Table 4.2    WSD Standards at Sea Water Intakes

 

Parameter (in mg/L unless otherwise stated)

WSD Target Limit

Colour (HU)

< 20

Turbidity (NTU)

< 10

Threshold Odour Number (odour unit)

< 100

Ammoniacal Nitrogen

< 1

Suspended Solids

< 10

Dissolved Oxygen

> 2

Biochemical Oxygen Demand

< 10

Synthetic Detergents

< 5

E. coli (no. / 100 ml)

< 20,000