Duguay Stream

Culvert and geotextile fabric

Culvert and geotextile fabric

Woody debris in the culvert

Duguay 03

Wednesday, September 2, 2009


Big culvert (3 m) on a new construction road for a retirement home. Many erosion prevention measures were taken around the culvert and on the banks. The culvert is partially blocked with woody debris. Big fuel tanks are stored on the construction site. Upstream from the culvert, the brook runs between a schoolyard and a church. A small buffer zone of shrubs was left on each side of the brook.

Action Required:

The woody debris should be removed from the culvert. Make sure that the sediments from the construction site don’t reach the brook. The erosion prevention measures that were installed must be maintained in good working condition.


September 30 2016

Bridge and culvert (left view)

Bridge and culvert (right view)

Culvert interior


The construction of the bridge is complete. The vegetation is now present on each side of the bridge. No wood debris or dangerous substance was found.

Negligible alteration

Minor alteration. Must follow site

Alteration with possibility of impact

Alteration with impact. Recommended intervention.

Full restoration

incomplete restoration or monitor

Restoration to be completed