Evaluation of the Water Quality Status and Pollution Load Carrying Capacity of Way Umpu River, Way Kanan District, Lampung Province, Indonesia, Based on Land Use
Table 2
Water quality measurement results.
No.
Parameters
Unit
Standard Class III
Sampling location
ST-1
ST-2
ST-3
ST-4
ST-5
ST-6
ST-7
1
Air Temp
°C
—
27 ± 0
29 ± 0
27 ± 0
29 ± 0
29 ± 0
27 ± 0
28.5 ± 0
2
Water Temp
°C
—
27.9 ± 0.1
27.6 ± 0.1
27.9 ± 0.3
29.2 ± 0.3
28.1 ± 0.1
27.9 ± 0.1
27.7 ± 0.1
3
TDS
mg/L
1,000
28 ± 1.4
24.5 ± 1.1
28.6 ± 1.2
42.1 ± 1.2
24 ± 2.8
31.2 ± 0.2
26.0 ± 0.6
4
TSS
mg/L
100
7.4 ± 0.4
12 ± 1.0
11.2 ± 0.8
235 ± 2.8
11.2 ± 1.6
1 0.8 ± 0.4
12.0 ± 0.7
5
Color
Pt-Co
100
38.7 ± 2.8
40.5 ± 1.7
56.7 ± 1.5
181 ± 7.1
36.9 ± 2.1
42.3 ± 2.8
41.0 ± 1.3
6
Turbidity
NTU
—
4.9 ± 0.6
5.8 ± 0.1
6.8 ± 0
70.6 ± 6.4
6.3 ± 0.1
9.4 ± 0.4
6.4 ± 0.2
7
pH
—
6–9
7.8 ± 0.1
7.4 ± 0.1
7.8 ± 0.08
6.7 ± 0.3
7.5 ± 0.2
7.7 ± 0.2
7.6 ± 0.1
8
Salinity
o/oo
—
0
0
0
0
0
0
0 ± 0
9
BOD
mg/L
6
2 ± 0.3
2.2 ± 0.3
3.6 ± 0.07
9.7 ± 0,2
2.4 ± 0.3
2.0 ± 0.1
2.2 ± 0.2
10
COD
mg/L
40
1.9 ± 0.1
4.4 ± 0.4
7.9 ± 0.3
22.4 ± 1.6
5.0 ± 0.1
4.1 ± 0.2
4.0 ± 0.4
11
DO
mg/L
3
3.9 ± 0.6
3.8 ± 0.1
4.1 ± 0.003
3.9 ± 0.6
3.8 ± 0.2
3.7 ± 0.3
3.8 ± 0.2
12
P (PO4−)
mg/L
1
0.4 ± 0.01
0.5 ± 0.04
0.6 ± 0.003
0.3 ± 0.02
0.4 ± 006
0.4 ± 0.04
0.4 ± 0.1
13
N(NO3−)
mg/L
20
0.5 ± 0.01
0.7 ± 0.06
0.7 ± 0.0004
1.7 ± 0.04
0.8 ± 0.03
1.5 ± 0.4
0.7 ± 0.01
14
Cd
mg/L
0.01
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
15
Cr
mg/L
0.05
0.0003 ± 0
0.0003 ± 0
0.0003 ± 0
0.0003 ± 0
0.0003 ± 0
0.0003 ± 0
0.0003 ± 0
16
Cu
mg/L
0.02
0.002 ± 0.001
0.003 ± 0.001
0.004 ± 0.0001
0.002 ± 0.0003
0.001 ± 0.0004
0.002 ± 0.001
0.003 ± 0.0009
17
Pb
mg/L
0.03
0.001 ± 0.001
0.001 ± 0.0001
0.0009 ± 0.00004
0.001 ± 0.0001
0.0007 ± 0.0001
0.0008 ± 0.001
0.001 ± 0.0002
18
Hg
mg/L
0.002
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
0.0002 ± 0
19
N (NO2−)
mg/L
0.06
0.002 ± 0.002
0.003 ± 0.001
0.002 ± 0.0001
0.008 ± 0.001
0.002 ± 0.001
0.007 ± 0.003
0.003 ± 0.0003
20
Cn
mg/L
0.02
0.01 ± 0
0.01 ± 0
0.01 ± 0
0.01 ± 0
0.01 ± 0
0.01 ± 0
0.01 ± 0
22
Fecal coliform
MPN/100 mL
2,000
7.2 ± 0.3
9.4 ± 1.0
7.2 ± 0.1
11 ± 1.4
7.4 ± 1.4
7.2 ± 0.3
8.8 ± 0.6
23
Total coliform
MPN/100 mL
10,000
7.2 ± 0.3
9.4 ± 1.0
11 ± 1.4
11 ± 1.4
7.4 ± 1.4
7.2 ± 0.2
8.8 ± 0.7
Standard: water body for Class III purposes according to Local Regulation of Lampung Province [20]. ST-7∗: The results obtained are based on the calculation of the pollution load capacity according to Kepmen LH No. 110 of 2003 [17].
