Comox Valley Water Treatment Project

The Comox Valley Water System provides drinking water to 45,000 residents but doesn’t comply with current provincial guidelines.

A new system is needed to bring our water treatment in line with other communities across BC, Canada and the developed world.

Project Timeline

Construction of the new water treatment system is scheduled to begin late in 2019 and will be fully operational by 2021.

Project Cost

The cost of the new water treatment system is estimated at $110 million. While at least 74 per cent will be paid by reserves and grant funding, the Comox Valley Regional District (CVRD) must borrow up to $29 million to pay for the remaining share of costs of the project.

Who Pays

Only those connected to the Comox Valley Water System will be responsible for paying for the project, at an average cost estimated at $86 per household per year.

Boil Water Notices

The Comox Valley Regional district has installed temporary UV treatment which is expected to reduce boil water notices by about 80 per cent until construction is complete.

Once the new system is up and running turbidity related boil water notices will be eliminated altogether.



The Comox Valley Water System provides drinking water to 45,000 residents but doesn’t comply with current provincial guidelines.

A new system is needed to bring our water treatment in line with other communities across BC, Canada and the developed world.

Project Timeline

Construction of the new water treatment system is scheduled to begin late in 2019 and will be fully operational by 2021.

Project Cost

The cost of the new water treatment system is estimated at $110 million. While at least 74 per cent will be paid by reserves and grant funding, the Comox Valley Regional District (CVRD) must borrow up to $29 million to pay for the remaining share of costs of the project.

Who Pays

Only those connected to the Comox Valley Water System will be responsible for paying for the project, at an average cost estimated at $86 per household per year.

Boil Water Notices

The Comox Valley Regional district has installed temporary UV treatment which is expected to reduce boil water notices by about 80 per cent until construction is complete.

Once the new system is up and running turbidity related boil water notices will be eliminated altogether.



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    Comox lake graphic optimized

    There is a lot of misunderstanding about the need for water restrictions and we often hear residents comment that there is no need for them when we have an abundance of water in Comox Lake.

    We are fortunate to have Comox Lake as the source for our drinking water, but the Lake does not offer an infinite supply of fresh water.

    Comox Lake is approximately 61 meters deep during the winter months. Only 4.5 meters of that total depth is available for domestic use, fish flows and power generation. And that is when the lake is at its highest levels....

    There is a lot of misunderstanding about the need for water restrictions and we often hear residents comment that there is no need for them when we have an abundance of water in Comox Lake.

    We are fortunate to have Comox Lake as the source for our drinking water, but the Lake does not offer an infinite supply of fresh water.

    Comox Lake is approximately 61 meters deep during the winter months. Only 4.5 meters of that total depth is available for domestic use, fish flows and power generation. And that is when the lake is at its highest levels. In the summer when dry weather affects the depth of the lake, the amount of water that we can access shrinks with the level of the lake, making water restrictions necessary. 

    We have implemented a new watering schedule designed to make it easier for residents to comply with annual water restrictions. Your comments and/or suggestions for improving water conservation initiatives are welcome.

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  • Boil Water Notices

    6 months ago

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    Img 9063

    Installation of a temporary UV system at the existing chlorination system is expected to reduce boil water notices by approximately 80 per cent. The difference has been evident with no boil water notices issued in 2018 and the first BWN of 2019 lasted only for one day. Do you have questions about our interim UV technology or the new water treatment system (which will eliminate turbidity related boil water notices completely)? Share them here.

    Installation of a temporary UV system at the existing chlorination system is expected to reduce boil water notices by approximately 80 per cent. The difference has been evident with no boil water notices issued in 2018 and the first BWN of 2019 lasted only for one day. Do you have questions about our interim UV technology or the new water treatment system (which will eliminate turbidity related boil water notices completely)? Share them here.

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