2-Tetrachloroethane
0.1
1,2,4-Trichlorobenzene
5
1,2-Dichlorobenzene
600
1,3-Dichloropropene (Telone II®) (updated 12/22/06)
0.2
1,4-Dichlorobenzene
6
2,4-Dichlorophenoxyacetic acid
70
Alachlor
4
Aluminum
600
Antimony
20
Arsenic
0.004
Asbestos
7x106 fibers/L
Atrazine
0.15
Barium
2,000
Bentazon
200
Benzene
0.15
Benzo[a]pyrene
0.004
Beryllium
1
Cadmium (updated 12/22/06)
0.04
Carbofuran
1.7
Carbon Tetrachloride
0.1
Chlordane (updated 12/22/06)
0.03
Chlorobenzene
200
Chromium (total)
withdrawn
Copper (updated 02/08/08)
300
Cyanide
150
Dalapon
790
Dichloromethane
4
Diethylhexyl adipate
200
Diethylhexylphthalate (DEHP)
12
Dinoseb
14
Diquat
15
Endothall
580
Endrin
1.8
Ethylbenzene
300
Ethylene dibromide
0.01
Fluoride
1,000
Glyphosate (updated 06/29/07)
900
Gross Alpha Particle Activity
N/A
Gross Beta Particle Activity
N/A
Heptachlor
0.008
Heptachlor epoxide
0.006
Hexachlorobenzene
0.03
Hexachlorocyclopentadiene
50
Lead
2
Lindane (updated 06/22/05)
0.032
Mercury, inorganic (updated 06/01/05)
1.2
Methoxychlor
30
Methyl tertiary butyl ether (MTBE)
13
N-Nitrosodimethylamine
0.003
Nickel
12
Nitrate
10,000 as N
Nitrate and Nitrite
10,000 as N
Nitrite
1,000 as N
Oxamyl
50
Pentachlorophenol
0.4
Perchlorate
6
Picloram
500
Polychlorinated Biphenyls (PCBs)
0.09 ppb
Radium-226
0.05 pCi/L
Radium-228
0.019 pCi/L
Silvex
25
Simazine
4
Strontium-90
0.35 pCi/L
Tetrachloroethylene
0.06
Thallium (updated 11/16/04)
0.1
Thiobencarb
70
Toluene
150
Toxaphene
0.03
Trichloroethylene
0.8
Trichlorofluoromethane (Freon 11)
700
Trichlorotrifluoroethane (Freon 113)
4,000
Tritium
400 pCi/L
Uranium
0.5
Vinyl Chloride
0.05
Xylene
1,800

 

 
 
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