Sewage Treatment in Campus for Recycling Purpose: A Review
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Table 7
Irrigation water quality guidelines and standards for wastewater reuse in agriculture
Parameters South Korea 1
WHO 2
Cyprus 3
France
Portugal
Spain
Coliform
(/100 mL)
FC
ND TC
UR E.coli
(cfu)
≤ 1000
Cooked
vegetables
FC (MPN)
≤ 100
UR
E.coli
(cfu)
≤ 250
Vegetables
consume
raw
FC (cfu)
≤ 100
Uncooked
vegetables
E.coli
(cfu)
≤ 100
PFC
TC
(MPN)
≤
200
R
E.coli
(cfu)
≤10,000
Crops for
human
consumption
FC (MPN)
≤ 1000
All crops
except
those
consumed
raw
E.coli
(cfu)
≤10,000
Cooked
vegetables
FC (cfu)
≤ 1000
Crops for
human
consumption
E.coli
(cfu)
≤1000
Turbidity
FC
≤2
– a
–
–
TSS
≤ 60
Uncooked
vegetables
≤10
PFC
≤5
Crops for
human
consumption
–
Suspended
solids
(mg/L)
–
–
Cooked
vegetables
≤15
UR
<15
–
Uncooked
vegetables
≤20
Crops for
human
consumption
≤45
All crops
except
those
consumed
raw
Varies b
Crops for
human
consumption
≤35
(continued)