Excel · dataset · 2026
Lake Ontario Downstream Tributary Water Chemistry Monitoring
Listed in Ontario Open Government Data
From 2018 to 2023, ministry staff collected water quality samples year-round from seven rivers that flow into Lake Ontario in the Greater Toronto Area.
Description
They did this to understand the amount of pollutants and other materials that these rivers carry into the lake. **Parameters measured** The dataset contains information on the water quality of these rivers, including: - Nutrients - Major ions - Suspended solids - Heavy metals - Microbial indicators **Sample types** The dataset has two types of water samples: 1.
Discrete samples collected at a specific time 2. Composite samples collected over periods of time
Links
Get the data
- files.ontario.ca /moe_mapping/downloads/2Water/LakeOntario/LOntario_Trib_Dataset… ↗
Lake Ontario Downstream Tributary Water Chemistry Monitoring Data 2018 to 2023
download · from data ontario ca
- Metadata files.ontario.ca/moe_mapping/downloads/metadata/opendata/Tributary_metadata_EN.… ↗
download · from data ontario ca
- Metadata files.ontario.ca/moe_mapping/downloads/metadata/opendata/Tributary_metadata_FR.… ↗
download · from data ontario ca
Where it is published
- Ontario Open Government Data dataset page data.ontario.ca/dataset/lake-ontario-downstream-tributary-water-chemistry-moni… ↗
landing page · from data ontario ca
Catalogue records · 1
- CKAN API data.ontario.ca/api/3/action/package_show?id=b0038acb-83a3-4040-b577-a9a0d46e6… ↗
metadata API · from data ontario ca
Topics
- From keywords
- Earth & Environmental Science
Provenance · 1 source records, 7 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| Ontario Open Government Data | b0038acb-83a3-4040-b577-a9a0d46e67e6 | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].local:field:earth-environmental | mapping · data ontario ca | connector:data_ontario_ca@1.0.0 | |
| created_date | source · data ontario ca | connector:data_ontario_ca@1.0.0 | |
| description | source · data ontario ca | connector:data_ontario_ca@1.0.0 | /notes |
| license_text | source · data ontario ca | connector:data_ontario_ca@1.0.0 | |
| publication_date | source · data ontario ca | connector:data_ontario_ca@1.0.0 | |
| title | source · data ontario ca | connector:data_ontario_ca@1.0.0 | /title |
| updated_date | source · data ontario ca | connector:data_ontario_ca@1.0.0 |