[CANUFNET] Stormwater management adjacent to woodlots

[Young, Nancy]

Hello all,

As I have been running across this issue more and more lately, I’m wondering if any of you have experience with the installation of stormwater management infrastructure (catch basins, SWM ponds, SW storage tanks, etc) next to urban woodlots?

I am primarily seeking input on the following:

-          how close to the woodlot edge can these systems be installed without fatally damaging the root systems? Is staying outside of the static root zone enough? Are there setback requirements used in your municipalities?

-          have these systems been shown to detrimentally affect the groundwater available to the woodlots?

-          is there any remediation work that could be done in woodlots following installation to increase survival (crown reduction to compensate for root loss, installation of irrigation systems,  etc.)?

-          or, depending on the existing species, salt deposition in the area, etc,  is it better not to install storm water systems and direct runoff into woodlots?

Any input would be greatly appreciated.
Thanks!
Nancy

Nancy Young, RPF | Forester| Forestry Services Branch | City of Ottawa
• 100 Constellation Crescent, Ottawa, ON, K2G 6J8 |
• 613-580-2424 Ext 13581 | Fax: 613-580-2611
• nancy.young at ottawa.ca | þ City of Ottawa - Trees and community forests<http://www.ottawa.ca/en/env_water/tlg/trees/index.html>



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