Rain gardens and stormwater projects · Ontario

Halton Region Downspout Disconnection Subsidy

Run by Halton Region

OpenPlan requiredLast checked October 22, 2026
What you get
100% of eligible materials and invoiced contractor labour, up to $900 (work completed after July 15, 2024; $500 for earlier work)
Maximum
$900 per household
Who qualifies
Owners of homes in Halton Region connected to the Region's municipal sewer system (septic homes are not eligible). Once per property, even if ownership changes.
Where
Homes on Halton Region sewers in Burlington, Oakville, Milton and Halton Hills.
Status
Open
Type of payment
Rebate
Official program page

What you do

Disconnect your roof downspouts from the sewer and let the water drain onto your lawn or garden, then claim back the cost.

Requirements

  • Prove before the work that downspouts connect to the wastewater system (Household Drainage Survey or a plumber/drainage contractor assessment, CCTV or dye test)
  • Disconnected downspouts must discharge to the ground about 3 m from the foundation on grading that slopes away from the home
  • Comply with local drainage by-laws
  • Apply within one year after the work is completed

The plan or design it asks for

Before and after photos and a sketch of the completed work.

Make the plan in Sow

Draw the layout and build the plant list

Sow places plants on a photo of your yard and keeps a list of everything you add. Check Halton Region's rules for exactly what to submit.

Start a plan in Sow

How to apply

  1. 1Download the application and waiver forms
  2. 2Complete the work with proof of the original connection
  3. 3Email the forms, paid itemized invoice, proof of connection, photos and sketch to [email protected] (or mail them)
  4. 4Receive a cheque 4 to 6 weeks after a complete application

Sources

Last checked October 22, 2026. See something out of date? Tell us.

Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs

Free to cite

Quote it with credit and a link to this page. The amounts and rules come from Halton Region's official page, linked above, so check it before you publish.

Source: Sow, “Halton Region Downspout Disconnection Subsidy,” Yard rebates directory, checked October 22, 2026, https://www.usesow.com/rebates/ontario/halton-downspout-disconnection-subsidy

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