National Pollutant Release Inventory: Canadian Industrial Emissions 1993-Present

Canada's National Pollutant Release Inventory (NPRI) tracks industrial pollutant releases to air, water, and land from 1993 to the current reporting year. Environment and Climate Change Canada maintains this public inventory, which includes data on disposals and transfers for recycling. The dataset is provided in normalized list format optimized for pivot table analysis.

Use Cases

• Analyze temporal trends in industrial pollutant releases based on the 1993-present time series.
• Compare pollutant transfers for recycling versus disposals based on the inventory's reported categories.
• Model spatial distributions of emissions to air, water, and land based on the reported release media.
• Assess regulatory compliance and sector-specific performance using the nationally reported data.

Strengths

• Data spans over 30 years, from 1993 to the current reporting year.
• Published by the authoritative national agency, Environment and Climate Change Canada.
• Available in both Microsoft Access and non-proprietary CSV formats for flexibility.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale ML tasks.

Provenance

Source

Environment and Climate Change Canada

Collection Method

Mandatory reporting by facilities to the national inventory.

Time Range

1993 to the current reporting year

Freshness

Last updated 2026-04-30 13:01:48.721933; freshness should be verified.

Geography

Canada