Environment and Climate Change Canada regulates effluent discharges from metal and diamond mines under the Fisheries Act. The dataset contains summary performance reports for each mine's final discharge point, including compliance with limits for arsenic, copper, cyanide, lead, nickel, zinc, suspended solids, radium 226, and un-ionized ammonia. Data is available in CSV format for analysis and KML format for geographic visualization.
Use Cases
- Monitoring regulatory compliance based on concentration limits for specific contaminants.
- Analyzing spatial patterns of effluent discharge points using the provided KML map layers.
- Conducting time-series analysis of mine performance using annual summary reports.
- Studying the environmental impact of mine waste disposal in waters frequented by fish.
Strengths
- Data is tied to specific legal regulations (Metal and Diamond Mining Effluent Regulations) with defined contaminant limits.
- Provides both tabular (CSV) and geospatial (KML) representations of the same compliance information.
- Includes data on nine specific regulated substances: arsenic, copper, cyanide, lead, nickel, zinc, suspended solids, radium 226, and un-ionized ammonia.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Environment and Climate Change Canada
- Collection Method
- Extracted from annual regulatory compliance reports submitted by mine operators.
- Freshness
- Last updated 2026-05-13 19:12:02.305635; freshness should be verified.
- Geography
- Canada