Watershed groups in the CVRD include:
- Bonsall Creek
- Bush Creek
- Chemainus River
- CowichanRiver
- Holland Creek
- Koksilah River
- Mill Bay / Malahat
- Nanaimo River
- Samsum Narrows / Crofton / Maple Bay
- Shawnigan Creek
- Stocking Creek
- Tyee Creek
- Yellow Point/Cedar