“Wetland Restoration and Pollution Reduction” GEF TF 050706


REPORT


Hydrochemical and hydrobiological local monitoring of water, soils and sediments of the two project areas – Persina Nature Park and Kalimok-Brushlen Protected Area – perior to the restoration work























BASELINE MONITORING RESULTS


PHASE II PERIOD 2005

















A N N E X 2





BASELINE MONITORING RESULTS


PHASE II - period – April through Septemember 2005.


HYDROCHEMICAL AND HYDROBIOLOGICAL LOCAL MONITORING


PERIOD 2005
















ANNEX 2.1






Baseline Monitoring Results

PHASE II - period–April 2005



HYDROCHEMICAL MONITORING

















ANNEX 2.1.1










HYDROCHEMICAL MONITORING




І Persina Nature Park

period – April 19 through April 29, 2005.








І Persina Nature Park


period – April 19 through April 29, 2005.


1. the Danube in the flooded wetlands area

Table IІ-1



No

Indicators

Unit

P o i n t s

ELV

Cathegory III




the Danube Fishermen settlement, Hisarlak locality (upstream of Persin Island and the town of Belene)

the Danube, Belene arm, opposite Persina 2 PS ”

the Danube, end of Belene arm, boundary of Persina Nature Park, after the end of Persin Island, upstream of the Svilosa plant, town of Svishtov

the Danube, the arm between Goliama Barzina and Persin Islands, near the Fishermen’s Hut

the Danube, at the mouth of Gardata drainage channel


1

2

3

4

5

6

7

8

9

1

Geographic coordinates

grad

430 40.820’ N 250 06.060’ E

430 38.648’ N

250 12.975’ E

430 39.037’ N

250 17.552’ E

430 40.861’ N

250 12.710 ’E

430 39.824’ N

250 16.150’ E


3

Protocols from RIEW Pleven – date of sampling

No./date

No. 244/18.05.2005

sample taken 20.04. 2005

No. 240/29.04.05 sample taken 19.04. 2005

No. 246/29.04.2005sample taken 20.04. 2005

No. 237/29.04. 05 sample taken 19.04. 2005

No. 239/29.04.05

sample taken 19.04. 2005



Group A Common physical and inorganic chemical parameters

4

Temperature

0С

12.5

12.9

15.3

12.2

12.2


5

Active reaction pH

-

7.7

7.65

7.7

7.6

7.8

6-9

6

Dissolved O2

mg/dm3

4.07

3.75

3.56

3.59

3.88

> 2

7

Saturation with О2

%

40.1

34.6

38.2

35.3

40.7

20

8

Electrical conductivity

MS/cm2

373

370

-

-

-

-

9

Suspended solids

mg/dm3

25

29

28

27

25

100

10

Fe / total iron

mg/dm3

<0.05

-

-

-

-

5.0

11

Mn /total manganese

mg/dm3

<0.01

-

-

-

-

0.8

12

N-NH4 /ammonia nitrogen

mg/dm3

0.2

0.1

0.2

0.1

0.1

5.0

13

N-NО2 /nitrite nitrogen

mg/dm3

0.026

0.020

0.025

0.015

0.019

0.06

14

N-NО3 /nitrate nitrogen

mg/dm3

0.3

0.3

0.1

0.6

0.4

20

15

Keldahl nitrogen / N-NH4;+ N org

mg/dm3

0.7

0.7

0.7

0.7

0.7

15

16

N org /Organic nitrogen *

mg/dm3

0.5

0.6

0.5

0.6

0.6

10

17

Total nitrogen / Nt

mg/dm3

1.03

1.02

0.82

1.32

1.12

35.06

18

Soluble phosphates /such as PO4 /

mg/dm3

0.2

0.1

0.1

0.2

0.07

2

18.1

Soluble phosphates /such as P

mg/dm3






0,7

19

total phosphorus Рt / as PO4 /

mg/dm3






3,0

19.1

total phosphorus Рt / as P /

mg/dm3

0.1

0.05

0.06

0.1

0.06

1


Group B Common organic pollution indicators

20

oxidizing capacity

mg/dm3

5.4

3.8

5.4

8.3

5.5

40

21

COD

mg/dm3

7.0

5.5

9.2

13.6

7.8

100

22

BOD5

mg/dm3

2.5

1.3

3.0

4.0

2.3

25


Group C Indicators for inorganic substances from industrial enterprises

23

Cr+3 / tri-valent chromium

mg/dm3

<0.01**

-

-

-

-

1.0

24

Cr+6 / six-valent chromium ***

mg/dm3


-

-

-

-

0.1

25

Cu / copper***

mg/dm3

<0.01

-

-

-

-

0.5

26

Co / cobalt***

mg/dm3

<0.01

-

-

-

-

0.5

27

Zn / zinc***

mg/dm3

<0.01

-

-

-

-

10

28

Ni / nickel***

mg/dm3

<0.01

-

-

-

-

0.5

29

Cd / cadmium***

mg/dm3

0.019

-

-

-

-

0.05

30

Pb / lead***

mg/dm3

<0.01

-

-

-

-

0.2

31

As / arsenic***

mg/dm3

0.0017







Group C Indicators for organic substances from industrial enterprises

32

petroleum products

mg/dm3

5.2

-

-

-

-

0.5

33

Total extractable

mg/dm3

11.9

-

-

-

-

5.0

N org / Орг.nitrogen * - applies to Group B

Cr t- chromium total **

Protokol №340/16.05.2005г. -RIEW W.Tarnowo ***

** Regulation №7 of the CEP, MH the CTU dated 08.08.1986 on the indicator and levels for determination of the quality of flowing surface water, SG 96/ 1986

All indicators are proving that waters are corresponding to Cathegory III - (except the value is petroleum products 5,2, total extractable-11,9)





І-2. Martvo marsh and Pischensko marsh

Table II-2



No



Indicators



Unit

P o i n t s

ELV

Cathegory III




Persin Island, Martvoto marsh, the middle from the southern coast

Persin Island, Pischensko marsh, southern coast (the location closest to the road)


1

2

3

4

5

8

1

Geographic coordinates


430 40.407’ N

250 14,086’ E

430 40.177’ N

250 2.522 ’ E

-

2

Point No.

-

6

7

-

3

Protocols from RIEW Pleven – date of sampling

No./date

236/29.04.2005 sample taken on 19.04.2005

234/29.04.2005 sample taken on 19.04.2005

-


Group A Common physical and inorganic parameters

4

Temperature

0С

13.3

13.2


5

рН

-

7.5

7.7

6-9

6

Dissolved O2

mg/dm3

1.24

2.8

< 2

7

Saturation with О2

%

11

26.8

20

8

Electrical conductivity

MS/cm2

-

-

-

9

Suspended solids

mg/dm3

31

29

100

10

Dissolved substances

mg/dm3

812

1268

1500

11

Total dry residue

mg/dm3

842

1297

-

12

Fe / total iron

mg/dm3

-

-

5.0

13

Mn /total manganese

mg/dm3

-

-

0,8

14

N-NH4 /ammonia nitrogen

mg/dm3

0.2

0.3

5.0

15

N-NО2 /nitrite nitrogen

mg/dm3

0.006

0.005

0.06

16

N-NО3 /nitrate nitrogen

mg/dm3

0.07

<0.05

20

17

Keldahl nitrogen / N-NH4;+ N org

mg/dm3

0.7

0.7

15

18

N org /Organic nitrogen *

mg/dm3

0.5

0.4

10

19

Total nitrogen / Nt

mg/dm3

0.78

0.70

35.06

20

Soluble phosphates /such as PO4 /

mg/dm3

0.2

0.07

2

20.1

Soluble phosphates /such as P

mg/dm3

0,07

0,023

0.7

21

total phosphorus Рt / as PO4 /

mg/dm3

0,3

0,15

3

21.1

total phosphorus Рt / as P /

mg/dm3

0.1

0.05

1


Group B Common organic pollution indicators

22

oxidizing capacity

mg/dm3

27.8

28.5

40

23

COD

mg/dm3

34.4

44.3

100

24

BOD5

mg/dm3

10.9

14.8

25


N org / Орг.nitrogen * - applies to Group B

Cr t- chromium total **

Protokol №340/16.05.2005г. -RIEW W.Tarnowo ***

** Regulation №7 of the CEP, MH the CTU dated 08.08.1986 on the indicator and levels for determination of the quality of flowing surface water, SG 96/ 1986


All indicators are proving that waters are corresponding to Cathegory III


Sediments – 234-C/27.05.2005 - sample 5 taken on 19.04.2005



No



Indicators



Unit

P o i n t s




Persin Island, Martvoto marsh,

Persin Island, Pischensko marsh,

1

Geographic coordinates



430 40.407’ N

250 14,086’ E

430 40.177’ N

250 0.2,522’ E

2

Point No.

-

6

7

3

Protocols from RIEW Plewen – RIEW V.Tarnowo* – date of sampling

No./date

23-C/27.04.2005 sample taken on 19.04.2005

234-C /27.04.2005 sample taken on 19.04.2005

4

рН**

-

7.855

8.5

5

Total dry residue**

%

5.15

0.27

6

Corg.**

g/kg

52.1

3.96

7

Fe / total iron*

mg/kg

28200

3500

8

Mn /total manganese/*

mg/kg

357

121-

9

Cr chromium total *

mg/kg

65.8

9.1

10

Cu / copper*

mg/kg

58.6

3.5

11

Co / cobalt*

mg/kg

14.0

<2

12

Zn / zinc*

mg/kg

144

16.3

13

Ni / nickel*

mg/kg

69.0

3.7

14

Cd / cadmium*

mg/kg

0.49

<0.2

15

Pb / lead*

mg/kg

50.8

<2

16

As/arsenic*

mg/kg

11.0

1.1




II-3 Drainage channels

Table IІ-3




No




Indicators




Unit

P o i n t s




Gardata drainage channel

Persin Island, drainage channel near Persin PS 2

Persin Island, drainage channel near Persin PS 1

Main drainage channel near the town of Belene, near Belene PS 1

drainage channel near Kaikusha Protected Area

ELV
cathegory III

1

Geographic coordinates


430 39.782’ N

250 16.150’ E

430 38.801’ N

250 12.867’ E

430 39.402’ N

250 08.245’ E

430 39.782’ N

250 16.150’ E

430 35.742’ N

250 12.377’ E


2

Point No. 13

No./date

5А

8

9

11

13А


3

Protocols from RIEW Pleven – date of sampling

No./date

238/ 29. 04.2005. sample taken on 19.04. 2005.

241 / 29. 04.2005. sample taken on 19.04. 2005.

242 / 29. 04. 2005 sample taken

19.04. 2005.

245/ 29. 04.2005 sample taken

20.04. 2005.

247/ 29. 0.4.2005 sample taken 20.04 2005.


Group A Common physical and inorganic parameters

4

Temperature

0С

12.6

12.3

12.6

13.5

13.5


5

рН


7.75

7.45

7.6

7.5

8.0

6-9

6

Dissolved O2

mg/dm3

3.77

3.15

3.61

3.22

3.9

> 2

7

Saturation with О2

%

35.6

37.1

28.7

30.2

39.5

20

8

Electrical conductivity

MS/cm2

-

-

-

-

-

-

9

Suspended solids

mg/dm3

29

31

30

32

32

100

10

Fe / total iron

mg/dm3

-

-

-

-

-

5.0

11

Mn /total manganese

mg/dm3

-

-

-

-

-

0.8

12

N-NH4 /ammonia nitrogen

mg/dm3

0.1

0.2

0.2

0.2

0.2

5.0

13

N-NО2 /nitrite nitrogen

mg/dm3

0.02

0.013

0.021

0.01

0.026

0.06

14

N-NО3 /nitrate nitrogen

mg/dm3

0.6

0.2

0.4

0.1

2.3

20

15

Keldahl nitrogen /

N-NH4;+ N org

mg/dm3

0.7

0.7

0.7

0.7

0.7

15

16

N org /Organic nitrogen *

mg/dm3

0.6

0.5

0.5

0.5

0.5

10

17

Total nitrogen / Nt *

mg/dm3

1.32

0.91

1.12

0.81

3.03

35.06

18

Soluble phosphates /such as PO4 /

mg/dm3

0.08

0.06

0.09

0.2

0.9

2

19

Soluble phosphates /such as P

mg/dm3

0,027

0,02

0,03

0.07-

0,3

0.7

20

total phosphorus Рt / as PO4 /

mg/dm3

0,15

0,21

0,12

0,2

0,9

3

21

total phosphorus Рt / as P /

mg/dm3

0.05

0.07

0.04

0.1

0.3

1

Group B Common organic pollution indicators

22

oxidizing capacity

mg/dm3

4.8

24.3

1.0

9.9

8.3

40

23

COD

mg/dm3

7.8

36.4

<5

17.2

14.4

100

24

BOD5

mg/dm3

2.2

11.8

0.8

5.5

4.8

25


N org / Орг.nitrogen * - applies to Group B


** Regulation №7 of the CEP, MH the CTU dated 08.08.1986 on the indicator and levels for determination of the quality of flowing surface water, SG 96/ 1986


All indicators are proving that waters are corresponding to Cathegory III




























II-4 Town waste water collector for the town of Belene

Table IІ-4


No


Indicators


Unit

Point – the town of Belene’s waste water collector


Cathegory III

Regulation 6/ 2000 on emission standards

1

2

3

4

5


1

Geographic coordinates

grad

430 38.716’ N

250 08.571’ E

-


2

Point No.

-

10



3

Protocols from RIEW Pleven – date of sampling

No./date

248 / 18. 05.2005 г. sample taken on 20.04.2005

-


Group A Common physical and inorganic parameters

4

Temperature

0С

12.1



5

рН

-

7.55

6-9

6-9

6

Suspended solids

mg/dm3

84

100

35

7

Dissolved substances

mg/dm3

-

1500

-

8

Total dry residue

mg/dm3

-

1600

-

9

N-NH4 /ammonia nitrogen

mg/dm3

33.7

5.0

-

10

N-NО2 /nitrite nitrogen

mg/dm3

0.025

0.06

-

11

N-NО3 /nitrate nitrogen

mg/dm3

<0.05

20

-

12

Keldahl nitrogen / N-NH4;+ N орг

mg/dm3

44.8

15

-

13

N org /Organic nitrogen *

mg/dm3

11.1

10

-

14

Total nitrogen / Nt *

mg/dm3

44.87

35.06

15

15

Soluble phosphates /such as PO4 /

mg/dm3

18.2

2

-

15.1

Soluble phosphates /such as P /

mg/dm3

-

0.7

-

16

total phosphorus Рt / as PO4 /

mg/dm3

-

3

-

16.1

total phosphorus Рt / as P /

mg/dm3

6.4

1

2

Group B Common organic pollution indicators

17

oxidizing capacity

mg/dm3

152

40

-

18

COD

mg/dm3

237

100

-

19

BOD5

mg/dm3

120

25

-

20

petroleum products

mg/dm3

14

0.5

-

Group C Indicators for organic substances from industrial enterprises

21

Total extractable substances

mg/dm3

28.4

5

-

22

detergenti

mg/dm3

3.6



Group C Indicators for inorganic substances from industrial enterprises

23

Cr chromium total ***

mg/dm3

<0.01**

Cr+3-1,0

Cr+6-0,1


24

Cu / copper***

mg/dm3

<0.01



25

Co / cobalt***

mg/dm3

<0.01



26

Zn / zinc***

mg/dm3

0.02



27

Ni / nickel***

mg/dm3

<0.01



28

Cd / cadmium***

mg/dm3

0.002



29

Pb / lead***

mg/dm3

<0.01



N org / Орг.nitrogen * - applies to Group B

Cr t- chromium total **

Protokol №340/16.05.2005г. -RIEW W.Tarnowo ***

* indicators for “sensitive zone”

** Regulation №7 of the CEP, MH the CTU dated 08.08.1986 on the indicator and levels for determination of the quality of flowing surface water, SG 96/ 1986

*** Regulation № 6 /09.11.2000 on the emission levels for admissible content of harmful and hazardous substances in waste water discharged info the water bodies SG 97/2000 г.


The wasted waters are strongly polluated with high concentration of: BOD5 , COD, Amonia and Organic nitrogen and Total Phosphorus,total extractable substances, petroleum products.



















IІ-5. Piesometer at Pischensko marsh – Ground water

Table IІ-5



No

Indicators


Unit

Point – Piesometer near Pischensko marsh

PM1

ELV

Regulation 1/2000





ET

PT

1

2

3

4

5

6

1

Geographic coordinates

grad

430 39.990’ N

250 12.951’ E

-


2

Point No. 13

-

14



3

Protocols from RIEW Pleven – date of sampling

No./date

235 / 18. 05.2005 г. sample taken on 19.04.2005

-


4

Temperature

0С

11.6



5

рН

-

7.05



6

Dissolved oxygen

mg/dm3

1.81



7

Saturation with О2

%

28.1



8

Suspended solids

mg/dm3

53



9

Dissolved substances

mg/dm3

1212



10

Total dry residue

mg/dm3

1265



11

Electrical conductivity

MS/cm2

1280



12

N-NH4 /ammonia nitrogen

mg/dm3

2.8

0.12

1.2

13

N-NО2 /nitrite nitrogen

mg/dm3

0.031

0.025

0.125

14

N-NО3 /nitrate nitrogen

mg/dm3

<0.05

10

30

15

Soluble phosphates /such as PO4 /

mg/dm3

0.05

0.1

1.0

16

total phosphorus / as P /

mg/dm3

-



17

alkalinity

mg/dm3

11.4



18

Chlorides Cl /

mg/dm3

46.6

30

100

19

Sulphates SO4//

mg/dm3

131.0

50

150

20

Calcium Ca 2+

mg/dm3

262



22

Magnesium Mg 2+

mg/dm3

42.4



23

Carbonates CO3//

mg/dm3

<5



24

Hydrocarbonates HCO3/

mg/dm3

696.0



25

Hard.total


16.6



26

Total extractable substances

mg/dm3

<0.1



27

Mn /total manganese

mg/dm3

1.2

0.02

0.05

28

Fe/ total iron

mg/dm3


0.05

0.2

29

Cu / copper***

mg/dm3

<0.01

0.03

0.1

30

Zn / zinc***

mg/dm3

0.01

0.2

1.0

31

Pb / lead***

mg/dm3

<0.01

0.03

0.2

32

Na

mg/dm3

20.9

50

100

33

K

mg/dm3

7.1



34

Redocs pot.

mV

28.9



35

Alfa-HCH

Mg/l

<0.01



36

Beta- HCH

Mg/l

<0.01



37

Gama- HCH

Mg/l

<0.01



38

Delta- HCH

Mg/l

<0.01



39

Aldrin

Mg/l

<0.01



40

o,p DDE

Mg/l

<0.01



41

P,p DDE

Mg/l

<0.01



42

o,pDDD

Mg/l

<0.01



43

P,p DDD

Mg/l

<0.01



44

O,p DDT

Mg/l

<0.01



45

P,p DDT

Mg/l

<0.01



46

DIeldrin

Mg/l

<0.01



47

Endrin

Mg/l

<0.01



* Regulation №1 of the MOEW, MRDPW,MH and MI dated 07.07.2000 on the studying of the use and conservation of grund water, SG 57/ 2000


** ЕT – ecological threshold

*** PT – pollution threshold

The ground waters are with:






ANNEX 2.1.2







HYDROCHEMICAL MONITORING




II Kalimok-Brushlen Protected Area


period – 18.04.2005 through 27.04.2005










II Kalimok-Brushlen Protected Area - period – 18.04.2005 through 27.04.2005


II-1. the Danube in the flooded wetlands area – surface water- Table IІ-1- ND


IІ-2. Brushlen marh and the fisheries – surface water


Table II-2








No







Indicators







Unit

P o i n t s




ELV


Cathegry III




Brushlen marsh, north of the irrigation channel, north of the main drainage channel, near the pipe

Fish farms Nova Cherna, East zone, pool 12, concrete sluice

Fish farms Nova Cherna, East zone, pool 15, concrete sluice near a concrete fish trap

Fish farms Nova Cherna, East zone, pool 6, concrete sluice near a concrete fish trap


1

2

3

4

5

6

7

8

1

Geographic coordinates


440 00.411’ N

260 19.781’ E

440 01.459’ N

260 29.359’ E

440 01.545’ N

260 30.017’ E

440 01/579//N

26030.236’E /440 01.630/ N

260 30.029’ E

-

2

Point No.

-

5

6

7

8


3

Protocols from RIEW Russe – date of sampling

No./date

197/27.04. 2005

sample 5 taken on 18.04

213/27.04.2005. sample taken on 19.04

214 /27.04.2005. sample taken on 19.04

215 27.04.2005. sample taken on 19.04

-

Group A Common physical and inorganic parameters

4

Temperature

0С

16.8

14.1

13.9

14.1


5

рН

-

7.56

7.93

7.8

7.86

6-9

6

Dissolved O2

mg/dm3

6.5

7.46

7.26

7.24

>2

7

Saturation with О2

%

67.8

72.4

70.4

70.2

20

8

Electrical conductivity

MS/cm2

620

334

338

319

-

9

Suspended solids

mg/dm3

22

28

18

16

100

10

turb.

FAU

3.07

4,19

0.84

0.95


11

Dissolved substances

mg/dm3






12

Total dry residue

mg/dm3

430

246

338

-


13

Fe / total iron

mg/dm3

-

-

-

-

5.0

14

Mn /total manganese

mg/dm3

-

-

-

-

0,8

15

N-NH4 /ammonia nitrogen

mg/dm3

0.026

0.035

0.027

0.012

5.0

16

N-NО2 /nitride nitrogen

mg/dm3

0.008

0.018

0.011

0.018

0.06

17

N-NО3 /nitrate nitrogen

mg/dm3

0.231

0.181

0.423

0.710

20

18

Keldahl nitrogen /

N-NH4;+ N org

mg/dm3

0.322

0.322

0.129

0.064

15

19

N org /Organic nitrogen *

mg/dm3

0.296

0.287

0.102

0.052

10

20

Total nitrogen / Nt

mg/dm3

0.561

0.521

0.563

0.792

35.06

20.1

Soluble phosphates /such as PO4 /

mg/dm3

0.153-

0.055

0.011

0.009

2

21

Soluble phosphates /such as P

mg/dm3

0,051

0,018

0,004

0,003

0.7

21.1

total phosphorus Рt / as PO4 /

mg/dm3

0.245

0.282

0.089

0.089

3

22

total phosphorus Рt / as P /

mg/dm3

0,082

0,094

0,029

0,029

1

Group B Common organic pollution indicators

23

oxidizing capacity/

mg/dm3

7.1

4.6

5.7

4.8

40

24

COD

mg/dm3

18

13

22

17

100

25

BOD5

mg/dm3

4.07

2.05

3.29

2.3

25

26

H

cm

83

120

100

80


N org / Орг.nitrogen * - applies to Group B


** Regulation №7 of the CEP, MH the CTU dated 08.08.1986 on the indicator and levels for determination of the quality of flowing surface water, SG 96/ 1986


All indicators are proving that waters are corresponding to Cathegory III









IІ-3. Main drainage channel– surface water

Table IІ-3





No




Indicators




Unit

P o i n t s




ELV


Cathegry III




main drainage channel in the middle of Brushlen marsh, downstream of the irrigation channel, concrete road and pipeline

main drainage channel upstream of the fish farms in the eastern zone

main drainage channel downstream of the fish farms in the eastern zone, upstream of Turchila river

main drainage channel upstream of Tutrakan PS


1

2

3

4

5

6

7

8

1

Geographic coordinates


44000.408’ N

260 19.820’ E

440 01.488’ N

260 29.626’ E

440 01.762’ N

260 31.842’ E

440 02.428’ N

260 34.353’ E

-

2

Point No.

-

9

10

11

12


3

Protocols from RIEW Russe – date of sampling

No./date

198 / 27.04.2005

sample taken on 18.04

199 / 27.04.2005

sample taken on 18.04

200 / 27.04.2005

sample taken on 18.04

201/ / 27.04.2005

sample taken on 18.04

-

Group A Common physical and inorganic parameters

4

Temperature

0С

15.4

15.8

16.3

15


5

рН

-

7.62

7.51

7.48

7.45

6-9

6

Dissolved O2

mg/dm3

7.83

7.17

7.30

6.35

> 2

7

Saturation with О2

%

77.7

72.6

74.0

63.0

20

8

Electrical conductivity

MS/cm2

504

407

620

477

-

9

turb.

FAU

24.3

1.74

2.29

2.85


10

Suspended solids

mg/dm3

38

26

14

12

100

11

Fe / total iron

mg/dm3

-

-


-

5.0

12

Mn /total manganese

mg/dm3

-

-


-

0,8

13

N-NH4 /ammonia nitrogen

mg/dm3

0.035

0.032

0.041

0.039

5.0

14

N-NО2 /nitride nitrogen

mg/dm3

0.045

0.016

0.029

0.017

0.06

15

N-NО3 /nitrate nitrogen

mg/dm3

0.308

0.423

0.652

0.816

20

16

Keldahl nitrogen / N-NH4;+ N org

mg/dm3

0.516

0.451

0.387

0.258

15

17

N org /Organic nitrogen *

mg/dm3

0.481

0.419

0.346

0.219

10

18

Total nitrogen / Nt

mg/dm3

0.869

0.890

1.07

1.09

35.06

19

Soluble phosphates /such as PO4 /

mg/dm3

0.071

0.055

0.093

0.079

2

19.1

Soluble phosphates /such as P

mg/dm3

0,023

0,018-

0,031

0,026

0.7

20

total phosphorus Рt / as PO4 /

mg/dm3

0.337

0.129

0.162

0.156

3

20.1

total phosphorus Рt / as P /

mg/dm3

0,112-

0,043

0,054

0,052

1

Group B Common organic pollution indicators

21

oxidizing capacity

mg/dm3

8.2

6.2

6.1

5.6

40

22

COD

mg/dm3

24

18

17

16

100

23

BOD5

mg/dm3

4.48

3.57

3.72

2.62

25

24

H

cm

98

410

120

480


N org / Орг.nitrogen * - applies to Group B

** Regulation №7 of the CEP, MH the CTU dated 08.08.1986 on the indicator and levels for determination of the quality of flowing surface water, SG 96/ 1986


All indicators are proving that waters are corresponding to Cathegory III























IІ-4. Turchila river – surface water

Table IІ-4



No


Indicators


Unit

Point Turchila river, bridge over the Tutrakan-Ruse road


ELV

Cathegry III

1

Geographic coordinates


440 00.912’ N

260 31.915’ E

-

2

Point No. 13

-

13


3

Protocols from RIEW Russe – date of sampling

No./date

216 / 27.04.2005

sample taken on 19.04

-

Group A Common physical and inorganic parameters

4

Temperature

0С

14.8


5

рН

-

7.96

6-9

6

Dissolved O2

mg/dm3

8.91

>2

7

Saturation with О2

%

88.4

20

8

Electrical conductivity

MS/cm2

722

-

9

turb

FAU

8.89


10

Suspended solids

mg/dm3

36

100

11

Fe / total iron

mg/dm3

-

5.0

12

Mn /total manganese

mg/dm3

-

0,8

13

N-NH4 /ammonia nitrogen

mg/dm3

0.018

5.0

14

N-NО2 /nitride nitrogen

mg/dm3

0.006

0.06

15

N-NО3 /nitrate nitrogen

mg/dm3

0.887

20

16

Keldahl nitrogen / N-NH4;+ N org

mg/dm3

0.451

15

17

N org /Organic nitrogen *

mg/dm3

0.433

10

18

Total nitrogen / Nt *

mg/dm3

1.34

35.06

19

Soluble phosphates /such as PO4 /

mg/dm3

0.325

2

19.1

Soluble phosphates /such as P

mg/dm3

0.065

0.7

20

total phosphorus Рt / as PO4 /

mg/dm3

0.601

3

20.1

total phosphorus Рt / as P /

mg/dm3

0.17

1

Group B Common organic pollution indicators

21

oxidizing capacity

mg/dm3

8.2

40

22

COD

mg/dm3

25

100

23

BOD5

mg/dm3

4.78

25

24

H

cm

60



N org / Орг.nitrogen * - applies to Group B

** Regulation №7 of the CEP, MH the CTU dated 08.08.1986 on the indicator and levels for determination of the quality of flowing surface water, SG 96/ 1986


All indicators are proving that waters are corresponding to Cathegory III



17