Waters of some wells at Almuqdadea region Diyala province, east of Iraq have been compared with wells at Alfalluja region, Alanbar province west of Iraq. Five wells were selected randomly at each of the two regions to measure several factors represented by temperature (C), P H , Electric Conductivity (EC), Sodium (Na),Calcium (Ca), Magnesium (Mg),Total Hardness (TH), Carbonate (Co3),Chloride (Cl), Nitrite (NO2), Nitrate (NO3) Phosphate (PO4) Sulfate (So4), in addition to the heavy metals such

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... Chromium (Cr), Cadmium (Cd) Lead (Pb) & Iron (Fe). The mean concentration of the above factors in water of wells at the above regions had been measured during the period from April to September (2010). Results of the present study revealed that all the heavy metals concentrations were less than the sensitivity of the atomic absorption equipment with the exception of (Fe) which recorded 0.358 ppm and 0.026 ppm at Alfalluja and Almuqdadea respectively. Results of the present study were compared with the criteria used by (WHO) and (FAO). Results of the present study revealed that all the metals concentration were undetectable by atomic absorption equipment with the exception of (Fe) which recorded 0.358 ppm and 0.026 ppm at Alfalluja and Almuqdadea respectively. The results showed that all concentrations recorded in the present study were accepted with the international criteria used by the above organizations except for EC, NO3, TH, and Na from Alfalluja wells as their levels were (2.208 m/sm,1.506 546.5 ppm, 3.53 gm/l) respectively. The unacceptable data from Almuqdadea wells were represented by EC, TH, Mg and Na where their levels were (1170MGS\SM, 512.86ppm, 213.34ppm, 2.31gm\L) respectively. Finally the results showed that there were similarities in the concentrations of some factors studied in the present project in the wells of the same area and in some factors at both areas of study.