ST. PETER, Minn. -- Residents of St. Peter, Minn., pay high rates for drinking water because it takes extra equipment to remove the unhealthy levels of nitrates from its groundwater. When nitrates ...

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 ...

EMBARRAS RIVER, Ill., May 12 (UPI) --Agricultural runoff often results in large concentrations of phosphorous and nitrates making their way into local waterways. But new research suggests wetlands can ...

According to a paper published recently on Chemical Communications, Prof. MENG Guowen's group from the Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy ...

A low-cost method of removing phosphates from tile drainage water has been developed, and may help protect lakes and streams. Using steel byproducts to trap phosphates in simulated tile drainage water ...

Des Moines, site of the world's largest nitrate-removal facility, last year dumped an estimated 13,500 pounds of the chemical back into the river, sending it downstream where other cities and towns ...

*Refers to the latest 2 years of omaha.com stories. Cancel anytime. DES MOINES — Most of the water-treatment departments that remove nitrates from Iowans’ drinking water dump the chemical back into ...