Well Construction and Licensing
The licensing of well contractors and technicians promotes and supports enforcement of safe environmental practices to maintain the health of Ontario’s groundwater resources. You will need a well technician license or employ a person with a well technician license to construct, maintain, repair or upgrade a well.
This collection of resources was assembled for well contractors, technicians and anyone interested in learning the rules for constructing, maintaining or making repairs to a water well.
Rules for the person who is constructing a new water supply well.
You can also find the full set of requirements for well construction and licensing at:
Find a Contractor
- Find Licensed Well Contractors – Use this directory to find licensed well contractors.
- Find an Ontario Ground Water Association (OGWA) Member Contractor in your Area – Use this directory to find a contractor.
Licensing & Records
- Well Contractor License – How to apply for and renew a well contractor license so you can operate a well construction business.
- Well Technician License – How to apply for and renew a well technician license, as well as add a new class(es).
- Well Records – How to complete, submit or get a copy of a well record.
Technical Bulletins for Ontario’s Wells Regulation
- Completing the New Well’s Structure
- Completing the Structure of the New Test Hole or Dewatering Well
- Constructing New Multi-Level Monitoring Test Holes
- Constructing New Test Holes & Dewatering Wells
- Constructing New Test Holes & Dewatering Wells in Operation for No Longer than 180 Days
- Constructing New Uncased Test Holes & Dewatering Wells in Operation for No Longer than 30 Days
- Exempted Activities Performed on Wells, Including Test Holes & Dewatering Wells
- Flowing Test Holes and Dewatering Wells
- Flowing Wells
- Installing Equipment in a Well
- Licensing (Class 5) for individuals who Perform Tests on Wells
- New Construction of the Hole, Casing, Well Screen and Annular Space
- Shallow Works Test Holes and Dewatering Wells
- Site Considerations & Initial Planning for Test Holes & Dewatering Wells
- Siting a New Well
- Test Hole and Dewatering Well Licensing
- Test Hole & Dewatering Well Maintenance
- Test Hole & Dewatering Well Repairs & Alterations
- Test holes and dewatering wells – Requirements and best management practices
- Understanding the Meaning of Well, Test Hole and Dewatering Well
- Water Supply Wells: Requirements and Best Practices
- Well Abandonment: How to Plug and Seal a Test Hole or Dewatering Well
- Well Abandonment: How to Plug and Seal a Well
- Well Abandonment: When to Plug and Seal a Well
- Well Construction Licensing
- Well Disinfection
- Well Maintenance
- Well Record, Reporting & Tagging for a Test Hole & Dewatering Wells
- Well Repairs and Other Alterations
Well Technician Training
- Fleming College – Ontario Well Technician training courses at Fleming College including courses to obtain your license and courses to maintain your license.
- Lusk Geo Inc. – Provides training in groundwater, water wells, geothermal systems and Well Technician Licensing.
- Ontario Ground Water Association – a not for profit association consisting of professional members who are involved in the ground water industry in Ontario. They include — Well Drillers, Environmental/Geotechnical Drillers, Pump Installers, Manufacturers and Suppliers, as well as Scientists and Engineers. Included are the company owners as well as their employees.
- Canadian Water Quality Association – representing the Canadian water quality improvement industry.
- Ontario Onsite Wastewater Association – representing the onsite and decentralized wastewater industry in Ontario, including educators, regulators, engineers, contractors, manufacturers, suppliers, service providers, and other parties.
- Hydrogeologists Without Borders – a Canadian non-profit organization and registered charity, based in Calgary.
- Canadian National Ground Water Association – a Canadian non-profit consisting of members of the ground water industry across Canada.
- Professional Geoscientists of Ontario (PGO) – governs the practice of professional geoscience in Ontario.
- Professional Engineers of Ontario – the licensing and regulating body for engineering in the province.
- Well Wise Water Testing Program– administered by the Ontario Ground Water Association. This program provides cost effective water testing for things other than bacteria in your water. Metals, minerals, salts, fuels, solvents, fluoride, mercury, sulfate, tannin/lignin, pesticides/herbicides, and glyphosates. Test bottles are shipped to you with return freight included. Not for Profit water testing.
- Public Health Unit (PHU) Testing – Find your local PHU for information on free well water testing for E. Coli and Coliform bacteria. Check your water spring, summer, and fall.
- List of Licensed Laboratories in Ontario – This is a list of laboratories licensed to perform drinking water tests in Ontario. Prior to submitting samples please contact the licensed laboratory for pricing .
- Testing Well Water – An instructional video on how to take an accurate sample of your well water for E. Coli and Coliform bacteria testing.
Visit our online library’s main webpage to find more resources on topics related to drinking water.
Photo from Luskgeo.com
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Wells Help Desk & Records in Ontario
The Ministry of the Environment, Conservation and Parks (MECP) operates a public Wells Help Desk to help ensure that information is available to the public. The Wells Helps Desk also receives and forwards well complaints to the appropriate ministry office, answers general questions on wells, assists well owners to locate their well record and assists the well industry sector in obtaining licenses, well record forms and well tags (MECP, 2021).
MECP Wells Help Desk
Wells Help Desk
Environmental Monitoring and Reporting Branch
Ministry of the Environment, Conservation and Parks
125 Resources Road
Toronto ON M9P 3V6
Phone: Toll-free: 1-888-396-WELL (9355)
Well Records & Requests
How to complete, submit or get a copy of a well record.
Well Records Open Data Catalog
Information and rules for residential well owners, including the proper location, construction, maintenance and abandonment of a well can be found at Wells on your property.
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