Ecological Systems and Devices Annotation << Back River’s surface water pollution monitoring of Primorje region Senotrusova S.V. Pollution of superficial waters of the rivers proceeding through industrial cities of Primorje region was analysed. The hydrochemical index of superficial waters pollution of was designed. It reflected development’s intensity of economic activities of the person. The majority of the rivers of territory concerns to the polluted waters. The greatest contribution to pollution of natural waters of region phenols, heavy metals, NH4, NO32. They grow out economic – household drains