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The major ions chemistry characterizations of the Ismailia Canal water were determined by the purpose
of identifying the different geochemical processes and the suitability of the water resources for irrigation,
drinking portability. Piper diagram detects that the surface canal water mixed with contaminated water
where there is a general tendency towards no dominant cation water type and bicarbonates are the
dominant ions in all the samples analyzed in the Ismailia Canal with a certain modification of the hydrochemical
types. This modification of the water is due to non points and points sources of pollution. Ca-
Mg-Na-HCO3 is the dominant hydro-chemical type of the Ismailia canal water in the study area.
Calculated values of the sodium adsorption ratio (SAR), Sodium ratio (%Na), Magnesium ratio and
residual sodium carbonate (RSC) show that all of the Ismailia Canal water is of acceptable irrigation
quality limits. In conclusion, the canal water types had resulted from mixing of different types of different
complex physic-chemical processes..
Key words: Hydro-chemical, Water quality, Ismailia Canal, Pollution.