Temperature (^oC)

23.4

(16.8-27.9)

Natural daily level ± 2 ^oC

Salinity (ppt)

32.8

(31.4-34.0)

natural ambient level ± 10 %

Dissolved Oxygen (DO)

(mg L^-1)

5.8

(4.1-7.6)

³ 4 mg L^-1

Bottom

5.6

(3.6-7.6)

³ 2 mg L^-1

DO (% saturation)

81

(62-95)

-

Bottom

79

(53-95)

-

pH value

8.2

(8.0-8.4)

6.5 - 8.5 (± 0.2 from natural range)

Secchi disc depth (m)

2.4

(1.8-4.5)

-

Turbidity (NTU)

9.0

(5.2-15.7)

-

SS (mg L^-1)

5.5

(1.7-13.5)

£ natural ambient level + 30%

Silica (as SiO₂)

(mg L^-1)

0.6

(0.2-1.3)

-

BOD₅ (mg L^-1)

0.8

(0.4-1.4)

-

Nitrite Nitrogen (mg L^-1)

0.01

(<0.01-0.07)

-

Nitrate Nitrogen (mg L^-1)

0.04

(<0.01-0.13)

-

Ammonia Nitrogen

(mg L^-1)

0.02

(0.01-0.04)

-

Unionised Ammonia

(mg L^-1)

0.002

(<0.001-0.005)

£ 0.021 mg L^-1

Total Inorganic Nitrogen (mg L^-1)

0.08

(0.01-0.21)

£  0.1 mg L^-1

Total Nitrogen

(mg L^-1)

0.19

(0.10-0.32)

-

Orthophosphate Phosphorus(mg L^-1)

<0.01

(<0.01-0.01)

-

Total Phosphorus

(mg L^-1)

0.02

(0.02-0.02)

-

Chlorophyll-a

(µg L^-1)

2.1

(0.9-9.4)

-

E. coli (cfu per 100 mL)

35

(2-350)

< 610 cfu per 100 mL

Faecal Coliform

(cfu per 100 mL)

72

(6-590)

-