Bacteriological Complaints from Owners/Tenants of Private Supply

Policy

Category: Safe Water       
Subject: Bacteriological Complaints from Owners/Tenants of Private Supply
Division: N/A
Policy Number: CA.83.01.103
Effective Date: Mar. 1996

POLICY STATEMENT

It is the policy of Wellington-Dufferin-Guelph Public Health to verify and respond in an appropriate manner to water related complaints.

 

 

APPROVED BY

Rob Thompson


Procedure

Category: Safe Water
Subject: Bacteriological Complaints from Owners/Tenants of Private Supply
Division: N/A
Procedure Number: CA.83.02.103
Effective Date: Mar. 1996

PROCEDURE

  1. Owner of Private Supply
  • If water results are greater than zero (0) total coliform or greater than zero (0) E.coli, advise owner to boil water for consumption until the water is re-sampled.  Two additional samples taken one week apart will provide a better understanding of possible problems. Provide appropriate literature as outlined in CA.83.01.101 Requests for Information from Owners/Tenants on Bacteriologically Unsafe Private Supply.
  1. Tenant on Private Supply (less than 6 tenants)
  • If the caller is a tenant, obtain owner information and contact the owner.  Advise the tenant to boil the water until further notice or until water sample results are satisfactory. Advise owner to take remedial action.  Further adverse results and failure to remediate may warrant the issuance of an order.  The order would require the owner to provide the tenant(s) with an alternative source of potable water or to install a water disinfection device.
  1. Six or more Dwelling Units on Private Supply (subject to O.R. 319/08 may need to be determined)
  • If 6 or more dwelling units use the same water source and the results are greater than zero (0) total coliform or greater than zero (0) E.coli, a second water sample will be required. If the second set of samples are adverse, a Boil Water Advisory letter (HPD SW (L)2) is to be provided to the owner and this notice is to be provided to all tenants.  The Ministry of the Environment is to be notified by faxing the same notice along with the results of the water samples on the appropriate MOE form. The Ministry of Health must also be notified of the results using the electronic BWNDWA form.  Ensure appropriate documentation is maintained.
  • Have the owner take all necessary corrective action to improve the well water quality. Super-chlorination may be undertaken as a preliminary course of action.  The tenants will need to be notified of this procedure.
  • Owner to re-sarnple once all chlorine has been flushed out of the system (this may take a minimum of 48 hours).
    • Two satisfactory water samples must be obtained before notifying the residents that the water is potable.
    • When a UV light or other treatment device has been installed, obtain two satisfactory samples.
  • Repeat adverse water results will warrant an order for the operator to provide potable water.  A water disinfection device such as a chlorinator or ultra-violet light would be suitable.
  • Once it has been determined that the water is consistently potable, issue the owner a Removal of Boil Water Advisory letter (HPD SW (L)3).  Fax the Ministry of the Environment the rescind notice.  Complete the appropriate areas of the Ministry of Health form and fax or e-mail it.

 

APPROVED BY

Rob Thompson