Adverse Water Quality Incident Report

Location:
David Fisher Residence, City of Waterloo, Region of Waterloo

Incident Resolution:
Pending. The Region of Waterloo Health Unit issued a BWA on November 7, 2005 BWA ongoing

Type of water source:
Groundwater ,treatment provided by a point of entry U.V. system

Population served:
Approximately 25 residents and staff.

Water works owned/operated by:
Privately Owned and operated System Class: Small Non-Municipal Non-Residential serving a designated facility

Date MOE notified and by whom:
November 5, 2005 by Enviro Test Laboratories

Date MOH notified and by whom:
November 5, 2005 by Enviro Test Laboratories

Date of First Sample(s):
November 4, 2005

Who conducted the sampling?:
Owner

Why was sampling initiated?:
Testing treatment equipment

Sample contaminant details:
Total Coliforms – 5 Background Count – 4 per 100 mL

Resampling details and results:
Resample scheduled for: November 7, 2005, and when treatment equipment is operational.

MOE Role:
The local Health Unit and Ministry staff will continue to work closely with the owner of the system to protect public health, and to ensure that a safe potable water supply is maintained for the users of this system.

Background (if there is a history of the site):
- A Boil Water Advisory was issued on June 24, 2004, due to the presence of Total Coliform in the drinking water sample. - There were two (2) previous adverse water quality events reported to the ministry due to the detection of total coliform and total coliform background. - The system also reported high sodium levels in July 2003.