Flooding stirs up river sediments, which can spread contaminants in our waterways and floodplains. Flood water can carry sediments bearing contaminants from a range of sources, both historical and new, such as sewage, petrol stations, industrial yards and farming areas. This is worrying many people whose homes and gardens have been hit by repeated floods across eastern Australia.
Click here for original story, What’s in the mud? Flood victims’ fears eased by early test results
Source: Phys.org