APPLICATION OF MODIFIED WQI CANADIAN VERSION ON SHATT AL-ARAB RIVER

During the tidal cycles, water samples were collected monthly from four sites along the middle section of the Shatt Al-Arab River. (Spring & Neap Tide) from October 2021 – to August 2022 to determine eighteen parameters (Physical, Chemical and Biological) . Canadian Council of ministers of environment (CCME) was applied to assess the water quality for different uses. Result showed that most water parameters higher than the Iraqi permissible values that classified the water of the middle part of Shatt Al-Arab River as (Poor – Good) general purposes, although it was (Poor) for drinking. and (poor – marginal) for irrigation uses.