Air permukaan, karena letaknya pada tempat yang relatif terbuka, cenderung lebih mudah terkontaminasi atau tercemar, baik secara fisik, kimiawi, mikrobiologis, maupun radiologis
Surface water, due to its location in the relatively open places, tend to be more easily contaminated or polluted, either physically, chemically, microbiologically or radiological
Surface water, since it is located in a relatively open, are more likely to be contaminated or polluted, whether physical, chemical, microbiological, and radiological