Original metadata (https://data.ontario.ca/fr) (French, HTML)

View metadata and access the original French HTML file: Original metadata (https://data.ontario.ca/fr).

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Publisher-reported update

2026-08-19

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: * Well records * Map: Well records * Topic: Drinking water * Law: Reg. 903: Wells Related data: * Petroleum wells

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