Nuisance means the external impact caused by an activity that is reasonably likely to interfere with the use and enjoyment of an individual's property, due to: 
a. the frequency, time of day and day of the week the activity occurs; 
b. the proximity of the activity to neighbouring properties; 
c. the nature and use of the surrounding area; or
d. the effects of the activity on the surrounding area.   
Typical examples include emission of noise, smoke, dust, vapour, odour, heat, light, fumes, or unsightly or unsafe conditions, or use of toxic or hazardous materials.