Sanitary Sewer


Everything you put down the drain or toilet has to go somewhere. Whether you're flushing the toilet, washing clothes, having a shower, or washing the dishes, we send a significant amount of water down the drains in our households each day.

The water and other materials that go down the pipes are processed and then released back into the environment. Sinks and toilets are not intended to be disposal systems for garbage or chemicals. 

Find out more about what happens to your wastewater

Do not flush these items down the toilet or sink

Just because they say they can be flushed doesn’t mean they should be. Any of these items will cause problems for our sewer system:

  • Fats, grease and food
  • Baby wipes and other disposable cleaning cloths
  • Disposable mop cloths and mop pads
  • Condoms
  • Pads, tampons (and applicators)
  • Dental floss
  • Hair
  • Plastics
  • Paper
  • Oils
  • Chemicals
  • Paint
  • Pharmaceuticals
  • Pesticides or herbicides

For better ways to dispose of these items, visit the West Vancouver garbage page.

Sanitation System Infrastructure 

The district’s sanitary sewer system is comprised of hundreds of kilometres of sanitary mains and thousands of service connections. Here are some of the numbers:

  • sanitary sewer mains: 340 km
  • sanitary service connections: 12,727
  • sanitary manholes: 4,277
  • sewer lift stations: 57
  • wastewater treatment plants: 1 (Citrus Wynd Sewer Treatment Plant)
  • grinder pumps: 208

Learn more

Learn more about our sanitary sewer assets and how they're managed.

Sanitary System Asset Management Plan

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