Elevated nitrate levels in the Des Moines and Raccoon rivers prompted Central Iowa Water Works to start up its nitrate removal system this month. A network of water quality sensors shows a similar ...

Add Yahoo as a preferred source to see more of our stories on Google. As Central Iowa Water Works imposes a lawn-watering ban to help ensure member utilities have the capacity to treat high levels of ...

Denitrification bioreactors are engineered systems designed to remove nitrate from contaminated waters, particularly those influenced by agricultural practices. By utilising a solid carbon ...

Central Iowa Water Works says the nitrate removal facility is still running Monday.

PRATT —Nitrate pollution has forced a central Kansas town to shut off two wells that make up nearly one-quarter of its total permissible water supply. The state of Kansas will help Pratt afford the ...

High nitrates levels are back in the Des Moines and Raccoon Rivers.