As of July 10, 2018, Collin County is under a burn ban. The McKinney Fire Marshal's Office is following suit with a burn ban for the City of McKinney. It also includes the ETJ and fire district property.
Under the Ban
No open burning is allowed
No recreational fires
Wood-burning fire pits or campfires are not allowed
The burn ban does not include residential grills or smokers
Recreational fires are defined as, "an outdoor fire burning materials other than rubbish, where the fuel being burned is not contained in an incinerator, outdoor fireplace, barbecue grill or barbecue pit and has a total fuel area of three feet or less in diameter and two feet or less in height for pleasure, religious, ceremonial, cooking, warmth or similar purposes."
Prohibited Open Burning
Open burning that is offensive or objectionable due to smoke or odor emissions when atmospheric conditions or local circumstances make such fires hazardous shall be prohibited. Fire Department officials are authorized to order the extinguishing by the permit holder or the Fire Department of open burning which creates or adds to a hazardous or objectionable situation.