Skip to content
    Print Icon  

Call Before You Dig

Essex county planning map

Before you start your project, an underground locate is needed to complete your project safely and avoid damage to buried lines.Call Before you Dig - Ontario One Call

Ontario One Call

Ontario One Call was formed in 1995 by various representatives from Electrical, Gas, Telecom, and Sewer and Water Utilities. To request an underground facilities locate:

Ontario One Call is open 24 hours a day, 7 days a week. Please provide at least 5 working days’ notice.

How to request County of Essex owned utilities

The County of Essex is now a member Ontario One Call and all requests to find and mark County owned utilities are processed through them.

Contact Ontario One Call to request locates by visiting their website, or by phone at: 1-800-400-2255.

Other utilities and municipalities

Not all service providers are members of Ontario One Call. It is your responsibility to contact your local municipality and other service providers if they are not yet members of Ontario One Call.


Ontario One Call is available 24 hours a day, 7 days a week. A locate is always required before digging, even in an emergency.

An emergency is when an essential service has been interrupted and it is necessary to repair the utility and restore service to prevent or limit a public health or safety hazard.

Emergency locates can only be requested by phone at: 1-800-400-2255.