- Type of Premises: Place of Worship
- Risk Category: Low
- Name: Mt. Zion Apostolic Ark Church of Jesus Christ
- Address: 14009 Regional Rd. 25 Halton Hills, ON L7J 2L9
- Type of Water Advisory: Boil Water Advisory
- Reason(s): Adverse observation*
- Date Water Advisory Issued: October 24, 2024
- Corrective actions to be taken:
- Post warning notices
- Notify users not to drink the water
- Repair/install treatment equipment
- Flush, resample and test
- Date water advisory lifted: May 7, 2025
- Corrective actions taken and outcome:
- Corrective actions completed
- Resampling result is satisfactory
*An adverse observation is an observed event (other than an adverse test result) that suggests that the system may not be providing water that is safe for the users to drink.