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Thread: Water test concerns. Any opinions?

  1. #1
    DIY Member Designie's Avatar
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    Exclamation Water test concerns. Any opinions?

    I had my water tested recently and I am looking for some opinions on a couple of contaminants that were found. I believe they said that it is pretty hard water, very salty. But besides that, 3 volatile contaminants were found.

    The 3 contaminants were:

    Dichloromethane, Tetrahydrofuran and Xylene. My question is regarding the levels. I know in a perfect world there would be none of these detected, but are the levels found in my test of little concern or great concern? All 3 were barely above the minimum for detection. 0.003, 0.02, 0.002 mg/L respectively.

    Here are the test results:

    Aluminum ND mg/L 0.2 EPA Secondary 0.1
    Arsenic ND mg/L 0.01 EPA Primary 0.005
    Barium ND mg/L 2 EPA Primary 0.30
    Cadmium ND mg/L 0.005 EPA Primary 0.002
    Calcium 28.2 mg/L -- 2.0
    Chromium ND mg/L 0.1 EPA Primary 0.010
    Copper 0.013 mg/L 1.3 EPA Action Level 0.004
    Iron 0.066 mg/L 0.3 EPA Secondary 0.020
    Lead 0.002 mg/L 0.015 EPA Action Level 0.002
    Magnesium 12.50 mg/L -- 0.10
    Manganese 0.016 mg/L 0.05 EPA Secondary 0.004
    Mercury ND mg/L 0.002 EPA Primary 0.001
    Nickel ND mg/L -- 0.020
    Potassium 5.2 mg/L -- 1.0
    Selenium ND mg/L 0.05 EPA Primary 0.020
    Silica 9.460 mg/L -- 0.100
    Silver ND mg/L -- 0.002
    Sodium 514 mg/L -- 1
    Zinc 0.013 mg/L 5 EPA Secondary 0.004

    Physical Factors

    Alkalinity (Total) 210 mg/L -- 20
    Hardness 120 mg/L 100 NTL Internal 10
    pH 7.7 pH Units 6.5 to 8.5 EPA Secondary
    Total Dissolved Solids 1500 mg/L 500 EPA Secondary 20
    Turbidity 0.8 NTU 1 EPA Action Level 0.1

    Inorganic Analytes - Other

    Contaminant Results Units National Standards Min. Detection Level

    Chloride 620.0 mg/L 250 EPA Secondary 5.0
    Fluoride 1.7 mg/L 4 EPA Primary 0.5
    Nitrate as N ND mg/L 10 EPA Primary 0.5
    Nitrite as N ND mg/L 1 EPA Primary 0.5
    Ortho Phosphate ND mg/L -- 2.0
    Sulfate 170.0 mg/L 250 EPA Secondary 5.0
    Organic Analytes - Trihalomethanes
    Bromodichloromethane ND mg/L -- 0.002
    Bromoform ND mg/L -- 0.004
    Chloroform ND mg/L -- 0.002
    Dibromochloromethane ND mg/L -- 0.004
    Total THMs ND mg/L 0.08 EPA Primary 0.002

    Organic Analytes - Volatiles

    Status Contaminant Results Units National Standards Min. Detection Level

    1,1,1,2-Tetrachloroethane ND mg/L -- 0.002
    1,1,1-Trichloroethane ND mg/L 0.2 EPA Primary 0.001
    1,1,2,2-Tetrachloroethane ND mg/L -- 0.002
    1,1,2-Trichloroethane ND mg/L 0.005 EPA Primary 0.002
    1,1-Dichloroethane ND mg/L -- 0.002
    1,1-Dichloroethene ND mg/L 0.007 EPA Primary 0.001
    1,1-Dichloropropene ND mg/L -- 0.002
    1,2,3-Trichlorobenzene ND mg/L -- 0.002
    1,2,3-Trichloropropane ND mg/L -- 0.002
    1,2,4-Trichlorobenzene ND mg/L 0.07 EPA Primary 0.002
    1,2-Dichlorobenzene ND mg/L 0.6 EPA Primary 0.001
    1,2-Dichloroethane ND mg/L 0.005 EPA Primary 0.001
    1,2-Dichloropropane ND mg/L 0.005 EPA Primary 0.002
    1,3-Dichlorobenzene ND mg/L -- 0.001
    1,3-Dichloropropane ND mg/L -- 0.002
    1,4-Dichlorobenzene ND mg/L 0.075 EPA Primary 0.001
    2,2-Dichloropropane ND mg/L -- 0.002
    2-Chlorotoluene ND mg/L -- 0.001
    4-Chlorotoluene ND mg/L -- 0.001
    Acetone ND mg/L -- 0.01
    Benzene ND mg/L 0.005 EPA Primary 0.001
    Bromobenzene ND mg/L -- 0.002
    Bromomethane ND mg/L -- 0.002
    Carbon Tetrachloride ND mg/L 0.005 EPA Primary 0.001
    Chlorobenzene ND mg/L 0.1 EPA Primary 0.001
    Chloroethane ND mg/L -- 0.002
    Chloromethane ND mg/L -- 0.002
    cis-1,2-Dichloroethene ND mg/L 0.07 EPA Primary 0.002
    cis-1,3-Dichloropropene ND mg/L -- 0.002
    DBCP ND mg/L -- 0.001
    Dibromomethane ND mg/L -- 0.002
    Dichlorodifluoromethane ND mg/L -- 0.002
    Dichloromethane 0.003 mg/L 0.005 EPA Primary 0.002
    EDB ND mg/L -- 0.001
    Ethylbenzene ND mg/L 0.7 EPA Primary 0.001
    Methyl Tert Butyl Ether ND mg/L -- 0.004
    Methyl-Ethyl Ketone ND mg/L -- 0.01
    Styrene ND mg/L 0.1 EPA Primary 0.001
    Tetrachloroethene ND mg/L 0.005 EPA Primary 0.002
    Tetrahydrofuran 0.02 mg/L -- 0.01
    Toluene ND mg/L 1 EPA Primary 0.001
    trans-1,2-Dichloroethene ND mg/L 0.1 EPA Primary 0.002
    trans-1,3-Dichloropropene ND mg/L -- 0.002
    Trichloroethene ND mg/L 0.005 EPA Primary 0.001
    Trichlorofluoromethane ND mg/L -- 0.002
    Vinyl Chloride ND mg/L 0.002 EPA Primary 0.001
    Xylenes (Total) 0.002 mg/L 10 EPA Primary 0.001

    Does anyone have an opinion on how much I should be concerned about these contaminants and to what I degree I should try to treat them?

    Thanks in advance.

    Ron.

  2. #2
    That's all folks! Gary Slusser's Avatar
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    IMO you shouldn't be concerned with anything below the EPA minimum, the minimum detectable limit isn't what is important..
    Gary Slusser Retired (= out of business)
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