As Central Iowa Water Works imposes a lawn-watering ban to help ensure member utilities have the capacity to treat high levels of nitrates in their source water, some central Iowans are eyeing the ...

The University of Iowa Water Plant will soon begin using a reverse-osmosis system to treat water in response to increasing nitrate levels in the Iowa River. The EPA caps nitrate allowed in utility ...

Reverse osmosis systems remove nitrates and other contaminants from water by forcing it through a membrane. Home reverse osmosis systems are increasing in sales due to high nitrate levels in central ...