National Pollutant Release Inventory regional overview

Explore pollution data across five regions of Canada

Map of NPRI facilities in 2019 grouped into five regions of Canada

Map of NPRI reporting facilities in Canada separated in five regions
Long Description

Map of NPRI reporting facilities in Canada separated in five regions.

You can find the data used to create this map using our single year data tables.

Summary

In 2019, the Prairie Region reported the largest quantity of releases to the National Pollutant Release Inventory (NPRI), contributing to 45% of total Canadian pollutant releases to air, water and land. The Québec and Ontario Region also contributed significantly, reporting 34% of the pollutants released to air, water and land in 2019.

The Québec and Ontario Region reported the largest quantity of pollutant disposals and transfers to the NPRI in 2019, contributing to 42% of total Canadian disposals and transfers.

Pollutant Quantity Released, Disposed, or Transferred in each region
Long Description
Region Releases On-site disposals Off-site disposals and transfers
Total
Atlantic Region
211,587 214,689
54,032 480,309
Québec and Ontario 965,901 574,818
233,314 1,774,033
Prairie Region
1,287,836 284,861 128,719 1,701,417
Pacific Region
370,560 280,192 63,200 713,952
Northern Region
31,177 82,453 11 113,642

Atlantic region

Provinces

Population

Number of Facilities

Top Sectors and Substances

Breakdown of Releases, Transfers and Disposals in the Atlantic Region
Long Description
On-site releases in the Atlantic Region (tonnes)
Air Land Water
204,422 676
6,489
Transfers and disposals in the Atlantic Region (tonnes)
On-site disposals
Off-site disposals
Off-site transfers for recycling
Off-site transfers for treatment
214,689 1,907 51,944 182

10 Year Trend

10 Year Trend in the Atlantic Region
Long Description
Atlantic Region
Year Number of Facilities Reporting to the NPRI
Releases (tonnes)
Transfers and Disposals (tonnes)
2010 274 272,555 273,306
2011 268 245,034 263,169
2012 253 243,957 274,521
2013 252 257,782 286,374
2014 253 251,073 230,169
2015 240 240,034 252,860
2016 235 252,517 276,846
2017 241 255,981 269,328
2018 235 247,109 236,370
2019 226 216,075 268,790
10 year trend (%)
-18% -21%
-2%

Québec and Ontario region

Population

Number of Facilities

Top Sectors and Substances

Breakdown of Releases, Transfers and Disposals in Quebec and Ontario
Long Description
On-site releases in the Québec and Ontario Region (tonnes)
Air Land Water
896,572
11,018
58,311
Transfers and disposals in the Québec and Ontario Region (tonnes)
On-site disposals
Off-site disposals
Off-site transfers for recycling
Off-site transfers for treatment
574,818 24,402
167,207 41,705

10 Year Trend

10 year trend in Quebec and Ontario
Long Description
Québec and Ontario Region
Year Number of Facilities Reporting to the NPRI
Releases (tonnes)
Transfers and Disposals (tonnes)
2010 2,679
1,261,792 671,502
2011 2,580
1,279,789
891,612
2012 2,448
1,236,358
567,859
2013 2,399
1,233,552 633,165
2014 2,422
1,176,142
623,520
2015 2,413
1,177,712
629,603
2016 2,411
1,192,762
984,404
2017 2,373
1,134,355
1,744,856
2018 2,381
1,041,978
815,570
2019 2,361
997,248 817,553
10 year trend (%)
-12% -21%
+22%

Prairie region

Provinces

Population

Number of Facilities

Top Sectors and Substances

Breakdown of Releases, Transfers and Disposals in the Prairie Region
Long Description
On-site releases in the Prairie Region (tonnes)
Air Land Water
1,264,352
4,375
19,110
Transfers and disposals in the Prairie Region (tonnes)
On-site disposals
Off-site disposals
Off-site transfers for recycling
Off-site transfers for treatment
284,861
72,608
51,666
4,444

10 Year Trend

10 Year Trend in the Prairie Region
Long Description
Prairie Region
Year Number of Facilities Reporting to the NPRI
Releases (tonnes)
Transfers and Disposals (tonnes)
2010 4,024
1,601,179 401,339
2011 4,155
1,449,343
272,307
2012 4,105
1,472,070
295,305
2013 4,011
1,491,911 282,251
2014 4,174
1,507,263
289,232
2015 3,749
1,462,228
291,177
2016 3,328
1,354,864
248,895
2017 3,352
1,409,263
282,514
2018 3,801
1,380,669
303,764
2019 3,659
1,306,565
437,655
10 year trend (%)
-9% -18%
+9%

Pacific region

Provinces

Population

Number of Facilities

Top Sectors and Substances

Breakdown of Releases, Transfers and Disposals in the Pacific Region
Long Description
On-site releases in the Pacfific Region (tonnes)
Air Land Water
364,592
721
5,247
Transfers and disposals in the Pacific Region (tonnes)
On-site disposals
Off-site disposals
Off-site transfers for recycling
Off-site transfers for treatment
280,192
7,218
55,182
800

10 Year Trend

10 Year Trend in the Pacific Region
Long Description
Pacific Region
Year Number of Facilities Reporting to the NPRI
Releases (tonnes)
Transfers and Disposals (tonnes)
2010 797
422,206
552,511
2011 780
455,040
455,667
2012 784
483,766
403,593
2013 765
376,277
309,948
2014 773
428,167
320,097
2015 719
311,988
329,987
2016 670
300,611
333,741
2017 687
380,177
382,259
2018 701
392,940
351,051
2019 665
387,232
343,764
10 year trend (%)
-17% -8%
-38%

Northern region

Territories

Population

Number of Facilities

Top sectors and substances

Breakdown of Releases, Transfers and Disposals in the Northern Region
Long Description
On-site releases in the Nothern Region (tonnes)
Air Land Water
31,168
0
10
Transfers and disposals in the Northern Region (tonnes)
On-site disposals
Off-site disposals
Off-site transfers for recycling
Off-site transfers for treatment
82,453
5
0
6

10 Year Trend

10 Year Trend in the Nothern Region
Long Description
Pacific Region
Year Number of Facilities Reporting to the NPRI
Releases (tonnes)
Transfers and Disposals (tonnes)
2010 68
23,507
26,668
2011 71
23,574
36,712
2012 71
21,287
53,213
2013 68
20,627
37,148
2014 80
22,221
31,269
2015 76
23,427
27,217
2016 73
26,633
24,379
2017 74
29,783
68,851
2018 78
25,187
32,730
2019 78
31,185
82,487
10 year trend (%)
+15% +33%
+209%
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