Comment 63377

By rayfullerton (registered) | Posted May 11, 2011 at 10:05:35

OPTION 4 STATUS QUO: LAND APPLICATION OF SLUDGE AT $73/tonne

NOTE: 2010 City produced 38,567 wet tonnes of biosolids (sludge)

  1. Sludge quality has improved ( less metals) due to enforcement of Sewer Use By-Law which has resulted in 3x increase in application rate from 8 tonnes/hectare to 22 tonnes/hectare

  2. In January 2011, the Provincial Nutrient Management Act is encouraging the application of sludge on land to increase nutrients.

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