Inland Lakes and Streams – Water Chemistry

This data set includes information on water quality of lakes and streams across Ontario since 1976. It includes: * major anions and cations * nutrients * chlorophyll * metals Data were collected as part of routine monitoring of water quality of inland waters and for scientific and research purposes.

Data and Resources

Additional Info

Field	Value
Last Updated	April 17, 2026, 18:31 (UTC)
Created	April 17, 2026, 18:31 (UTC)
contact_person	{"en": "Environment, Conservation and Parks", "fr": "Environment, Conservation and Parks"}
criticality_level	[]
data_dictionary	["economy"]
geographic_scope	[]
open_canada_collection	federated
open_canada_date_published	2021-05-28 00:00:00
open_canada_keywords	{"en": ["streams", "water", "water quality", "environmental monitoring", "nutrients", "chlorophyll", "Muskoka", "Sudbury", "lakes", "stream", "lake", "chemistry", "EMRB", "Inland Lakes - Streams"], "fr-t-en": ["ruisseaux", "eau", "qualité de l'eau", "surveillance de l'environnement", "nutriments", "chlorophylle", "Muskoka", "Sudbury", "lacs", "flux", "lac", "chimie", "EMBRANCHE", "Lacs intérieurs - Ruisseaux"]}
open_canada_subject	["government_and_politics"]
sensitivity_level	unrestricted
title_fr	Lacs et cours d’eau intérieurs – propriétés chimiques de l’eau
update_frequency	P1Y