Contact Us

  • 613-933-1375
  • 1 800 267-7120
  • info@eohu.ca 
    (Emails are monitored Monday to Friday during regular office hours. Please provide a phone number where you can be reached during the day).
  • Use the contact form

We answer requests for information from residents of the counties of Stormont, Dundas, Glengarry, Prescott, Russell and the City of Cornwall.


OFFICE HOURS (SUMMER HOURS)

Cornwall and Casselman offices: Monday to Friday, 8 a.m. to 4 p.m.

Other offices: Monday to Friday, 8 a.m. to noon, and 1 to 4 p.m.

Click here to see WELL WATER SAMPLE DROP-OFF HOURS.

ALEXANDRIA
60 Anik Street
Suite 200
Alexandria, ON  K0C 1A0
Tel.: 613-525-1112
or  1 844 225-1112
Fax: 613-525-2603
Map

CASSELMAN
872 Principale Street
P.O. Box 338
Casselman, ON  K0A 1M0
Tel.: 613-764-2841
or  1 800 267-8260
Fax: 613-764-0264
Map

CORNWALL
Head Office
1000 Pitt Street
Cornwall, ON  K6J 5T1
Tel.: 613-933-1375
or  1 800 267-7120
Fax: 613-933-7930
Map

HAWKESBURY
134 Main Street East
Suite 301
Hawkesbury, ON  K6A 1A3
Tel.: 613-632-4355
or  1 800 565-2314
Fax: 613-632-4171
Map

ROCKLAND
2229 Laurier Street
Suite 200
Rockland, ON  K4K 0B7
Tel.: 613-446-1400
or  1 844 446-1400
Fax: 613-446-1454
Map

WINCHESTER
530 Fred Street, Suite A
P.O. Box 3-11
Winchester, ON  K0C 2K0
Tel.: 613-774-2739
or  1 844 774-2739
Fax: 613-774-4079
Map