Period

Water level at the beginning

Water level at the end

Storage at the beginning

Storage at the end

Average water spread area

Saving in evaporation due treatment

(m)

(m)

(mcum)

(mcum)

(msqm)

(m)

(mcum)

16-Dec-85 to 31-Dec-85

140.78

140.48

2.53

2.06

1.55

0.01

0.01

Jan-86

140.48

139.96

2.06

1.24

1.43

0.02

0.03

Feb-86

139.96

139.56

1.24

0.79

1.15

0.03

0.03

Mar-86

139.56

139.13

0.79

0.36

0.98

0.04

0.04

Apr-86

139.13

138.70

0.36

0.00

0.84

0.05

0.04

May-86

138.70

138.25

0.00

−0.17

0.38

0.05

0.02

Total saving in evaporation

0.18