Impact on the Quality of Life When Living Close to a Municipal Wastewater Treatment Plant

Table 6

Odors existence and frequency of occurrence (235 cases).

Odors existence	187	79.6%
Frequency of odors (>3 times/month)	145	61.7%
Odors daily timetable
Early hours	92	28.1%
Midday hours	35	10.7%
Afternoon hours	68	20.8%
Evening hours	132	40.4%
Odors yearly timetable
Spring	135	28%
Summer	176	36.4%
Autumn	86	17.8%
Winter	86	17.8%