Office of Environmental Health Hazard Assessment

Water

All PHGs developed as of February 2015


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
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
1,2,3-Trichloropropane
0.0007
1,2,4-Trichlorobenzene
5
1,2-Dichlorobenzene
600
1,3-Dichloropropene (Telone II®)
0.2
1,4-Dichlorobenzene
6
2,4-Dichlorophenoxyacetic acid
20
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
0.007
Beryllium
1
Bromate
0.1
Cadmium
0.04
Carbofuran
1.7
Carbon Tetrachloride
0.1
Chlordane
0.03
Chlorite
50
Chlorobenzene
70
Chromium, Hexavalent
0.02
Copper
300
Cyanide
150
Dalapon
790
Dichloromethane
4
Diethylhexyl adipate
200
Diethylhexylphthalate (DEHP)
12
Dinoseb
14
Diquat
15
Endothall (updated 04/24/14)
94
Endrin
1.8
Ethylbenzene
300
Ethylene dibromide
0.01
Fluoride
1,000
Glyphosate
900
Gross Alpha Particle Activity
N/A
Gross Beta Particle Activity
N/A
Heptachlor
0.008
Heptachlor epoxide
0.006
Hexachlorobenzene
0.03
Hexachlorocyclopentadiene (updated 04/24/14)
2
Lead
0.2
Lindane
0.032
Mercury, inorganic
1.2
Methoxychlor
0.09
Methyl tertiary butyl ether (MTBE)
13
Molinate
1
N-Nitrosodimethylamine
0.003
Nickel
12
Nitrate
10,000 as N
Nitrate and Nitrite
10,000 as N
Nitrite
1,000 as N
Oxamyl
26
Pentachlorophenol
0.3
Perchlorate (updated 02/27/15)
1
Picloram
500
Polychlorinated Biphenyls (PCBs)
0.09
Radium-226
0.05 pCi/L
Radium-228
0.019 pCi/L
Selenium
30
Silvex
3
Simazine
4
Strontium-90
0.35 pCi/L
Styrene
0.5
2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)
0.00005 parts per trillion (ppt)
Tetrachloroethylene
0.06
Thallium
0.1
Thiobencarb
70
Toluene
150
Toxaphene
0.03
Trichloroethylene
1.7
Trichlorofluoromethane (Freon 11) (updated 04/24/14)
1,300
Trichlorotrifluoroethane (Freon 113)
4,000
Tritium
400 pCi/L
Uranium
0.5
Vinyl Chloride
0.05
Xylene
1,800

 

 
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