Table 1 Physicochemical characteristics and bacterial count of water samples from the three sites

pH

8.2 (7.9–8.5)

7.3 (7.1–7.5)

7.15 (7.0–7.4)

Salinity (ppm)

225 (180–320)

85 (75–125)

160 (100–175)

DO (mg/l)

7.2 (2.3–7.6)

4.5 (1.8–8.8)

6.3 (5.1–9.0)

Turbidity

27.3 (4.9–80.2)

51.7 (2.2–87.1)

64.3 (47.2–146.0)

TDS (mg/l)

507.5 (256.0–665.5)

237.0 (185.5–317.0)

167.0 (163.0–256.2)

TSS (mg/l)

157.5 (72.0–358.0)

275.5 (156.0–293.0)

170.0 (151.0–323.0)

Chlorophyll a

11.6 (11.3–12.0)

11.9 (11.7–12.3)

12.2 (12.0–12.4)

Bacterial count (10³ CFU/100 ml)

317 (233–400)

233 (192–291)

546 (252–660)