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Dare County Water Department 

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SKYCO WATER PLANT
RAW, FINISHED,& DISTRIBUTED ANALYSIS

Raw Water: Well water before any treatment
Finished Water: Treated water stored in the ground reservoir prior to delivery to customers.
Distributed Water: Product water after it has left our 2 MG storage tank.


November 2008
CHEMICAL WELL WATER
RAW
WELL WATER FINISHED DISTRIBUTED WATER QUALITY MCL
P - Alkalinity as CaCO3, mg/l 0 0 0 N/A
Total Alkalinity CaCO3, mg/l 258 258 256 N/A
Bicarbonate as HCO3, mg/l 315 315 312 N/A
Carbonate as CO3, mg/l 0 0 0 N/A
Hydroxide as OH, mg/l 0 0 0 N/A
Total Hardness as CaCO3, mg/l 144 86 44 150*
Calcium Hardness as CaCO3, mg/l 110 80 34 N/A
Magnesium as CaCO3, mg/l 34 6 10 N/A
Calcium as Ca, mg/l 44 32 13.6 60.0*
Color, C. U. (Color Units) 4 5 5 15*
Silica as SiO2, mg/l 30.7 28.5 29.8 N/A
Conductivity as µS/cm 717 738 749 N/A
Iron, Fe mg/l 0.18 0.03 0.03 0.300*
Potassium, K, mg/l 13.5 9.0 6.5 N/A
Copper, Cu, mg/l < 0.07 < 0.070 < 0.070 1.300^
Manganese, Mn mg/l 0.10 0.08 0.03 N/A
Phosphate as PO4, mg/l 0.45 1.17 1.34 5.00*
Chloride as Cl2, mg/l 74 76 86 250.0*
Fluoride, F, mg/l 0.11 1.02 0.99 2.00*
4.00^
Nitrate as NO3, mg/l 0.8 0.5 0.8 10.00^
Zinc, Zn, mg/l 0.02 0.01 0.02 5.000*
Chlorine (free CL2), mg/l 0.02 0.04 0.41 0.20@
4.00^
Lead, Pb, mg/l < 0.005 < 0.005 < 0.005 0.015^
Corrosiveness 0.274 0.133 -0.231 N/A
pH 7.9 7.9 7.9 6.5-8.5#
pHs 7.5 7.7 8.1 N/A
Turbidity, NTU 0.50 0.47 0.48 1.0^
Total Suspended Solids, mg/l 0.1 0.3 0.3 N/A
Total Dissolved Solids, mg/l 349 358 365 500*
Sulfate as SO4, mg/l 0.00 0.00 0.00 250.0*
Sodium, Na, mg/l 44.07 114.60 135.04 250.00^
Sulfide as S, mg/l 0.00 0.00 0.00 N/A
Temperature (Deg. F-) 64° 64° 65° N/A

MCL - Maximum Contaminant Level    mg/L - Milligrams Per Liter   N/A - Not Available/No Limit

*Recommended Maximum   @ Mandatory Minimum   ^Mandatory Maximum   # Mandatory Range

Click Here For an Explanation for Each Of These Chemical Tests

Page last updated on November 24, 2008

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