Nutrient Concentrations in Great Lakes Tributaries

Environment and Climate Change Canada collects water quality monitoring data from priority Canadian tributaries to the Great Lakes, with a majority focus on Lake Erie. The data provides nutrient concentration measurements to estimate loads and support science addressing recurrent toxic and nuisance algae. It is used to establish binational phosphorus objectives, load reduction targets, and a nearshore assessment framework.

Use Cases

• Estimating nutrient loads to the Great Lakes based on tributary concentration data.
• Modeling factors affecting nearshore water quality and algae growth.
• Informing binational phosphorus reduction targets and ecosystem objectives.
• Supporting the development of a nearshore assessment and management framework.

Strengths

• Data is collected by a national government agency (Environment and Climate Change Canada), suggesting institutional rigor.
• Focus on Lake Erie, described as the Great Lake most susceptible to nearshore water quality issues, provides targeted relevance.
• Cross-platform presence on open_canada indicates official dissemination and importance for public use.

Limitations

• Column names and data schema are not provided in any source, limiting understanding of specific variables.
• Exact row count, file size, and temporal coverage are unknown, making scale and historical depth unclear.
• Metadata for author and precise update timestamps are inconsistent or missing across entries.

Provenance

Source

Environment and Climate Change Canada

Collection Method

Water quality monitoring conducted in selected Canadian tributaries.

Freshness

Last updated 2026-06-09 according to the most recent entry.

Geography

Priority Canadian tributaries to the Great Lakes, with a majority focus on Lake Erie.