Well Records

This dataset provides information submitted by well contractors as prescribed by Regulation 903, and is stored in the Water Well Information System (WWIS). Spatial information for all of the well records reported in Ontario are also provided.

Well record map

*[WWIS]: Water Well Information System

This data is related to:

Related data:

Petroleum wells

Ministry contact: wellshelpdesk@ontario.ca

Additional information

Tags: Economy and Business Economy and Business

wells wells

water water

water management water management

land land

land management land management

aquifer aquifer

water supply water supply

EMRB EMRB
Geographic coverage: Ontario
Last Validated Date: July 25, 2025
Update frequency: Quarterly

Well Records

Learn more about accessing data using different formats.

Date range: January 1, 1899 - August 31, 2025

ZIP

WWIS - Microsoft Access English

Last Updated: August 27, 2025

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SHP

WWIS - GIS Shapefile English

Last Updated: August 27, 2025

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ZIP

Well Record Data Report English

Last Updated: August 27, 2025

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Supporting Files

PDF

Metadata record English

Last Updated: February 21, 2024

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PDF

Metadata record French

Last Updated: February 21, 2024

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Well Records

Additional information

Well Records

Supporting Files

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