The Governing Framework: Ontario Water Resources Act and Regulation 903
All private well drilling in Ontario — including every property in Renfrew County — is governed primarily by the Ontario Water Resources Act (OWRA) and its implementing instrument, Ontario Regulation 903, titled "Wells." This regulation sets out the rules for who may drill wells, what standards must be followed, what records must be kept, and what setback distances apply.
The Ministry of the Environment, Conservation and Parks (MECP) administers the OWRA and Regulation 903. The regulation is enforced through contractor licensing, mandatory Well Record submission, and the provincial Well Record archive — a public database of all registered wells in Ontario.
Key Provincial Legislation and Guidance
- Ontario Water Resources Act (R.S.O. 1990, c. O.40) — the primary authorizing statute
- Ontario Regulation 903 — Wells — detailed construction standards and licensing requirements
- Ontario Building Code (O. Reg. 332/12) — plumbing connection requirements between well and building
- Safe Drinking Water Act, 2002 — applies to large residential systems; private wells are exempt from most provisions
- Technical Standards and Safety Authority (TSSA) — electrical requirements for pump installations
Who is Covered by Ontario Regulation 903
Ontario Regulation 903 applies to all "wells" as defined by the OWRA — which includes drilled wells, bored wells, driven wells, and any excavation or artificial opening that enables water to be obtained from a water-bearing formation. The regulation applies throughout Renfrew County without exception.
Contractor Licensing Requirements
Ontario Regulation 903 requires that all well drilling, well alteration, and well decommissioning be performed by a licensed contractor. Two licence categories are relevant to residential well work in Renfrew County:
| Licence Type | Required For | How to Verify |
|---|---|---|
| Water Well Contractor licence | Drilling, constructing, altering, or decommissioning wells | Ask for licence number; verify with MECP |
| Well Technician licence | Installing, repairing, or servicing pump systems in wells | Required for pump installation/replacement |
Licences are issued by MECP and must be renewed periodically. A licensed contractor's licence number must appear on the completed Well Record. Homeowners should always ask for and verify the licence number before work begins — unlicensed drilling is illegal in Ontario and can invalidate property transactions, insurance, and mortgage approvals.
Insurance and WSIB Coverage
Licensed contractors in Ontario are expected to carry general liability insurance and must comply with Workplace Safety and Insurance Board (WSIB) coverage requirements for their workers. Ask for proof of both before authorizing work on your property. A contractor unable to produce these documents is a significant red flag.
Setback Distances Required Under Ontario Regulation 903
Setback distances protect wells from contamination by maintaining minimum horizontal separation between the well and potential pollution sources. These apply to all new well construction in Renfrew County. Some municipalities impose stricter local setbacks — always verify with the local township.
| Contamination Source | Minimum Setback Distance | Notes |
|---|---|---|
| Sewage system (tile field / leaching bed) | 15 metres (approximately 50 feet) | Most commonly applicable rule in rural Renfrew County |
| Septic tank / cesspool / holding tank | 30 metres (approximately 100 feet) | Tank itself, not the leaching bed |
| Property line | 15 metres (approximately 50 feet) | May be reduced by written agreement with adjacent landowner |
| Underground petroleum storage tank | 30 metres (approximately 100 feet) | Heating oil, gasoline, diesel storage tanks |
| Aboveground fuel storage | 15 metres (approximately 50 feet) | Farm fuel tanks, residential heating oil |
| Livestock housing (small operations) | 30 metres (approximately 100 feet) | Larger operations have greater required distances |
| Active road allowance / ditch | Local municipal requirement | Varies by municipality; check with township office |
Properties in Renfrew County often face setback challenges — rural lots sometimes have pre-existing septic systems close to where the best drilling geology exists. In tight situations, the licensed driller and property owner must work together to find a compliant location that also offers a reasonable chance of good yield.
The Well Record: What It Is and Why It Matters
The Well Record (formerly filed on a PWS form, now electronic through MECP's Ontario Well Record system) is the provincial record of every licensed well installation. Key facts:
- The licensed contractor must file a Well Record within 30 days of completing the well
- The Well Record documents: well location, depth, casing specifications, geological log, reported yield, water quality at time of drilling, and contractor licence number
- Records are stored in the publicly searchable Ontario Well Record Archive at ontario.ca
- Property owners should always obtain a copy of their Well Record and retain it permanently
- Well Records are required for mortgage financing, title insurance, property sales, and insurance claims related to wells
Finding Existing Well Records in Renfrew County
Before purchasing rural property in Renfrew County, any prospective buyer should search the Ontario Well Record Archive for wells on or near the property. Records show historical well depth, yield, and any identified water quality concerns at time of drilling. Records for wells pre-dating 1992 may be incomplete or missing — older properties sometimes have unregistered wells that require inspection and documentation by a licensed technician.
The Permit Process: What to Expect in Renfrew County
Drilling a new residential well in Renfrew County typically involves the following steps from a regulatory standpoint:
- Check municipal requirements: Contact the local township (e.g., Laurentian Valley, Renfrew, McNab/Braeside, Whitewater Region, Bonnechere Valley, Madawaska Valley) to determine if a local building permit or water-taking permit is required. Requirements vary by municipality.
- Verify contractor licensing: Confirm the driller holds a valid MECP Water Well Contractor licence. Request the licence number before work begins.
- Confirm setback compliance: Work with the driller to identify a well location that meets all provincial setback distances and any local municipal requirements.
- Drilling and completion: The licensed driller completes the well and files the Well Record with MECP within 30 days.
- Pump installation: A licensed Well Technician installs the pump system. Electrical work requires a licensed electrician; the pump circuit may require an ESA (Electrical Safety Authority) inspection.
- Initial water testing: Test for bacteria and basic chemistry before the well enters service. Results inform whether treatment is needed.
- Obtain copies: Request your Well Record copy, ESA approval, and any municipal permits for your permanent records.
Related Information
Hiring Guide
How to verify a contractor's Ontario licence and what to ask before signing anything.
Read GuideCost Guide
What all the permits, records, and compliance steps cost as part of a new well project.
Read GuideDrilling Guide
How the drilling and completion process works — the steps behind the Well Record.
Read Guide