Mattamy (Northwoods) Limited - Permit to take water

This proposal is for a new Permit to Take Water for Mattamy (Northwoods) Limited. Water will be taken from three ponds for construction dewatering purposes at 1020 March Road in the City of Ottawa, Ontario. Details of water taking are as follows:

Source Name: S1 - Building Excavations

• purpose of taking: construction dewatering
• maximum rate per minute (litres): 4,200
• maximum number of hours of taking per day: 24
• maximum volume per day (litres): 500,000
• maximum number of days of taking per year: 365
• period of taking: January 1 to December 31 for 10 years

Source Name: S2 - Servicing Excavations

• purpose of taking: construction dewatering
• maximum rate per minute (litres): 8,400
• maximum number of hours of taking per day: 24
• maximum volume per day (litres): 3,750,000
• maximum number of days of taking per year: 365
• period of taking: January 1 to December 31 for 10 years

Source Name: S3 - Miscellaneous

• purpose of taking: construction dewatering
• maximum rate per minute (litres): 8,400
• maximum number of hours of taking per day: 24
• maximum volume per day (litres): 6,000,000
• maximum number of days of taking per year: 90
• period of taking: January 1 to December 31 for 10 years

There are 3 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 3 permit.