Table 3.

Two-way analysis of variance with post hoc analysis using Tukey's HSD on physical parameters and viruses present.

Treatment	pH	Temp. (°C)	EC (μS/cm)	TDS (mg/l)	DO (mg/l)	Turbidity (NTU)	HAdV detected	EV detected
Season
Dry	7.00 ± 0.00a∗	25.90 ± 0.03a	70.73 ± 3.89a	50.14 ± 3.24a	8.81 ± 0.12a	9.98 ± 0.25a	0.05 ± 0.02a	0.03 ± 0.02a
Wet	7.03 ± 0.011072b	25.56 ± 0.07a	0.28 ± 0.05b	47.56 ± 2.08b	8.58 ± 0.11b	19.73 ± 0.85b	0.056 ± 0.02a	0.04 ± 0.02a
Site
S1	7.00 ± 0.0b	25.47 ± 0.13c	56.97 ± 11.40a	87.17 ± 6.13a	9.55 ± 0.20a	6.06 ± 0.25e	0.03 ± 0.03a	0.03 ± 0.03a
S2	7.00 ± 0.00b	25.78 ± 0.07abc	60.02 ± 10.14a	30.58 ± 1.66c	9.46 ± 0.24a	16.00 ± 1.05c	0.00 ± 0.00b	0.03 ± 0.03a
S3	7.00 ± 0.00b	25.83 ± 0.06ba	34.63 ± 5.90b	50.72 ± 1.58b	8.46 ± 0.17bc	11.00 ± 0.40d	0.06 ± 0.04a	0.00 ± 0.00a
S4	7.00 ± 0.00b	25.53 ± 0.13bc	20.62 ± 3.38c	25.47 ± 0.78d	8.63 ± 0.15b	15.50 ± 1.11c	0.00 ± 0.00b	0.00 ± 0.00a
S5	7.06 ± 0.03a	25.83 ± 0.06ab	3.91 ± 0.00c	50.00 ± 3.66b	8.08 ± 0.11bc	21.50 ± 1.56a	0.14 ± 0.06a	0.08 ± 0.05a
S6	7.03 ± 0.02ab	25.92 ± 0.05a	4.25 ± 0.00c	49.17 ± 3.52b	7.98 ± 0.10c	19.08 ± 1.34b	0.08 ± 0.05a	0.06 ± 0.04a
WHO standards	6.5–8.5	25°C ± 2	500–5000	500–1000	8–9	<5
P values
Season	0.0090	<0.0001	<0.0001	0.0028	0.0447	<.0001	0.7440	0.7010
Site	0.0077	0.0002	<0.0001	<0.0001	0.0447	<.0001	0.0373	0.3046

^∗Values followed by the same letter along the column are not significantly different based on Tukey's HSD at p ≤ 0.5. EC: electrical conductivity, TDS: total dissolved solids, and DO: dissolved oxygen.