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For assistance with the Online Program Guide, please contact the Agricultural Information Contact Centre – Mon. to Fri., 8 am – 5 pm, 1-877-424-1300 or ag.info.omafra@ontario.ca

What is runoff treatment and why is it important for my project?

If your runoff control for livestock facilities project consists only of an impermeable base, (with no roof) rainwater will still be able to enter the yard, turning this clean rainwater into contaminated water (runoff) as it mixes with manure.

Any project application seeking cost-share funding for an impermeable base for a livestock area must also include an appropriate method of managing potentially contaminated water/runoff or include a roof that will cover the entire area to prevent clean rainwater from entering this area.

Options for managing contaminated runoff may include: a diversion of the water to an existing liquid manure storage facility on the farm (with adequate capacity to handle the increased volume), a dedicated runoff holding tank, designed for this purpose or a permanently vegetated area (PVA) with a flow path that meets the requirements of the Nutrient Management Act and Ontario Regulation 267/03, as amended. The options for managing runoff including PVA are explained in the OMAFRA factsheet “managing outdoor confinement areas and livestock yards” http://www.omafra.gov.on.ca/english/engineer/facts/11-007.htm and “handling runoff from solid agricultural source material storages and outside livestock areas” http://www.omafra.gov.on.ca/english/engineer/facts/10-005.htm