The investigated parameters

unit

Surface water

Well water

The quality of water by classes based on parameter values

Grabovac

Apr./13

Grabovac

Sep. /13

Grabovac

Feb. /14

Balaban

Apr./13

Balaban

Sep./13

Balaban

Feb./13

Grabovac

Apr./13

Grabovac

Sep./13

Grabovac

Feb./13

I

II

III

IV

V

Scent

the smell of rot

the smell of rot

the smell of rot

the smell of rot

the smell of rot

the smell of rot

without

without

without

Colors

NTU

2.1

2.0

2.2

2.1

1.9

2.1

no color

no color

no color

Suspended solids

mg/dm³

21

18

19

9.5

14

11

4

4

4

25

25

-

-

-

The water temperature in the field

˚C

12

16

9

8

15

6

9

10

9

The air temperature

˚C

10

15

7

7

14

3

10

15

8

Electrical conductivity

mg/dm³

442

508

451

442

395

369

236

224

230

<1000

1000

1500

3000

>3000

The pH value

mg/dm³

7.9

8.1

8.2

7.8

8.1

7.9

7.8

7.9

7.9

6.5 - 8.5

6.5 - 8.5

6.5 - 8.5

6.5 - 8.5

<6. or >8.5

The concentration of dissolved O₂

mg/dm³

5.4

5.3

5.4

6.1

6.3

6.2

8.9

8.7

8.8

-

7

5

4

< 4