West Lincoln Combined Sewer Overflows at Niagara Region Facilities

Data presented here is updated every three months. The data contains records from
May 01, 2019 to April 30, 2020.

Volume is measured in megalitres. (1 megalitre = 1 million litres)

CSO Location Date of Overflow Volume (ML) Reason for Overflow
Smithville SPS CSO
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Mar 3, 2020 0.378 ML Heavy Precipitation
Smithville SPS CSO
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Dec 30, 2019 0.680 ML Heavy Precipitation
Smithville SPS CSO
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Oct 31, 2019 0.170 ML Heavy Precipitation
Smithville SPS CSO
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Oct 27, 2019 0.025 ML Heavy Precipitation
Smithville SPS CSO
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May 25, 2019 0.651 ML Heavy Precipitation
Smithville SPS CSO
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May 9, 2019 4.876 ML Heavy Precipitation

Historical Overflow Data for West Lincoln

201920182017
Total Overflows: 8
Total Volume: 9.035 ML
Total Overflows: 6
Total Volume: 21.024 ML
Total Overflows: 1
Total Volume: 8.678 ML

Overflows contain mostly Storm Water

While the volume of an overflow may seem large, the amount of untreated sewage present in the overflow is small when compared to the amount of stormwater or snow melt.

Niagara typically treats about 80,000 megalitres of sewage each year.  The vast majority of wastewater discharged into the sewer system receives full treatment and only a small percentage of this sewage overflows. These overflows usually only occur during periods of heavy rain or during seasonal snow melts.

Historical Data

If you require more detailed information about a specific combined sewage overflow, you can contact the water & wastewater division.

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