Lafarge Canada Inc. - Permit to take water

This proposal is for a renewal to Permit to Take Water No. 5201-9UWQHE for Lafarge Canada Inc. Water will be taken from one pond for quarry and pit dewatering, aggregate washing and dust suppression purposes, located in the City of Ottawa, Ontario.

Details of the water taking are as follows:

Permit type – Renewal

Source Name: Quarry Sump

• purpose: pits and quarries dewatering
• maximum rate per minute (litres): 2,273
• maximum number of hours of taking per day: 24
• maximum volume per day (litres): 3,182,200
• maximum number of days of taking per year: 365
• earliest calendar date of taking (mm/dd): 01/01
• latest calendar date of taking (mm/dd): 12/31
• period of taking: ten years

Source Name: Quarry Sump

• purpose: aggregate washing
• maximum rate per minute (litres): 2,273
• maximum number of hours of taking per day: 24
• maximum volume per day (litres): 3,182,200
• maximum number of days of taking per year: 305
• earliest calendar date of taking (mm/dd): 01/01
• latest calendar date of taking (mm/dd): 12/31
• period of taking: ten years

Source Name: Quarry Sump

• purpose: dust suppression
• maximum rate per minute (litres): 2,273
• maximum number of hours of taking per day: 18
• maximum volume per day (litres): 500,000
• maximum number of days of taking per year: 305
• earliest calendar date of taking (mm/dd): 01/01
• latest calendar date of taking (mm/dd): 12/31
• period of taking: ten years

There are three categories of a Permit to Take Water:

• Category 1: water takings are anticipated to have a lower risk of causing an unacceptable environmental impact/interference
• Category 2: water takings are anticipated to having a higher potential of causing unacceptable environmental impact or interference
• Category 3: water takings are anticipated to have the highest potential of causing unacceptable environmental impactor interference

The proposed water taking qualifies as a Category 1 permit.