pollutable
/pəˈl(j)uːtəbl/adjective
1Able to be polluted or contaminated, (now) especially of air, water, land, etc.; susceptible to pollution.
2That causes or is liable to cause pollution, (now) especially of the natural environment.
Origin
Mid 18th century; earliest use found in Truth Ascertained, & Error Confuted. From pollute + -able.