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Westin Trillium House-Outdoor Pool

220 Gord Canning Drive, Blue Mountains ON L9Y0V9 · Outdoor B

Official record from Grey Bruce →

Inspection summary

Westin Trillium House-Outdoor Pool has been inspected 12 times by Grey Bruce Health Unit (Grey Bruce Public Health) since August 1, 2023. The most recent inspection, on August 20, 2026, recorded 2 infractions.

4 of 12 inspections on record found no infractions at all. In the past 12 months there were 4 inspections with 4 infractions recorded. The higher-risk findings here relate to: Pool and spa water quality.

The number of infractions per inspection has stayed roughly the same over time.

What these findings mean

Health authorities word their findings differently, so we group them by what they mean for the people using the facility. Higher-risk findings are the ones that could directly cause illness or injury, such as water that is not properly treated.

  • Pool and spa water qualityHigher risk

    For pools, spas and splash pads, inspectors test disinfectant levels, pH and water clarity, and check safety equipment. Water that is not properly treated can spread skin, ear and stomach infections.

    Recorded 11 times across 7 separate inspections, most recently on August 20, 2026. For example: Caution notice(s) are posted in not fewer than 2 locations at the pool.

  • Equipment and utensilsLower risk

    Pumps, filters, chemical feeders and safety equipment such as lifebuoys, reaching poles and first-aid kits must be present and working. Missing safety equipment can matter a great deal in an emergency.

    Recorded once on August 20, 2026. For example: Safety equipment, in accordance with the Regulation, is provided and conveniently located for emergency use at the pool.

  • Other findingsLower risk

    Findings that do not fit the categories above, such as follow-ups that confirm an earlier violation was corrected, or requirements specific to this type of facility.

    Recorded once on October 29, 2025. For example: The Oxidation Reduction Potential (ORP) value is not less than 600 mV and not greater than 900 mV when an automatic sensing device is used.

About this data

These results come from Grey Bruce Health Unit (Grey Bruce Public Health), which inspects food premises and other public facilities in this area. We republish the authority's public disclosure data and refresh it regularly; the official record is the final word.

12 inspections

  1. Routine

    2 infractions

    • Safety equipment, in accordance with the Regulation, is provided and conveniently located for emergency use at the pool.
    • Caution notice(s) are posted in not fewer than 2 locations at the pool.
      • Fail to indicate on the caution notices the maximum number of bathers permitted on the deck and in the pool at any time.
  2. Routine

    0 infractions

  3. Routine

    1 infraction

    • The pH value is within the range of 7.2 - 7.8, in every part of the pool and at all times during the daily use period.
  4. Routine

    1 infraction

    • The Oxidation Reduction Potential (ORP) value is not less than 600 mV and not greater than 900 mV when an automatic sensing device is used.
      • Fail to maintain the ORP value at a minimum of 600 mV and maximum of 900 mV.
  5. Routine

    0 infractions

  6. Routine

    1 infraction

    • Free available chlorine maintained between 1.0-10 ppm, and cyanuric acid concentration not greater than 60 ppm, when stabilization is maintained
  7. Routine

    0 infractions

  8. Follow-up

    0 infractions

  9. Routine

    3 infractions

    • pH maintained between 7.2-7.8
    • ORP maintained between 600-900mv if pool equipped with automatic sensing device
    • Free available chlorine maintained between 1.0-10 ppm, and cyanuric acid concentration not greater than 60 ppm, when stabilization is maintained
      • Fail to ensure appropriate free available chlorine and cyanuric acid concentration [paragraph 1 of subsection 7 (10)]
  10. Routine

    1 infraction

    • pH maintained between 7.2-7.8
  11. Routine

    2 infractions

    • Total alkalinity maintained between 80-120 ppm
    • pH maintained between 7.2-7.8
  12. Routine

    2 infractions

    • Total alkalinity maintained between 80-120 ppm
    • pH maintained between 7.2-7.8

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