3.1.2. Drains discharging to Lake TimsahThe water quality of Mahsama Drain is mostly related as fair for aquatic uses (Fig. 5). Results of the temporal trendsdo not demonstrate any statistically significant trends (P = 0.371, R2= 9.0%; Table 3). Therefore, temporal trendsconfirmed that the year of measurement from 2002 to 2013 has a small impact on WQI.