Best Management Practices for Urban Areas to Manage Phosphorus

Identification of existing technologies in the Lake Erie and New Innovations

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Lake Erie Phosphorus Trends

Effective management strategies reduced the point sourcesMost of TP is from non point sources, including allochthonous and autochthonous sources

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Lake Erie Phosphorus Trends

Daloglu et al. In press

The proportion of bioavailable DRP is increasing since 1995New research questions: source of DRP ? (watershed and/or internal)

Best Management Practices for Urban Areas to Manage Phosphorus

Identification of existing technologies in the Lake Erie and New Innovations

Non structural BMPs:

Education, awareness, buffer zones, green spaces, regulation (fertilizers)

Structural BMPs:

Non point sources: Filtrations, riparian zones, green roofs, wetlands

Point sources: WWTP (primary to tertiary), 33 systems covering the range of treatment and size.

Lake Erie watershed Lake SimcoeLake Winnipeg

USAEU