Rural Water Resources Planner: Ontario

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Groundwater is the primary source of water for about three million Ontario residents.

Well Data

Information on obtaining access to individual well records is provided on  the Ministry of the Environment Well Records page.

The province and its partners (36 Conservation Authorities and 10 communities) operate the Provincial Groundwater Monitoring Network to collect baseline water level and quality data from some 450 wells across Ontario. 

Groundwater Studies

The publication Groundwater studies in Ontario: Mapping a hidden treasure (PDF) describes and initiative to promote groundwater source protection in Ontario.

Groundwater Quality

The Ministry of Agriculture, Food and Rural Affairs has number of  Water Well Publications for obtaining the best water quality through protection, construction and maintaining of the wells, and testing and understanding the water quality aspects.

Well Construction and Maintenance Resource Material

The Ontario Ministry of Environment's Wells page and the Water Supply Wells- Requirements and Best Management Practices (2009) manual provides well information for well owners, contractors and technicians. The information includes the relevant legislation and information on constructing, maintaining and decommissioning a well.

A Directory of Licensed Well Drillers is maintained by the Ministry of Environment.

Groundwater Related Associations

The Ontario Ground Water Association website provides water well information to the public and the well construction industry.