Manitoba Wildlands  
Commission to Re-examine Nitrogen Removal 01 October 08

MB CEC logoThe Manitoba government has requested its Clean Environment Commission (CEC) to take a second look at nitrogen removal from wastewater in light of compelling evidence it is unnecessary.

In 2003 the CEC ordered the province of Manitoba to ensure Winnipeg's wastewater treatment system would remove both nitrogen and phosphorus to improve water quality. Recent scientific and political statements have opposed nitrogen removal, saying phosphorus is the main case of harmful blooms of potentially deadly blue-green algae.

The Manitoba government is investing $235 million to upgrade three water treatment plants in Winnipeg. Current estimates suggest that 10 to 15 percent of these upgrade costs are for nitrogen removal.

As of September 30, 2008 the formal reference from the government asking the CEC to conduct an investigation was not available.

View September 17, 2008 Manitoba government press release
View September 17, 2008 CJOB article
View July 23, 2008 Winnipeg Free Press article
View September 24, 2008 EcoLog article
View August 20, 2008 Manitoba Wildlands news item

Sources: Government of Manitoba, Winnipeg Free Press, CJOB68, Ecolog, Manitoba Wildlands
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