Office of Environmental Health Hazard Assessment

Water

All PHGs developed as of April 2014


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
1,2,3-Trichloropropane
0.0007
1,2,4-Trichlorobenzene
5
1,2-Dichlorobenzene(updated 08/13/09)
600
1,3-Dichloropropene (Telone II®) (updated 12/22/06)
0.2
1,4-Dichlorobenzene
6
2,4-Dichlorophenoxyacetic acid (updated 01/02/09)
20
Alachlor
4
Aluminum
600
Antimony
20
Arsenic
0.004
Asbestos
7x106 fibers/L
Atrazine
0.15
Barium
2,000
Bentazon (updated 09/28/09)
200
Benzene
0.15
Benzo[a]pyrene (updated 09/16/10)
0.007
Beryllium
1
Bromate
0.1
Cadmium (updated 12/22/06)
0.04
Carbofuran
1.7
Carbon Tetrachloride
0.1
Chlordane (updated 12/22/06)
0.03
Chlorite
50
Chlorobenzene (updated 04/24/14)
70
Chromium, Hexavalent
0.02
Copper (updated 02/08/08)
300
Cyanide
150
Dalapon (updated 06/19/09)
790
Dichloromethane
4
Diethylhexyl adipate
200
Diethylhexylphthalate (DEHP)
12
Dinoseb (updated 06/17/10)
14
Diquat
15
Endothall (updated 04/24/14)
94
Endrin (updated 10/10/08)
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 (updated 04/24/14)
2
Lead (updated 04/24/09)
0.2
Lindane (updated 06/22/05)
0.032
Mercury, inorganic (updated 06/01/05)
1.2
Methoxychlor (updated 09/16/10)
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 (updated 04/24/09)
26
Pentachlorophenol (updated 04/24/09)
0.3
Perchlorate
6
Picloram
500
Polychlorinated Biphenyls (PCBs)
0.09
Radium-226
0.05 pCi/L
Radium-228
0.019 pCi/L
Selenium
30
Silvex (updated 04/24/14)
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 (updated 11/16/04)
0.1
Thiobencarb
70
Toluene
150
Toxaphene
0.03
Trichloroethylene (updated 7/09/09)
1.7
Trichlorofluoromethane (Freon 11) (updated 04/24/14)
1,300
Trichlorotrifluoroethane (Freon 113) updated 02/11/11
4,000
Tritium
400 pCi/L
Uranium (updated 08/17/01)
0.5
Vinyl Chloride
0.05
Xylene
1,800

 

 
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