Mississippi Administrative Code › Title 11 - Mississippi Department of Environmental Quality › Part 3 - Hazardous Waste Management Regulations › Chapter 5 - Mississippi Commission on Environmental Quality Groundwater Quality Standards › Rule 11-3-5.4 - Table 1 - Numerical Groundwater Standards

Current through June 25, 2024
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Contaminant
Standard (PPB)
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Alachlor
2
Aldicarb
3
Aldicarb Sulfone
-----------------------------------------------------------
2
----------------------
Aldicarb Sulfoxide
4
Antimony
6
Arsenic
50
Atrazine
-----------------------------------------------------------
3
----------------------
Barium
2,000
Benzene
5
Benzo(a) pyrene
-----------------------------------------------------------
0.2
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Beryllium
4
Cadmium
5
Carbofuran
-----------------------------------------------------------
40
----------------------
Carbon Tetrachloride
5
Chlordane
2
Chromium
100
Cyanide
200
2,4-D
70
Dalapon
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200
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Dibromochloropropane (DBCP)
0.2
o-Dichlorobenzene
600
p-Dichlorobenzene
-----------------------------------------------------------
75
1,2-Dichloroethane
5
1,1-Dichloroethylene
7
cis-1,2-Dichloroethylene
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70
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trans-1,2-Dichloroethylene
100
Dichloromethane (Methylene Chloride)
5
1,2-Dichloropropane
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5
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Di(2-ethylhexyl)adipate
400
Di(2-ethylhexyl)phthalate
6
Dinoseb
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7
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Diquat
20
Endothall
100
Endrin
-----------------------------------------------------------
2
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Ethylbenzene
700
Ethylene Dibromide (EDB)
0.05
Fluoride
-----------------------------------------------------------
4
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Glyphosate
700
Heptachlor
0.4
Heptachlor Epoxide
-----------------------------------------------------------
0.2
----------------------
Hexachlorobenzene
1
Hexachlorocyclopentadiene
50
Lead
50
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Lindane
----------------------
0.2
Mercury
2
Methoxychlor
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40
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Monochlorobenzene
100
Nickel
100
Nitrates (as N)
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10,000
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Nitrites (as N)
1,000
Nitrites & Nitrates (as N)
10,000
Oxamyl (Vydate)
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200
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Pentachlorophenol
1
PCB's
0.5
Picloram
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500
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Selenium
50
Silver
50
Simazine
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4
----------------------
Styrene
100
2,3,7,8-TCDD (Dioxin)
0.00003
2,4,5-TP
-----------------------------------------------------------
50
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Tetrachloroethylene
5
Thallium
2
Toluene
-----------------------------------------------------------
1,000
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Toxaphene
3
1,2,4-Trichlorobenzene
70
1,1,1-Trichloroethane
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200
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1,1,2-Trichloroethane
5
Trichloroethylene
5
Vinyl Chloride
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2
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Xylene
10,000