Tips for Draining Swimming Pools and Hot Tubs

If you have a pool or hot tub, you may be preparing to drain it and clean the systems after a busy summer. In most cases, the Township’s stormwater system drains directly into our local creeks and rivers. Since swimming pools & hot tubs may contain chemicals (such as chlorine), here are some Best Management Practices (BMPs) for draining swimming pools and/or hot tubs to ensure the health of our waterways:

1. De-chlorinate the water

   • Let the pool stand for up to 10 days, depending on the size of the pool and sun exposure.
   • Or
   • Use de-chlorination tablets which can be found at local pool supply stores.

2. Test the water using chlorine test strips (also found at local pool supply stores)

   • If chlorine still exists, repeat step 1.

3. Drain pool slowly to lawn

   • This is to be done over a long period of time, several hours to days, depending on the size of the pool and lawn.
   • If the lawn becomes saturated too quickly, and water run off impacts neighbours, the road, and/or adjacent trail or park systems, stop and wait for water to seep into the lawn.
   • Do not discharge water directly to the storm drain system* or to any hard surfaces as this could cause damage to/flooding of public infrastructure, watercourses, or neighbouring properties.

*If you witness pool or hot tub water being discharged directly to Township infrastructure, including roadside catch basins or park trails please inform the Township Bylaws department directly.

For discharge into the sanitary sewer system, or for additional surface water quality related information, please contact Township Utilities at 604-532-7300.