Welcome to Dare County ... land of beginnings

 Home | DirectoryContact Us | Comments | Links  

Board of Commissioners | Financial Info Legals | Forms | Employment  | Calendar  | LaserFiche  |  Services

County Seal

Text Menu

County Seal

Dare County Water Department 

County Seal

HomeHistoryFAQMission and Services

RAW SHALLOW WELL & FINISHED ANION WATER TESTING

March 23, 2007
 
CHEMICAL RAW 
SHALLOW
 WELL WATER
FINISHED 
ANION

WATER
MCL
P - Alkalinity as CaCO3, mg/l 0 0 N/A
Total Alkalinity CaCO3, mg/l 320 320 N/A
Bicarbonate as HCO3, mg/l 150 150 N/A
Carbonate as CO3, mg/l 0 0 N/A
Hydroxide as OH, mg/l 0 0 N/A
Total Hardness as CaCO3, mg/l 240 240 150*
Calcium Hardness as CaCO3, mg/l 60 60 N/A
Magnesium as CaCO3, mg/l 180 180 N/A
Calcium as Ca, mg/l 60 60 60.0*
Color, C. U. (Color Units) 45 0 15*
Silica as SiO2, mg/l 2 2 N/A
Conductivity as µS/cm 686 662 N/A
Iron, Fe mg/l 0.46 0.11 0.300*
Potassium K, mg/l 7.97 2.20 N/A
Copper, Cu, mg/l < 0.070 < 0.070 1.300^
Manganese, Mn mg/l 0.068 0.021 0.050*
Phosphate as PO4, mg/l 0.24 0.22 5.00*
Chloride as Cl2, mg/l 70 70 250.0*
Fluoride, F, mg/l 0.28 0.28 2.00* 4.00^
Nitrate as NO3, mg/l 0 0 10.00^
Zinc, Zn, mg/l 0.72 0.12 5.000*
Chlorine (free CL2), mg/l 0.0 1.1 0.20@ 4.00^
Lead, Pb, mg/l < 0.005 < 0.005 0.015^
Corrosiveness -0.6 -0.06 N/A
pH 7.20 7.23 6.5-8.5#
pHs 7.86 8.82 N/A
Turbidity, NTU 0.85 0.01 1.0^
Total Suspended Solids, mg/l ----- ----- N/A
Total Dissolved Solids, mg/l 411 397 500*
Sulfate as SO4, mg/l 0.48 0.08 250.0*
Sodium, Na, mg/l 32.5 36.0 250.00^
Sulfide as S, mg/l 0 0 N/A

MCL - Maximum Contaminant Level    mg/L = parts per million (ppm)     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 March 26, 2007

Site Index | Homeland Security | Privacy Statement | Accessibility