Table 2 
Number/kilometres of publicly-owned stormwater assets, by type of asset, Canada, 2016 

Number/kilometres of publicly-owned stormwater assets, by type of asset, Canada, 2016
  number
Total non-linear stormwater assets 15,827
Stormwater drainage pump stations 893
Stormwater management facilities: stormwater management ponds and wetlands 8,013
Stormwater management facilities: all other permitted, end-of-pipe facilities 6,921
  kilometres
Total linear stormwater assets 425,071
Culverts (diameter: < 3 m ) 46,057
Open ditches 272,905
Stormwater pipes (diameter: < 450 mm) 51,576
Stormwater pipes (diameter: = 450 mm to < 1,500 mm) 43,908
Stormwater pipes (diameter: = 1,500 mm or more) 3,723
Stormwater pipes (of unknown diameter) 6,902
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