WATER POLLUTANTS 

Drinking water standards of EPA, Safe Drinking Water Act, US Public Health Service in (1974), and American Water Works Association:*

Pollutant

Maximum Containment Level (MCL)
mg/liter or ppm

Arsenic       0.05
Bacteria 4/100mL
Barium       1.00
Benzene (organic)         0.005
Cadmium       0.01
Carbon Tetrachloride (organic)         0.005
Chloride 250.0
Coliform <1/100 mL
Color (platinum - cobalt scale) 15 units
Copper    1.0
Chromium (hexavalent)      0.05
Cyanide      0.01
1,1 Dichloreoethylene (organic)        0.007
1,2 Dichloreoethylene (organic)        0.005
Endrin (organic)          0.0002
Fluoride    4.0
Foaming agents    0.5
Iron (>0.3 makes red water)    0.3
Lead      0.05
Lindane (organic)        0.004
Manganese (>0.1 forms a brown-black stain      0.05
Mercury        0.002
Methoxychlor (organic)    0.1
Nitrate  10.0
Odor (threshold odor) 3
p-Dichlorobenzene (organic)        0.075
pH            6.5 - 8.5
Selenium     0.01
Silver     0.05
Sulfate (SO4) (>500 has a laxative affect)

            250.0

Total Dissolved Solids

            500.0

Texaphene (organic)      0.005
1, 1, 1 Trichloreothane (organic) 0.2
Trichloreoethylene (organic)     0.005
Trihalomethanes (organic) 0.1
Turbidity (silica scale)          1 to 5 TU
Vinyl Chloride (organic)    0.002
Zinc 5.0
2, 4 - D (organic) 0.1
2, 4, 5 - TP Silvex (organic)   0.01
RADIONUCLIDES:
Gross Alpha particle activity 15 pCi/L
Beta particle and photon radioactivity 4 mrem
Radium - 226 and Radium - 228 5 pCi/L

Exposures above safe limits may result in serious health problems from liver and kidney damage, high cancer risk, nervous system disorders, skin discoloration, hypertension, and a number of other problems.

* Disclaimer:  Not for official use.  Go to official information to assure accuracy.