Contaminant Inorganic Chemicals | Maximum Contaminant Level in Milligrams/Liter |
Antimony | 0.006 |
Arsenic | 0.01 |
Barium | 2.0 |
Beryllium | 0.004 |
Cadmium | 0.005 |
Chromium ( total) | 0.1 |
Fluoride | 4.0 |
Lead1 | 0.015 |
Mercury | 0.002 |
Nickel2 | 0.1 |
Nitrate | 10.0 |
Selenium | 0.05 |
Silver3 | 0.1 |
Thallium | 0.002 |
Volatile Organic Chemicals | |
Benzene | 0.005 |
Carbon Tetrachloride | 0.005 |
1,2-Dichloroethane | 0.005 |
1,1-Dichloroethylene | 0.007 |
cis-1,2-Dichloroethylene | 0.07 |
trans-1,2,-Dichloroethylene | 0.1 |
O-Dichlorobenzene | 0.6 |
1,4-Dichlorobenzene | 0.075 |
Dichloromethane (methylene chloride) | 0.005 |
1,2-Dichloropropane | 0.005 |
Ethylbenzene | 0.7 |
Monochlorobenzene | 0.1 |
Styrene | 0.1 |
Tetrachlorethylene | 0.005 |
Toluene | 1.0 |
1,1,1-Trichloroethane | 0.20 |
1,1,2-Trichloroethane | 0.005 |
Trichloroethylene | 0.005 |
Trihalomethanes (total) | 0.1 |
Vinyl Chloride | 0.002 |
Xylenes | 10.0 |
Organic Chemicals | |
Alachlor | 0.002 |
Aldicarb | 0.003 |
Aldicarb sulfoxide | 0.004 |
Aldicarb sulfone | 0.002 |
Atrazine | 0.003 |
Benzo(a)pyrene | 0.0002 |
Carbofuran | 0.04 |
Chlordane | 0.002 |
2,4-D | 0.07 |
Dalapon | 0.2 |
1,2-Dibromo-3-chloropropane | 0.0002 |
Di (ethylhexy)adipate | 0.4 |
Di (ethylhexyl)phthalate | 0.006 |
Dinoseb | 0.007 |
Diquat | 0.02 |
Endothall | 0.1 |
Endrin | 0.002 |
Ethylene dibromide | 0.00005 |
Glyphosate | 0.7 |
Heptachlor | 0.0004 |
Heptachlor epoxide | 0.0002 |
Hexachlorobenzene | 0.001 |
Hexachlorocyclopentadiene (HEX) | 0.05 |
Lindane | 0.0002 |
Methoxychlor | 0.04 |
Oxamyl (Vydate) | 0.2 |
Pentachlorophenol | 0.001 |
Picloram | 0.5 |
Polychlorinated biphenyls (PCB) | 0.0005 |
Simazine | 0.004 |
Toxaphene | 0.003 |
2,4,5 TP (Silvex) | 0.05 |
1,2,4-Trichlorobenzene | 0.07 |
1 Action level concentration obtained from TN Division of Water Supply rule 1200-05-01-.33(1)(c) 1.
2 MCL value obtained from TN Division of Water Supply rule 1200-05-01-.06(1)(b) 11.
3 MCL value obtained from TN Division of Water Supply rule 1200-05-01-.12(1)(n). (EPA Secondary Drinking Water Standard)
All other values are MCLs currently applicable under the National Primary Drinking Water Regulations.
Tenn. Comp. R. & Regs. 1200, 1200-01, ch. 1200-01-07, 1200-01-07-.04, app III
Authority: T.C.A. §§ 4-5-201, et seq., 68-203-103(b)(3), 68-211-102(a), 68-211-105(b), 68-211-105(c), 68-211-105(g), 68-211-106(a)(1), 68-211-107, 68-211-107(a), 68-211-111(d), 68-211-111(d)(1), 68-211-111(d)(2), 68-211-851(a), 68-211-852, 68-211-853, and 68-211-861.