TRCA Open Data Portal

TRCA's Open Data Site

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Catalogue Entry: TRCA Fisheries Wadable

This dataset includes 2010–2025 monitoring data from all wadable stream sites sampled by Toronto and Region Conservation Authority’s Aquatic Monitoring and Management (AMM)...
- Feature Layer
- HTML
Catalogue Entry: TRCA Fisheries Non-Wadable

This dataset includes 2010–2025 fish monitoring data from all lake, non-wadable stream, and wetland sites sampled by Toronto and Region Conservation Authority’s Aquatic...
- Feature Layer
- HTML
Catalogue Entry: ECWP Ecologically Significant Groundwater Recharge Areas

An Ecologically Significant Groundwater Recharge Area (ESGRA) can be defined as an area of land that is responsible for replenishing groundwater systems that directly support...
- Feature Layer
- HTML
Catalogue Entry: TRCA Water Resource System

A Water Resource System (WRS) is a system of groundwater features and areas and surface water features, and their hydrologic functions. Hydrologic functions are the natural...
- Feature Layer
- HTML
Catalogue Entry: TRCA Climate Data - Change in Lake Ontario Temperature, Precipitation, and...

This file is a download link climate variables between 1981-2010 and 1991-2020 reflecting changes in temperature, precipitation, wind, and snow depth changes. Meteorological.zip...
- HTML
Catalogue Entry: TRCA Climate Data - Change in Lake Ontario Surface Temperature

This file is a download link to LST_AnnualMean_Delta_9120_minus_8110_2500m.tif. This layer shows the change (or delta difference) in annual average lake surface temperature...
- HTML
Catalogue Entry: TRCA Climate Data - Change in Lake Ontario Annual Maximum Ice Coverage (%)

This file is a download link to the Delta_dif_Ice_Max_2023_1973.tif This layer shows the change (or delta difference) in Lake Ontario annual maximum ice cover between two...
- HTML
Catalogue Entry: ECWP MonitoringStations

Monitoring Stations as seen in Figure 16 of the Etobicoke Creek Watershed Plan (2024-2034)
- Feature Layer
- HTML
Catalogue Entry: Flood Vulnerable Cluster Table

There is no description for this catalogue entry
- Table
- HTML
Catalogue Entry: CCWP Scenario2 Land Use

The 2015 Landuse further refined for Scenario 2 Scenario 2 (+NHS) – assumes the same development as scenario 1 but includes the proposed enhanced Natural Heritage System...
- Feature Layer
- HTML
Catalogue Entry: CCWP Highly Vulnerable Aquifers

Polygon file displaying CTC's TRSPA Highly Vulnerable Aquifers (HVA). These areas are more susceptible to contamination moving from the surface into the... Entity Name: SW...
- Feature Layer
- HTML
Catalogue Entry: TRCA Watersheds DEM

Watershed Boundary TRCA Watershed boundary created from the 2002 DEM. An archydro model was run to delineate the watersheds. The Etobicoke creek area was updated in 2020 using...
- Feature Layer
- HTML
Catalogue Entry: CCWP Watercourse

TRCA watercourse layer for the Carruthers Creek Watershed Plan TRCA watercourse layer
- Feature Layer
- HTML
Catalogue Entry: ELC trca

Polygon layer displaying Toronto and Region Conservation Authority (TRCA) ecological land classification (ELC) data. TRCA's Terrestrial Monitoring and Inventory Group utilizes a...
- Feature Layer
- HTML
Catalogue Entry: Watersheds TRCA

Delineate TRCAs' administrative boundary as well as boundaries of watersheds within the jurisdiction of the TRCA TRCA's jurisdiction is made up of various watersheds that span...
- Feature Layer
- HTML
Catalogue Entry: ECWP FluvialGeomorphologySites

Provides the location and name of the Etobicoke Creek Watershed fluvial monitoring sites, used in TRCA's Etobicoke Creek Watershed Plan (ECWP). These sites are part of the...
- Feature Layer
- HTML
Catalogue Entry: CCWP Wetland Priorities

Wetlands identified as a priority for proactive hydrological monitoring under +Potential Urban scenario. These priority wetlands were identified as being both... The wetland...
- Feature Layer
- HTML
Catalogue Entry: CCWP Priority Hydrological Crossings Improvement Areas

The hydrological crossings are where roads intersect with the stream network and have been identified as needing improved infrastructure (e.g. culverts). These priorities are...
- Feature Layer
- HTML
Catalogue Entry: CCWP Road Priorities

centerline of major roads Using the MNRF's Road layer, connectivity models were run to determine roads that go through priority connectivity areas.
- Feature Layer
- HTML
Catalogue Entry: CCWP Parks in Priority Neighbourhoods

TRCA, in collaboration with the Town of Ajax, identify and promote opportunities for sustainable community retrofits in priority planting neighborhoods. This data represents...
- Feature Layer
- HTML

38 catalogues found