Parameter Site location
Koto Malintang Koto Kaciek Bayur Outlet Danau Sigiran
Temperatures(oC) 27.66 ± 0.57a 27.33 ± 0.57a 28.00 ± 0.00a 26.66 ± 0.57b 26.66 ± 0.57b
pH 10.00 ± 0.00a 10.00 ± 0.00a 9.00 ± 0.00b 9.3 ± 0.28c 9.00 ± 0.00b
TSS (mg/l) 14.35 ± 0.40a 16.44 ± 0.04b 17.03 ± 0.07c 4.19 ± 0.03d 20.45 ± 0.02e
TDS (mg/l) 33.08 ± 0.11a 26.73 ± 0.03b 20.25 ± 0.02c 9.77 ± 0.03d 39.69 ± 0.02e
Brightness(m) 2.00 ± 0.00a 1.19 ± 0.17b 1.93 ± 0.11a 2.00 ± 0.00a 1.29 ± 0.03c
O2(mg/l) of watersurface 6.10 ± 0.04a 6.24 ± 0.02b 6.77 ± 0.02c 6.36 ± 0.03d 5.73 ± 0.03e
O2(mg/l) a depth of15m 3.69 ± 0.04a 3.24 ± 0.04b 4.12 ± 0.02c 4.89 ± 0.03d 3.96 ± 0.01e
BOD5 (mg/l) 2.03 ± 0.02a 2.74 ± 0.01b 2.13 ± 0.03c 2.60 ± 0.03d 2.98 ± 0.03e
COD (mg/l) 30.50 ± 0.02a 47.79 ± 0.02b 16.11 ± 0.05c 8.91 ± 0.02d 24.05 ± 0.04e
Total P (mg/l) 0.49 ± 0.03a 0.63 ± 0.03b 0.57 ± 0.02a 0.54 ± 0.04a 0.62 ± 0.02b
Total N (mg/l) 1.076 ± 0.02a 1.111 ± 0.00a 1.373 ± 0.35a 1.563 ± 0.03b 1.189 ± 0.10a
DHL (ms/cm-1) 47.47 ± 0.03a 39.86 ± 0.03b 33.66 ± 0.03c 23.18 ± 0.01d 45.33 ± 0.03e
Information :Avarage ± SD (n=3) with different superscript letters indicate significant differences (p<0.05)
Table 4: Water quality parameters Maninjau waters in July 2013.