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Thursday, November 23, 2017

Federal and New Jersey State
Primary and Secondary Drinking Water Standards - 1/2002

Inorganics  
Contaminants Maximum Contaminant Level MCL[µg/l or ppb]
Antimony  6
Arsenic 5#
Asbestos 7x 106 fibers/l > 10µm
Barium  2000
Beryllium  4
Cadmium 5
Chromium 100
Copper  1300**[AL]
Cyanide  200
Fluoride 4000
Lead 15**[AL]
Mercury 2
Nickel +
Nitrate[as nitrogen]  10,000
Nitrite  1,000
[combined nitrate/nitrite 10,000
Selenium  50
Thallium  2
** An action level [AL] is not an MCL. It is a trigger point at which remedial action is to take place.
+  No MCL-Monitoring Required.
# Effective February 22, 2002
Synthetic Organic Compounds  
Contaminants MCL [µg/l or ppb]
Alachlor  2
Aldicarb +
Aldicarb Sulfone +
Aldicarb Sulfoxide +
Atrazine  3
Benzo[a]pyrene  0.2
Carbofuran  40
Chlordane  0.5*
Dalapon  200
Dibromochloropropane [DBCP]  0.2
Di[2-ethylhexyl]adipate  400
Di[2-ethylhexyl]phthalate  6
Dinoseb  7
Diquat  20
Endothall  100
Endrin  2
Ethylene dibromide [EDB]  0.05
Glyphosate  700
Heptachlor  0.4
Heptachlor Epoxide  0.2
Hexachlorobenzene  1
Hexachlorocyclopentadiene 50 50
Lindane  0.2
Methoxychlor  40
Oxamyl  200
PCBs  0.5
Pentachlorophenol  1
Picloram  500
Simazine  4
Toxaphene  3
2,3,7,8-TCDD [Dioxin]  3 X 10-5
2,4-D  70
2,4,5-TP [Silvex]  50
* N.J. MCL [A-280]  
+ No MCL-Monitoring Required
 
Volatile Organic Compounds  
Contaminants MCL [µg/l or ppb]
Benzene  1*
Carbon Tetrachloride  2*
meta-Dichlorobenzene  600*
ortho-Dichlorobenzene  600
para-Dichlorobenzene  75
1,1-Dichloroethane 50*
1,2-Dichloroethane  2*
1,1-Dichloroethylene  2*
cis-1,2-Dichloroethylene  70
trans-1,2-Dichloroethylene  100
1,2-Dichloropropane  5
Ethylbenzene  700
Methyl tertiary Butyl Ether 70*
Methylene Chloride  3*
Monochlorobenzene  50*
Naphthalene 300*
Styrene  100
1,1,2,2-Tetrachloroethane 1*
Tetrachloroethylene  1*
Toluene  1000
1,2,4-Trichlorobenzene  9*
1,1,1-Trichloroethane  30*
1,1,2-Trichloroethane  3*
Trichloroethylene  1*
Vinyl Chloride  2
Xylenes [total] 1000*
* N.J. MCL [A-280]  
Secondary Standards [primarily aesthetic]  
Physical Characteristics Recommended Upper Limit or Optimum Range
Color 10 color units (standard cobalt scale) 
pH 6.5 to 8.5 (optimum range)
Odor 3 Threshold odor number
Taste No objectional taste
Chemical Characteristics Recommended Upper Limit (mg/l or ppm)
ABS/L.A.S. 0.5
Aluminum  0.2
Chloride 250
Fluoride 2
Hardness (as CaCO3)  250
Iron 0.3
Manganese 0.05
Silver 0.1
Total dissolved solids 500
Zinc 5
Trihalomethanes    80µg/l[ppb] running annual average Total of Dichlorobromomethane, Chlorodibromomethane, Bromoform and Chloroform
Haloacetic Acids 60µg/l[ppb] running annual average Total of Monochloroacetic, Dichloroacetic, Trichloroacetic, Bromoacetic and Dibromoacetic acids
Bromate ( plants using ozone) 10µg/l[ppb] running annual average
Chlorite (plants using chlorine dioxide) 1,000µg/l[ppb] daily/follow up monitoring
Radionuclides: Combined radum 226/228  MCL is 5 picocuries /liter (pCi/l); gross alpha particle radioactivity [including radium 226 but excluding radon and uranium] MCL  is 15 pCi/l; beta/photon emitters MCL is  4  mrem/yr; effective December 8, 2003, Uranium will have an MCL of 30 µg/l
Turbidity  No more than 5% of the samples may exceed 0.3 NTU, nor any sample exceed 1 NTU
Coliform bacteria standards are based on the presence or absence of coliforms in a sample. The number of samples collected by a public water system is determined by the size of the population served. A system collecting at least 40 samples/month can have coliform in no more than 5% of the samples. A system collecting fewer than 40 samples/month can have no more than one coliform positive. Any number exceeding these amounts triggers an MCL exceedance. 

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