TRCA Open Data Portal

TRCA's Open Data Site

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Catalogue Entry: Ajax Phragmites - Feb 2025

This layer shows the polygon boundaries of Phragmites within Ajax (Durham Region), identified in the field through Collector. Polygon layer displaying current areas of...
- Feature Layer
- HTML
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: Trails TRCA

Representation of trail alignments that are owned or managed by TRCA. Trail linework covering all authorized trails on TRCA property and trails managed by TRCA in the Oak Ridges...
- Feature Layer
- HTML
Catalogue Entry: Property TRCA

To identify lands owned by TRCA and any management agreements with local municipalities. TRCA owned land. Geography based on Teranet parcel data.
- Feature Layer
- HTML
Catalogue Entry: ECWP 2019 Landuse

This is revised 2019 landcover-based data for Etobicoke Creek Watershed Plan project. data source: 2017 landuse with revised natural cover and wetlands based on 2019 image Last...
- Feature Layer
- HTML
Catalogue Entry: ECWP Landscape Analysis Model

Description: Habitat quality based on the Landscape Analysis Model (LAM) using the size, shape, and matrix scores of natural cover patches. These three metrics are combined into...
- Feature Layer
- HTML
Catalogue Entry: ECWP Aquatic Stream Connectivity

Description: The potential connectivity of the stream networks was quantified using the dendritic connectivity index (DCI) developed by Cote et al. (2009) to summarize the...
- Feature Layer
- HTML
Catalogue Entry: ECWP 2012 Landuse

This is revised 2012 landcover-based landuse based on 2012 image for Etobicoke Creek Watershed Plan project. This data includes 2013 natural habitat. data source: 2012 landuse...
- Feature Layer
- HTML
Catalogue Entry: ECWP Etobicoke Creek Headwater Drainage Features

Description: Headwater drainage features in the Etobicoke Creek Watershed classified as Permanent, Intermittent or Unknown (due to data deficiency) as well as having Important,...
- Feature Layer
- HTML
Catalogue Entry: ECWP 2002 Landuse

This is revised 2002 land cover-based landuse based on 2002 image for Etobicoke Creek Watershed Plan project. source data: 2002 landuse data Last update date: Sep 4, 2020
- Feature Layer
- HTML
Catalogue Entry: ECWP Natural Cover

This is revised 2017 natural cover for Etobicoke Creek Watershed Plan project. data source: 2017 landuse with revised natural cover and wetlands based on 2019 image,...
- Feature Layer
- HTML
Catalogue Entry: ECWP Current Water Quality Conditions Stations

We assessed current water quality conditions at eight stations using data collected through TRCA’s Regional Watershed Monitoring Program (RWMP) between 2015 and 2019 to support...
- Feature Layer
- HTML
Catalogue Entry: ECWP LD Water Quality Station

Two water quality stations were added in the headwaters of Etobicoke Creek (LDEC-1 and LDEC-2) to support the water quality characterization for the Etobicoke Creek Watershed...
- Feature Layer
- HTML
Catalogue Entry: ECWP Local Connectivity – Forest-Wetland

Description: Modelled local connectivity represented by priority for providing local connectivity among forest-wetland habitat patches. Local connectivity is based on the...
- Feature Layer
- HTML
Catalogue Entry: ECWP Local Connectivity – Forest-Forest

Name: Local Connectivity – Forest-Forest Description: Modelled local connectivity represented by priority for providing local connectivity among forest habitat patches. Local...
- Feature Layer
- HTML
Catalogue Entry: ECWP Riparian

Description: Riparian buffer from 125-ha drainage line reach contributing areas. The riparian buffer of 30 m was calculated by including estimated stream width from field...
- Feature Layer
- HTML
Catalogue Entry: ECWP Baseflow

This is baseblow for Etobicoke Creek Watershed Plan project Data source: 2020 Etobicoke LowFlow Last update date: 2020 Baseflow is a portion of streamflow that is not directly...
- Feature Layer
- HTML
Catalogue Entry: ECWP Highly Vulnerable Aquifers

The HVA layer was developed to satisfy requirements of the Source Protection Plan for the Credit Valley, Toronto and Region and Central Lake Ontario region (CTC-SPC 2015) under...
- Feature Layer
- HTML
Catalogue Entry: ECWP Priority Barriers

Priority aquatic barriers for removal to restore in-stream habitat connectivity. Priority aquatic barriers for removal was based on the Dendritic Connectivity Index (DCI) scores...
- Feature Layer
- HTML

149 catalogues found