PARAMETERS

UNIT

AVERAGE VALUE
(MARCH 1993)

AVERAGE VALUE
(APRIL 1993)

RANGE (MAY 1994)

TEMPERATURE

°C

N/A

29.5

28.3 – 30.2

TOTAL COLI

NMP/100 ml

-

-

Min 5.49*10⁶
Max 13.43*10⁶

FECAL COLI

Fc/100 ml

-

-

Min: ab. max::80

CLOROPHYLL-a

µ g/l

-

-

Average:17.25

TOTAL ALKALINITY

M g/l

84.50

84.50

72.95 – 78.80

BICARBONATES

M g/l

98.28

96.88

81.07 – 91.91

TOTAL HARDNESS

M g/l

73.98

74.24

68.65 – 72.70

BORON

M g/l

0.09

0.10

0.04 – 0.37

CALCIUM

M g/l

17.39

17.36

16.21 – 17.55

CARBONATES

M g/l

2.35

3.72

0.00 – 5.66

CHLORINE

M g/l

17.67

14.67

220 – 227

CONDUCTIVITY

µs/cm

236.00

251.78

15.38 – 49.99

DQO

Mg/l

54.12

24.80

15.38 – 49.9

FLUORIDE

Mg/l

0.24

0.37

0.22 – 0.37

REAC. PHOS. DIS.

µg/l

< 10.0

<=10.0

<5.0

TOT. PHOS. DIS

µg/l

29.0

<=10.0 to 19.0

<5.0 - 7.0

TOTAL PHOSPHOROUS

µg/l

62.0

50.0

<5.0 - 42.0

TOTAL IRON

Mg/l

0.78

0.78

0.08 - 0.54

MAGNESIUM

Mg/l

7.42

7.52

6.77 - 7.36

AMMONIUM

Mg/l

<0.013

0.024

0.05 - 0.24

NITRITES

Mg/l

<0.10

<=0.05- 0.15

<0.05 - 0.05

NITRATES

Mg/l

<0.05

<=0.05 - 0.15

<0.05 - 0.27

DISSOLVED OXYGEN

Mg/l

6.65

6.87

5.20 - 8.80

pH

7.73

7.85

8.10 - 8.47

POTASSIUM

Mg/l

4.23

4.25

3.80 - 4.00

SILICA

Mg/l

17.12

17.55

18.66 - 22.94

SODIUM

Mg/l

21.00

20.22

19.10 - 21.20

TURBIDITY

UNT

196

231.11

4.30 - 11

TOT. SOL. DISSOLVED

Mg/l

182

175.29

161.29 - 189.30

SULFATES

Mg/l

10.39

10.89

8.96 - 10.22