The legal measure authorizes the health unit to enforce compliance with public health instructions.
It is meant to enforce people who have been told to self-isolate or quarantine by public health or a health care provider.
Those that do not comply can be fined $750 per day.
The maximums under the act are charges and fines up to $5000 per day under the act.
The order came into effect as 12:01 this morning and applies to all residents in Huron and Perth.
It can be enforced by public health inspectors and provincial offence officers such as police or by-law officers.