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November 27, 2019
Municipal Class Environmental Assessment Study - Water Treatment Plant Process Residuals Management, Dereham Centre


Oxford County has initiated a Schedule B Municipal Class Environmental  Assessment  (Class EA) study for upgrades to the Dereham Centre Water Treatment Plant (WTP) (refer to map). To continue to provide high-quality drinking water, Oxford County will be incorporating  a new filtration process at the WTP to reduce iron and arsenic levels in the water. The new filtration process will generate backwash waste residual that requires management.  All site work

associated with the project will be on County property.

The purpose of the Class EA study is to determine the preferred method of process residuals management  at the WTP. The study will follow a comprehensive, sound and open planning process to ensure the objectives are met, and impacts to the protection of the environment, as well as public health and safety, are considered.

The Class EA study is being carried out in accordance with the planning and design process for ‘Schedule B’ projects as outlined in the Municipal Class

Environmental  Assessment  (October 2000, as amended

in 2007, 2011 and 2015), which is approved under the

Ontario Environmental  Assessment  Act.


Consultation  with stakeholders  is a key component of the study process. As a part of the study, a Public Consultation  Centre (PCC) is being held to present the residual management  alternatives that were evaluated as well as the preferred alternative and its associated impacts and proposed mitigation measures.


The PCC will be a drop-in format to provide residents/ interested parties with an opportunity to review and comment on the recommended  preferred alternative. Representatives from the County and its consultant will be present at the PCC to answer questions and discuss next steps in the study. The date and location of the PCC is as follows:

DATE: December 9, 2019
TIME: 5:00 p.m.—7:00 p.m.
Location: Dereham Centre Hall
312901 Dereham Line
Mt. Elgin, ON  N0J 1N0


If you have any questions or comments please contact either of the following project team members:

Jesse  Keith, P.Eng.,  Project Manager
Oxford County Public Works
21 Reeve Street, P.O. Box 1614
Woodstock,  ON  N4S 7Y3
1-800-755-0394 ext.3194 |

Anna  Comerton, Ph.D., P.Eng.,  Project Manager
Associated Engineering  (Ont.) Ltd.
200 - 165 Commerce Valley Drive West
Markham, ON  L3T 7V8
416-937-6250  |

Additional information related to the Study and consultation process may be obtained through the study website:

Oxford County is taking steps to support our community's response to COVID-19 (coronavirus disease) and measures taken by Southwestern Public Health. We are monitoring our operations daily to ensure we are taking the right actions to protect our residents, employees and visitors. Get updates at