Mecklenburg County Water Quality Report-June 2018
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Definition and Legend

This informational water quality report compares the actual test result to national standards as defined in the EPA’s Primary and Secondary Drinking Water Regulations.

Mecklenburg County Water Quality Report-April 2015
Definition and Legend

This informational water quality report compares the actual test result to national standards as defined in the EPA’s Primary and Secondary Drinking Water Regulations.

  • Image
    The contaminant was not detected in the sample above the minimum detection level.
  • Image
    The contaminant was detected at or above the minimum detection level, but not above the referenced standard.
  • Image
    These results may be invalid.
  • Image
    The contaminant was detected above the standard, which is not an EPA enforceable MCL.
  • Image
    The contaminant was detected above the EPA enforceable MCL.
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 Status Contaminant Results Units National Standards Min. Detection Level
Inorganic Analytes – Metals
Aluminum ND mg/L 0.2 EPA Secondary 0.1
  Arsenic ND mg/L 0.010  EPA Secondary 0.005
  Barium ND mg/L 2  EPA Secondary 0.30
  Cadmium ND mg/L 0.005  EPA Secondary 0.002
  Calcium 10.3 mg/L  __ 2.0
  Chromium ND mg/L 0.1  EPA Secondary 0.010
Copper 0.005 mg/L 1.3

EPA Action Level

0.004
  Iron ND mg/L 0.3  EPA Secondary 0.020
  Lead ND mg/L 0.15  EPA Action Level 0.002
ND mg/L __  EPA Action Level 0.001
  Magnesium 1.80 mg/L __ 0.10
Manganese 0.005 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

1.7 mg/L __  EPA Primary 1.0
  Selenium ND mg/L 0.05  EPA Primary 0.020
  Silver ND mg/L 0.100  EPA Secondary 0.002
  Sodium 3 mg/L __ 1
  Strontium 0.033 mg/L __ 0.001
ND mg/L 0.002 0.001
ND mg/L 0.030 0.001
Zinc 0.005 mg/L 5  EPA Secondary 0.004
Physical Factors
Alkalinity (Total as CaCO3) ND mg/L __ 20
  Hardness 32 mg/L 100 NTL Internal 10
pH 8.4 pH Units 6.5 to 8.5 EPA Secondary
  Total Dissolved Solidsds 31 mg/L 500 EPA Secondary 20
Inorganic Analytes – Other
  Bromate ND mg/L 0.010 EPA Primary 0.005
Bromide ND mg/L __ EPA Primary 0.5
Chloramine (Field) ND mg/L __ 0.1
Chloride 5.4 mg/L 250 EPA Secondary 5.0
Chlorine-Free (Field)) ND mg/L __ 0.05
Chlorine-Total (Fiel)d) ND mg/L __ 0.1
Chlorite ND mg/L 1.0 EPA Primary 0.005
Fluoride 0.6 mg/L 4.0 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 8.0 mg/L 250 EPA Secondary 5.0
Organic Analytes – Trihalomethanes
  Bromodichloromethane 0.010 mg/L __ 0.002
Bromoform ND mg/L __ 0.004
Chloroform 0.062 mg/L __ 0.002
Dibromochloromethane ND mg/L __ 0.004
Total THMs 0.072 mg/L 0.080 EPA Primary 0.002
Organic Analytes – Haloacetic Acids

Dibromoacetic Acid

ND mg/L 0.010 0.001

Dichloroacetic Acid

0.020 mg/L __ 0.001
 

Monobromoacetic Acid

ND mg/L __ 0.001
 

Monochloroacetic Acid

0.002 mg/L __ EPA Secondary 0.001
 

Trichloroacetic Acid

0.008 mg/L __ 0.001
 

Total HAAs

0.030 mg/L 0.060 0.001
Organic Analytes – Volatiles
  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 ND 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 ND 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) ND mg/L 10 10 EPA Primary 0.001
Organic Analythes – Others
  2,4-D ND mg/L 0.07 EPA Primary 0.010
  Alachlor ND mg/L 0.002 EPA Primary 0.001
Aldrin ND mg/L __ 0.002
Atrazine ND mg/L 0.003 EPA Primary 0.002
  Chlordane ND mg/L 0.002 EPA Primary 0.001
  Dichloran ND mg/L __ 0.002
  Dieldrin ND mg/L __ 0.001
  Endrin ND mg/L 0.002 EPA Primary 0.0001
  Heptachlor ND mg/L 0.0004 EPA Primary 0.0004
  Heptachlor Epoxide ND mg/L 0.0002 EPA Primary 0.0001
  Hexachlorobenzene ND mg/L 0.001 EPA Primary 0.0005
  Hexachlorocyclopentadiene ND mg/L 0.05 EPA Primary 0.001
  Lindane ND mg/L 0.0002 EPA Primary 0.0002
  Methoxychlor ND mg/L 0.04 EPA Primary 0.002
  Pentachloronitrobenzene ND mg/L __ 0.002
  Silvex 2,4,5-TP ND mg/L 0.05 EPA Primary 0.005
  Simazine ND mg/L 0.004 EPA Primary 0.002
  Total PCBs ND mg/L 0.0005 EPA Primary 0.0005
  Toxaphene ND mg/L 0.003 EPA Primary 0.001
  Trifluralin ND mg/L __ 0.002

We certify that the analyses performed for this report are accurate, and that the laboratory tests were conducted by methods approved by the U.S. Environmental Protection Agency or variations of these EPA methods.

These test results are intended to be used for informational purposes only and may not be used for regulatory compliance.

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