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CHAPTER 6
6.1
Main Report
Chapter 6
Figures
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6.2
Figure 6.2.1 Present BOD Load in EABD
Figure 6.2.2 Present BOD Load from Unit Area in EABD
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Figure 6.2.3 Near Future BOD Load in EABD (with under-constructed and tendering WWTPs)
Figure 6.2.4 Near Future BOD Load from Unit Area in EABD (with under-constructed and tendering WWTPs)
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Figure 6.2.5 Present TN Load in EABD
Figure 6.2.6 Near Future TN Load in EABD
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Figure 6.2.7 Present TP Load in EABD
Figure 6.2.8 Near Future TP Load in EABD
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Figure 6.2.9 Present BOD Loads in WABD
Figure 6.2.10 Present BOD Loads from Unit Area in WABD
Fig.
6.2
.10
Pre
sent
BO
D L
oads
from
Uni
t Are
a in
WA
BD
Fig
6.2.
9 P
rese
nt B
OD
Loa
ds in
WA
BD
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Figure 6.2.11 Near Future BOD Loads in WABD with Under-constructed and Tendering WWTPs
Figure 6.2.12 Near Future BOD Loads from Unit Area in WABD
Fig.
6.2
.12
Nea
r Fu
ture
BO
D L
oads
fr
om U
nit A
rea
in W
AB
D
Fig.
6.2
.11
Nea
r Fu
ture
BO
D L
oads
in W
AB
D w
ith
Und
er-c
onst
ruct
ed a
nd T
ende
ring
WW
TPs
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Figure 6.2.13 Present TN Loads in WABD
Figure 6.2.14 Near Future TN Loads in WABD
Fig.
6.2
.13
Pre
sent
TN
Loa
ds in
WA
BD
Fi
g. 6
.2.1
4 N
ear
Futu
re T
N L
oads
in W
AB
D
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Figure 6.2.15 Present TP Loads in WABD
Figure 6.2.16 Near Future TP Loads in WABD
Fig.
6.2
.16
Nea
r Fu
ture
TP
Loa
ds in
WA
BD
Fig.
6.2
.15
Pre
sent
TP
Loa
ds in
WA
BD
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Maritsa River: y = 0.3116x + 1902.7R2 = 0.8908
Tundza River: y = 0.3311x + 880.01R2 = 0.7903
Arda River: y = 1.3142x + 366.81R2 = 0.9243
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
0 20,000 40,000 60,000 80,000 100,000 120,000
Catchment BOD Load (kg/day)
Riv
er B
OD
Loa
d (k
g/da
y)
Maritsa River BasinTundza River BasinArda River Basin
ME1
Figure 6.2.17 EABD: Co-relation between Present Catchment BOD Load and River BOD
Struma River: y = 0.3901x + 510.62R2 = 0.8829
Mesta River: y = 0.5332x + 89.984R2 = 0.9969
0
2000
4000
6000
8000
10000
12000
14000
0 5000 10000 15000 20000 25000 30000
Catchment BOD Load (kg/day)
Riv
er B
OD
Loa
d (k
g/da
y)
Struma River BasinMesta River Basin
ME1
Figure 6.2.18 WABD: Co-relation between Present Catchment BOD Load and River BOD Load
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Figure 6.2.19 EABD Proposed High Priority Towns for Wastewater Treatment and Improvement of Sewerage Networks
Figu
re 6
.2.1
9 E
AB
D P
ropo
sed
Hig
h Pr
iori
ty T
owns
for W
aste
wat
er T
reat
men
t and
Impr
ovem
ent o
f Sew
erag
e N
etw
orks
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Figure 6.2.20 WABD Proposed High Priority Towns for Wastewater Treatment and Improvement of Sewarage Networks
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Figure 6.2.21 EABD Proposed Priority Towns for Wastewater Treatment and Improvement of Sewerage Networks
Figu
re 6
.2.2
1 E
AB
D P
ropo
sed
Hig
h an
d M
ediu
m P
rior
ity T
owns
for
Was
tew
ater
Tr
eatm
ent a
nd Im
prov
emen
t of S
ewer
age
Net
wor
ks
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Figure 6.2.22 WABD Proposed High and Medium Priority Towns for Wastewater Treatment and Improvement of Sewerage Networks
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Figure 6.2.23 Implementation Schedule: Practical Scenario
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Figure 6.2.24 Surveillance and Operational Monitoring Network
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Figure 6.2.25 Proposed Key and Improvement Monitoring Zones in EABD and WABD
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6.3
Figure 6.3.1 Proposed Irrigation Facilities to be Improved (EABD)
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Figure 6.3.2 Proposed Irrigation Facilities to be Improved (WABD)
Figu
re 6
.3.2
Pro
pose
d Ir
riga
tion
Faci
litie
s to
be Im
prov
ed (W
AB
D)
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DUMMY
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6.4
Figu
re 6
.4.1
New
Qua
ntita
tive
Gro
undw
ater
Mon
itori
ng N
etw
ork
Figure 6.4.1 New Quantitative Groundwater Monitoring Network
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Figu
re 6
.4.2
New
Qua
litat
ive
Gro
undw
ater
Mon
itori
ng N
etw
ork
Figure 6.4.2 New Qualitative Groundwater Monitoring Network
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6.5
Figure 6.5.1 Ownership and maintenance Responsibility in Bulgaria
Figu
re 6
.5.1
Ow
ners
hip
and
mai
nten
ance
Res
pons
ibili
ty in
Bul
gari
a
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6.6
Figure 6.6.1 Balance between Water Resources Potential and Water Demand along Main Stream of the Struma River Basin (Average in Jul. to Sep.)
(Potential - Demand) / Potential - Average in July to September
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 2000 4000 0 8000 10000 12000
Watershed Area (km2)
(P-D
)/P (%
)
600
Average (2004)75%
90%95%
(Potential - Demand) / Potential - Average in July to September
-50.0-40.0-30.0-20.0-10.0
0.010.020.030.040.050.060.070.080.090.0
100.0
0 2000 4000 6000 8000 10000 12000
Watershed Area (km2)
(P-D
)/P (%
)
Average (2004)
75%
90%
95%
Irrigation Loss = Current Condition (48-74%) Irrigation Area = 5% of Potential Area
Irrigation Loss = 30% Irrigation Area = 100% of Potential Area
ST1
ST2
ST3
ST8
ST9ST7
ST10 ST5 ST6
ST4
ST1ST2ST3
ST4
ST5
STD1
ST6
ST7ST8
ST9
ST10
ST1ST2ST3
ST4
ST5
STD1
ST6
ST7ST8
ST9
ST10
ST1
ST8
ST7ST9 ST10
ST6 ST5
ST4
ST2 ST3
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Figure 6.6.2 Balance between Water Resources Potential and Water Demand along Main Stream of the Mesta River Basin (Average in Jul. to Sep.)
(Potential - Demand) / Potential - Average in July to September
-50.0-40.0-30.0-20.0-10.0
0.010.020.030.040.050.060.070.080.090.0
100.0
0 500 1000 1500 2000 2500 3000Watershed Area (km2)
(P-D
)/P (%
)
Average (2004)
75%
90%
95%
Irrigation Loss = Current Condition (64%) Irrigation Area = 15% of Potential Area
(Potential - Demand) / Potential - Average in July to September
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 500 1000 1500 2000 2500 3000
Watershed Area (km2)
(P-D
)/P (%
)
Irrigation Loss = 30% Irrigation Area = 100% of Potential Area
Average (2004)
75%
90%
95%
ME1 ME3 ME2 ME4 ME5 ME6
ME1
ME2
MEI1
ME3
ME4
ME5
ME6
DO1
DO2
ME1
ME2
MEI1
ME3
DO1
DO2
ME4
ME5
ME6
ME1 ME2 ME3
ME4 ME5 ME6
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Irrigation Loss = Current Condition (73%) Irrigation Area = 5% of Potential Area
(Potential - Demand) / Potential - Average in July to September
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 1000 2000 3000 4000 5000 6000Watershed Area (km2)
(P-D
)/P (%
)
Figure 6.6.3 Balance between Water Resources Potential and Water Demand along Main Stream of the Arda River Basin (Average in Jul. to Sep.)
Irrigation Loss = 30% Irrigation Area = 100% of Potential Area
Average (2004)
75%
90%
95%
AR3 AR4 AR5 AR2 AR6
AR1
AR2
(Potential - Demand) / Potential - Average in July to September
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 1000 2000 3000 4000 5000 6000Watershed Area (km2)
(P-D
)/P (%
)
Average (2004)
75%
90%
95%
AR1 AR2
AR3 AR4 AR5 AR6
AR1
AR3AR4
AR5ARV1 AR6
BI1
ARC1ARK1
AR2AR3
AR1
AR4AR5
ARV1 AR6
BI1
ARC1ARK1
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Irrigation Loss = Current Condition (61-84%) Irrigation Area = 5% of Potential Area
(Potential - Demand) / Potential - Average in July to September
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 1000 2000 3000 4000 5000 6000 7000 8000 9000
Watershed Area (km2)
(P-D
)/P (%
)
Figure 6.6.4 Balance between Water Resources Potential and Water Demand along Main Stream of the Tundzha River Basin (Average in Jul. to Sep.)
Irrigation Loss = 30% Irrigation Area = 70% of Potential Area
Average (2004)
75%
90%
95%
TU1 TU3 TU5
(Potential - Demand) / Potential - Average in July to September
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 1000 2000 3000 4000 5000 6000 7000 8000 9000
Watershed Area (km2)
(P-D
)/P (%
)
Average (2004)
75%
90%
95%
TU2
TU4TU5
TUM1
TU8
TU3
TU7
TU1
TU6
TU6 TU7 TU8 TU4
TU3TU4
TU2 TU5TU2TUM1
TU7
TU1
TU6
TU8
TU1
TU4 TU7 TU8
TU3 TU6 TU5
TU2
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Irrigation Loss = Current Condition (60-74%) Irrigation Area = 5% of Potential Area
(Potential - Demand) / Potential - Average in July to September
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 5000 10000 15000 20000 25000Watershed Area (km2)
(P-D
)/P (%
)
Figure 6.6.5 Balance between Water Resources Potential and Water Demand along Main Stream of the Maritsa River Basin (Average in Jul. to Sep.)
Irrigation Loss = 30% Irrigation Area = 30% of Potential Area
Average (2004)75%90%95%
MA1
MA7 MA3 MA4 MA5 MA6
MA2
(Potential - Demand) / Potential - Average in July to September
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0 5000 10000 15000 20000 25000
Watershed Area (km2)
(P-D
)/P (%
)
Average (2004)75%90%95%
MAT1
MA2
MA6
MA4MA3
MA1MAZ1
MA5
MA7
MAT2
MAT3
MAT4MAU1
MAV1
MAP1 MAS2
MAS1
MAL2
MAL1
MAZ2
MAZ3
MAH1
MAT1
MAT2
MA2
MA6
MA4MA3
MA1MAZ1
MA5
MA7
MAT3
MAT4MAU1
MAV1
MAP1 MAS2
MAS1
MAZ2
MAZ3
MAL2
MAL1 MAH1
MA1
MA2
MA7 MA3 MA4 MA5 MA6
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Note: On the top curve indicates location of time series in Figure 6.7.2
Figure 6.7.1 BOD Concentrations in the Struma River for Different Future Scenarios at Low Flow Situation
150000.0 200000.0[meter]
4580000.0
4590000.0
4600000.0
4610000.0
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0[meter] BOD - 25-9-2004 16:00:00 Struma_WQ_NearFutureLoss10.re
100000.0 150000.0 200000.0[meter]
4580000.0
4590000.0
4600000.0
4610000.0
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0[meter] BOD - 22-9-2004 12:00:00 Struma_WQ_HighPrioriFuture.res1
150000.0 200000.0[meter]
4580000.0
4590000.0
4600000.0
4610000.0
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0[meter] BOD - 22-9-2004 16:00:00 Struma_NearFuture_WQ.res11
100000.0 150000.0 200000.0[meter]
4580000.0
4590000.0
4600000.0
4610000.0
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0[meter] BOD - 22-9-2004 12:00:00 Struma_WQ_HighMediumFuture.res
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1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
[mg/l] BOD. Near Future 10% loss - Red; High Priority - Grey; High Medium Priority - Green ConcentrationST_M 55183.00 BODST_M 55183.00 BODST_M 55183.00 BOD
1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0[mg/l] BOD. Present - Black; Near Future - Blue; Near Future loss 10% - Red Concentration
ST_M 55183.00 BODST_M 55183.00 BODST_M 55183.00 BOD
Note: Location marked on Figure 6.7.1
Figure 6.7.2 BOD Concentration during the Year at a Station the Middle Reach of the Struma River.
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Note: On the top curve indicates location of time series in Figure 6.7.4
Figure 6.7.3 BOD Concentrations in the Mesta River for Different Future Scenarios at Low Flow Situation
180000.0 200000.0 220000.0 240000.0 260000.0 280000.0 300000.0[meter]
4600000.0
4610000.0
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
[meter] BOD - 17-9-2004 12:00:00 Mesta_WQ_NearFuture.res11
180000.0 200000.0 220000.0 240000.0 260000.0 280000.0 300000.0[meter]
4600000.0
4610000.0
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
[meter] BOD - 16-9-2004 04:00:00 Mesta_WQ_NearFutureLoss10.res11
180000.0 200000.0 220000.0 240000.0 260000.0 280000.0 300000.0[meter]
4600000.0
4610000.0
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
[meter] BOD - 17-9-2004 04:00:00 Mesta_WQ_HighPrioriFuture.res11
180000.0 200000.0 220000.0 240000.0 260000.0 280000.0 300000.0[meter]
4600000.0
4610000.0
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
[meter] BOD - 17-9-2004 04:00:00 Mesta_WQ_HighMediumFuture.res11
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1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
[mg/l] BOD. Present - Black; Near Future - Blue; Near Future loss 10% - Red ConcentrationME_M 18535.17 BODME_M 18535.17 BODME_M 18535.17 BOD
1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
[mg/l] BOD. Near Future 10% loss - Red; High Priority - Grey; High Medium Priority - Green ConcentrationME_M 18535.17 BODME_M 18535.17 BODME_M 18535.17 BOD
Note: Location marked on Figure 6.7.3
Figure 6.7.4 BOD Concentration during the Year at a Station the downstream Reach of the Mesta River
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Note: On the top curve indicates location of time series in Figure 6.7.6
Figure 6.7.5 BOD Concentrations in the Arda River for Different Future Scenarios at Low Flow Situation
320000.0 340000.0 360000.0 380000.0 400000.0 420000.0[meter]
4570000.0
4580000.0
4590000.0
4600000.0
4610000.0
4620000.0
[meter] TOTAL BOD - 8-11-2004 00:00:00 Arda_WQ_NearFuture10LossWQAdd.res11
320000.0 340000.0 360000.0 380000.0 400000.0 420000.0[meter]
4570000.0
4580000.0
4590000.0
4600000.0
4610000.0
4620000.0
[meter] TOTAL BOD - 8-11-2004 00:00:00 Arda_WQ_HighPrioriFuture.WQAdd.res11
320000.0 340000.0 360000.0 380000.0 400000.0 420000.0[meter]
4570000.0
4580000.0
4590000.0
4600000.0
4610000.0
4620000.0
[meter] TOTAL BOD - 8-11-2004 00:00:00 Arda_WQ_HighMediumPrioriFutureWQAdd.res1
320000.0 340000.0 360000.0 380000.0 400000.0 420000.0[meter]
4570000.0
4580000.0
4590000.0
4600000.0
4610000.0
4620000.0
[meter] TOTAL BOD - 8-11-2004 08:00:00 Arda_WQ_NearFutureWQAdd.res11
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1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
[MG/L] BOD. Near Future 10% loss - Red; High Priority - Grey; High Medium Priority - Green TOTAL BODAR_M 97672.14AR_M 97672.14AR_M 97672.14
1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
[MG/L] BOD. Present - Black; Near Future - Blue; Near Future loss 10% - Red TOTAL BODAR_M 97672.14AR_M 97672.14AR_M 97672.14
Note: Location marked on Figure 6.7.5
Figure 6.7.6 BOD Concentration during the Year at a Station the Middle Reach of the Arda River
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Note: On the top curve indicates location of time series in Figure 6.7.8
Figure 6.7.7 BOD Concentrations in the Tundzha River for Different Future Scenarios at Low Flow Situation
350000.0 400000.0 450000.0 500000.0[meter]
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0
[meter] TOTAL BOD - 19-12-2004 04:00:00 WQ_Tundzha_NearFuture2WQAdd.res11
350000.0 400000.0 450000.0 500000.0[meter]
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0
[meter] TOTAL BOD - 19-12-2004 12:00:00 WQ_Tundzha_NearFutureLoss10WQAdd.res1
350000.0 400000.0 450000.0 500000.0[meter]
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0
[meter] TOTAL BOD - 18-12-2004 12:00:00 WQ_Tundzha_HighPrioriFutureWQAdd.res11
350000.0 400000.0 450000.0 500000.0[meter]
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0
[meter] TOTAL BOD - 19-12-2004 00:00:00 WQ_Tundzha_HighMediumPrioriFutureWQAdd.re
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1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
[MG/L] BOD. Present - BLACK. Near Future -BLUE. Near Future 10% loss - RED. TOTAL BODTU_M 113096.54TU_M 113096.54TU_M 113096.54
1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
[MG/L] BOD. Near Future 10% loss - RED. High Priority - GREY. High Medium Priority - GREEN. TOTAL BODTU_M 113096.54TU_M 113096.54TU_M 113096.54
Note: Location marked on Figure 6.7.7
Figure 6.7.8 BOD Concentration during the Year at a Station the Middle/Downstream Reach of the Tundzha River
The Study on Integrated Water Management in the Republic of Bulgaria
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Note: On the top curve indicates location of time series in Figure 6.7.10
Figure 6.7.9 BOD Concentrations in the Maritsa River for Different Future Scenarios at Low Flow Situation
220000.0 240000.0 260000.0 280000.0 300000.0 320000.0 340000.0 360000.0 380000.0 400000.0 420000.0 440000.0 460000.0[meter]
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0
[meter] BOD - 25-9-2004 16:00:00 Maritsa_WQ_NearFuture.res11
220000.0 240000.0 260000.0 280000.0 300000.0 320000.0 340000.0 360000.0 380000.0 400000.0 420000.0 440000.0 460000.0[meter]
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0
[meter] BOD - 25-9-2004 16:00:00 Maritsa_WQ_NearFutureLoss10.res11
220000.0 240000.0 260000.0 280000.0 300000.0 320000.0 340000.0 360000.0 380000.0 400000.0 420000.0 440000.0 460000.0[meter]
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0
[meter] BOD - 25-9-2004 16:00:00 Maritsa_WQ_HighPrioriFuture.res11
220000.0 240000.0 260000.0 280000.0 300000.0 320000.0 340000.0 360000.0 380000.0 400000.0 420000.0 440000.0 460000.0[meter]
4620000.0
4630000.0
4640000.0
4650000.0
4660000.0
4670000.0
4680000.0
4690000.0
4700000.0
4710000.0
4720000.0
4730000.0
[meter] BOD - 25-9-2004 16:00:00 Maritsa_WQ_HighMediumPrioriFuture.res11
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1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5.0
[mg/l] BOD. Present - Black; Near Future - Blue; Near Future loss 10% - Red ConcentrationME_M 18535.17 BODME_M 18535.17 BODME_M 18535.17 BOD
1-1-2004 20-2-2004 10-4-2004 30-5-2004 19-7-2004 7-9-2004 27-10-2004 16-12-2004
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5.0
[mg/l] BOD. Near Future 10% loss - Red; High Priority - Grey; High Medium Priority - Green ConcentrationME_M 18535.17 BODME_M 18535.17 BODME_M 18535.17 BOD
Note: Location marked on Figure 6.7.9
Figure 6.7.10 BOD Concentration during the Year at a Station the Downstream Reach of the Maritsa River
CHAPTER 6 RIVER BASIN MANAGEMENT PLANChapter 6 Figures
