A Rainwater Harvesting and Treatment System for Domestic Use and Human Consumption in Native Communities in Amazonas (NW Peru): Technical and Economic Validation
Table 5
Water quality (mean ± standard deviation) based on monthly evaluation during two months of the low water season (September and October 2020).
Systems samples (inlet/outlet)
pH (units)
Turbidity (NTU)
Aluminium (mg/L)
Zinc (mg/L)
FPK-S2 (inlet)
6.95 ± 0.12
1.75 ± 0.21
0.67 ± 0.69
2.51 ± 0.84
FPK-S2 (outlet)
6.99 ± 0.05
1.10 ± 0.42
1.26 ± 1.44
1.82 ± 0.24
FJT-S1 (inlet)
6.80 ± 0.27
1.20 ± 0.28
0.16 ± 0.04
2.06 ± 0.44
FJT-S1 (outlet)
6.81 ± 0.18
1.55 ± 0.21
0.29 ± 0.20
2.59 ± 0.86
FT-S4 (inlet)
7.07 ± 0.13
1.35 ± 0.21
0.21 ± 09
3.12 ± 2.12
FT-S4 (outlet)
7.03 ± 0.12
1.85 ± 0.07
0.24 ± 0.13
3.30 ± 2.31
FI-S3 (inlet)
7.30 ± 0.08
1.90 ± 0.14
0.46 ± 0.28
4.93 ± 3.89
FI-S3 (outlet)
7.29 ± 0.08
2.20 ± 0.28
0.22 ± 0.01
4.92 ± 3.90
D.S. N° 031-2010-SA
6.5–8.5
5 UNT
0.2 mg Al/L
3.0 mg Zn/L
Noncompliant; nc = not contemplated in the standard.