water situation

Page 1

On 5 Aug 2022 05/08/65

1


Overview of water situation in Rayong-Chonburi area on 5 Aug 2022 1 P2

Chonburi

P1

Reservoir capacity (MCM) Current storage volume (MCM) Percentage of reservoir capacity Useable storage volume Samnakbok (excluding Dead Reserve Pond Storage) (MCM) 15.53

P3 P4

Private Pond

P5

84.79

P6

20.60

Nong Kho res. P7

71.61

BangPhra

Nong Kho

Dokkrai

Nong Pla Lai

Klong Yai

Prasae

117.00

21.40

71.40

163.75

40.10

295.00

84.79

20.60

55.97

136.05

37.62

221.00

72%

96%

78%

83%

94%

75%

72.74

19.60

52.97

122.55

34.62

201.00

0.301

1.070

0.465

Inflow into reservoir (MCM) (On 4 Aug 2022)

Bang Phra res.

Water volume compared to previous week (-decrease, +increase) (MCM) Total water volume in each area

Rayong

+6.28

+1.95

+0.75

55.97

+15.37

105.39 MCM (76.10%)

229.64 MCM (83.43%)

37.62 Khlong Yai res. Nong Pla136.05 Lai res.

Dok Krai res.

P8

P12

P11

P9

+13.76

221.00

P

P15

P10

XX XX

P13

Ref: Royal Irrigation Department

+5.02

Prasae res.

XX 195.81

+9.60

+8.23

Ref: water situation from RID on 18 Mar 2022

34.84

-

1.836

P14

Raw Water Pipe Line (EW) Existing Pipe Network Constructing Pipe Network

Demand 2564 (MCM.) Supply (MCM.) Pump Station Raw Water Pipe Line (RID) Existing Pipe Network Constructing Pipe Network


Water situation of Bangphra, Nongkho Reservoir Water volume in Bangphra and Nongkho Reservoirs (MCM.)

Water Situation of Bangphra and Nongkho Reservoirs

170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0

160

Maximum 2006-2021

2004

2005

2015

2016

2017

2018

2019

2020

2021

Capacity

Dead storage

URC - RID

LRC - RID

Average 2006-2021

2022

URC - RID

5 Aug 2022 105.385 MCM. 76.15 %

Maximum 2006-2021 Average 2006-2021

2 Reservoirs total capacity 138.4 MCM.

140

2022

120

2017 2021

100

80

2018 2004

60

2019 40

2015

2005 20

0

Minimum reservoir volume 13.05 MCM.

05/08/65 Jan ม. ค.

ก. พ.

Feb

มี. ค.

Mar

เ ม. ย.

Apr

พ. ค.

2020

2016

May

มิ. ย.

Jun

ก. ค.

LRC - RID

Jul

ส. ค.

Aug

ก. ย.

Sep

ต. ค.

Oct

พ. ย.

Nov

ธ. ค.

Dec 3


Water situation of Bangphra Reservoir (by Year)

Water volume in Bangphra Reservoir (MCM.)

Water Situation of Bangphra Reservoir

150 140

2004

2005

2006

2011

2015

2016

2018

2019

2020

2021

Capacity

Dead storage

URC - RID

LRC - RID

Average 2006-2021

2022

140

Average 2006-2021

130 120

URC - RID

5 Aug 2022 84.785 MCM. 72.47 %

Reservoir Capacity 117 MCM.

120

110 100

2022

100

90 80

2021 80

2011

70 60

60

2018

50 40

2004 40

2006

30 20

2005

2019 2020

20

10 0

2015 2016

Minimum reservoir volume 12.05 MCM. 0

05/08/65 Jan ม. ค.

ก. พ.

Feb

มี. ค.

Mar

เ ม. ย.

Apr

พ. ค.

May

LRC - RID มิ. ย.

Jun

ก. ค.

Jul

ส. ค.

Aug

ก. ย.

Sep

ต. ค.

Oct

พ. ย.

Nov

ธ. ค.

Dec 4


Water situation of Nongkho Reservoir (by Year)

Water volume in Nongkho Reservoir (MCM.)

Water Situation of Nongkho Reservoir

26 24

2005

2011

2015

2016

2018

2019

2020

2021

Capacity

Dead storage

Normal useable volume

URC - RID

LRC - RID

Average 2006-2021

2022

Average 2006-2021

Reservoir Capacity 21.4 MCM. 20

2022

18

2011

16 14

2021 2004

15

2018

12 10

10

2005

8

2020

5

2016

Normal useable volume 2 MCM. Minimum reservoir volume 1 MCM.

2 0

2019

2015

6 4

URC - RID

5 Aug 2022 20.6 MCM. 96.26 %

25

22 20

2004

0

ม. ค.

05/08/65

Jan

ก. พ.

Feb

มี. ค.

Mar

เ ม. ย.

LRC - RID

Apr

พ. ค.

May

มิ. ย.

Jun

ก. ค.

Jul

ส. ค.

Aug

ก. ย.

Sep

ต. ค.

Oct

พ. ย.

Nov

ธ. ค.

Dec 5


Water situation of Nongplalai, Dokkrai and Klongyai Reservoirs Water volume in Dokkrai Nongplalai and Klongyai Reservoirs (MCM.)

Water Situation of Dokkrai Nongplalai and Klongyai Reservoirs

380 360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0

2004 2016 2020 Dead storage Average 2006-2021

Maximum 2006-2021 2015 2019 Minimum volume LRC - RID

URC - RID

5 Aug 2022 229.635 MCM. 83.43 %

Maximum 2006-2021 Average 2006-2021

350

2014 2018 Capacity URC - RID

2005 2017 2021 Increased Capacity 2022

Increased reservoir capacity (temporary) 318.13 MCM. 2022

300

2021

3 reservoirs total capacity 275.25 MCM.

250

2017 2018

200

2019 150

2004

2014 2015

2020

100

2016 2005

50

Minimum reservoir volume 26 MCM. Dead storage 9.5 MCM. 0

1 ม. ค.

Jan

31 ก. พ.

Feb

1มี. ค.

Mar

LRC - RID 31เ ม. ย.

Apr

30 พ. ค.

May

30

มิ. ย.

Jun

29 ก. ค.

Jul

29

ส. ค.

Aug

28

ก. ย.

Sep

27

ต. ค.

Oct

27

พ. ย.

Nov

26

ธ. ค.

Dec

26


Water situation of Dokkrai Reservoir (by Year) Water Situation of Dokkrai Reservoir 2004 2014 2018 Capacity LRC - RID

100

Water volume in Dokkrai Reservoir (MCM.)

100

90

90

80

80

70 60 50 40

2005 2015 2019 Dead storage Average 2006-2021

2006 2016 2020 Increased Capacity 2022

2011 2017 2021 URC - RID

URC - RID

5 Aug 2022 55.966 MCM. 78.38 %

Average 2006-2021

Increased reservoir capacity (temporary) 79.41 MCM. 2022

Reservoir Capacity 71.4 MCM.

70

2021

2017

2006 60

2011

2018

50

2004 40

2019

2014

30

30

20

20

10

10

0

0

2015

2005

2016

Minimum reservoir volume 3 MCM.

05/08/65 Jan ม. ค.

ก. พ.

Feb

มี. ค.

Mar

เ ม. ย.

Apr

2020

LRC- RID พ. ค.

May

มิ. ย.

Jun

ก. ค.

Jul

ส. ค.

Aug

ก. ย.

Sep

ต. ค.

Oct

พ. ย.

Nov

ธ. ค.

Dec 7


Water situation of Nongplalai Reservoir (by Year)

Water volume in Nongplalai Reservoir (MCM.)

Water Situation of Nongplalai Reservoir 2005 2015 2019 Dead storage Average 2006-2021

2004 2014 2018 Capacity LRC - RID

220 200

URC - RID

5 Aug 2022 136.045 MCM. 83.08 %

Average 2006-2021

200

Increased reservoir capacity (temporary) 187.62 MCM.

180

2022

160

2011 2017 2021 URC - RID

2006 2016 2020 Increased Capacity 2022

2021

Reservoir Capacity 163.75 MCM.

2020

150

140 120

2006

100

100

2011

2018

2004 2014

80 60 40

2019

2015 50

2016

20 0

2017

2005

Minimum reservoir volume 13.5 MCM.

LRC - RID 0

ม. ค.

Jan

ก. พ.

Feb

มี. ค.

Mar

เ ม. ย.

Apr

พ. ค.

May

มิ. ย.

Jun

ก. ค.

Jul

ส. ค.

Aug

ก. ย.

Sep

ต. ค.

Oct

พ. ย.

Nov

ธ. ค.

Dec


Water situation of Klongyai Reservoir (by Year)

Water volume in Klongyai Reservoir (MCM.)

Water Situation of Klongyai Reservoir 2006 2016 2020 Increased Capacity Average 2006-2021

55 50

2022

2017 2020

2006

30

2016 20

2019

Lowest water level that can be transferred through tunnel to Nongplalai Reservoir 15.2 MCM. 2014

Minimum reservoir volume 9.5 MCM.

10

5 0

2018

2011

15 10

2021

Reservoir Capacity 40.1 MCM.

40

25 20

URC - RID

Increased reservoir capacity (temporary) 45.465 MCM.

35 30

2015 2019 Dead storage LRC - RID

2014 2018 Capacity URC - RID

5 Aug 2022 37.624 MCM. 93.83 %

Average 2006-2021

50

45 40

2011 2017 2021 Lowest of tunnel 2022

2015

LRC - RID 0

ม. ค.

Jan

ก. พ.

Feb

มี. ค.

Mar

เ ม. ย.

Apr

พ. ค.

May

มิ. ย.

Jun

ก. ค.

Jul

ส. ค.

Aug

ก. ย.

Sep

ต. ค.

Oct

พ. ย.

Nov

ธ. ค.

Dec


Water situation of Prasae Reservoir

Water volume in Prasae Reservoir (MCM.)

Water Situation of Prasae Reservoir

360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0

350

Maximum 2006-2021

2005

2006

2015

2016

2017

2019

2020

2021

Capacity

Dead storage

URC - RID

LRC - RID

Average 2006-2021

2022

URC - RID

5 Aug 2022 221 MCM. 74.92 %

Maximum 2006-2021 Average 2006-2021

Reservoir Capacity 295 MCM.

300

2022

2021

250

2006

200

2017 2015

150

2016 2019

100

2005

50

2020

Minimum reservoir volume 20 MCM. LRC - RID 0

ม. ค.

Jan

ก. พ.

Feb

มี. ค.

Mar

เ ม. ย.

Apr

พ. ค.

May

มิ. ย.

Jun

ก. ค.

Jul

ส. ค.

Aug

ก. ย.

Sep

ต. ค.

Oct

พ. ย.

Nov

ธ. ค.

Dec


Summary of water shortage prevention and mitigation measures in Rayong and Chonburi Provinces 2022 Planned Water Volume (MCM) 2022

Measure

JAN

FEB

2.00

2.00

0.14

0.21

MAR

APR

MAY

JUN

JUL

AUG

SEP

3.00

4.50

4.50

4.50

4.50

0.20

0.13

1.00

0.15

0.15

OCT

NOV

DEC

Total

1. Primary measures

1.1Water diversion via pumping from Prasae Reservoir

Planned PS - K Y Planned PS- NPL Actual PS-KY Actual PS-NPL

1.2 Divert Water from Bangpakong River + Private Pond

P lanned P rivate P ond Planned

Bangpakong

Actual P rivate P ond

Actual

Bangpakong

P lanned

1.3 Klong Saphan reverse K longSaphan pumping station

Actual

KlongSaphan

1.4 Divert Water from Klong Pra Ong Chaiyanuchit

Planned Actual

0.67

0.48

25.00 0.15

0.15

0.15

2 Aug 2.60 4.63 1.93 0.33

3.05 2.10

14.64

4 Aug 0.14 0.21 0.66 0.48 0.17 0.13 0.11 0.02 1.49

1.70

1.94

1.45

0.51

0.21

1.92

0.47

-

-

-

-

0.08

5.78

7.74

7.57

2.43

20Jul 1.49 1.70 1.94 1.45 0.51 0.21 0.47

0.79

8.55 23.60

7.77

4 Aug 0.00 0.33

0.33

10.00

4.00 4.00 2.00 16 Jul 2.22 0.00 10.0

3.58

14.0

4 Aug 1.66 2.24

2.22 7.0

8.0

10.0

39.00 3.90


Target Line and Reservoir Simulation in Chonburi

On 5 Aug 2022 Water Volume 132.94 MCM

155

Normal Status (All Clear)

155 Normal Status (All Clear) Prepare water reserve 130

Prepare water reserve 130 Surveillance of water scarcity

• •

Water shortage warning Minimum storage volume15.05 MCM.

• •

Divert water from Bang Pa Kong River and Pra Ong Chaiyanuchit (diversion will according to the water situation) Increase water diversion from Rayong (diversion will according to the water situation) Divert Water from Khlong Luang Ratchalothorn reservoir (diversion will according to the water situation) Consideration for another private pond Reduce water usage for various activities

155


Target Line and Reservoir Simulation in Rayong

On 5 Aug 2022 Water Volume 229.64 MCM or 83.43%

Normal Status (All Clear)

220

230

170

• •

Surveillance of water scarcity •

Water shortage warning

Normal Status (All Clear)

• •

220

170

Divert water from Prasae reservoir via Prasae-Klong Yai pipeline and PrasaeNong Pla Lai pipeline (diversion will according to the water situation) Divert water from Wat La Harn Rai to Nong Pla Lai reservoir (diversion will according to the water situation) Divert water from Prasae reservoir via Prasae-Klong Yai pipeline and Prasae-Nong Pla Lai pipeline (Full efficiency) Divert water from Wat La Harn Rai to Nong Pla Lai reservoir (Full efficiency) Reduce water consumption for all activities

Minimum storage volume 31.70 MCM. 05/08/65

13


Target Line and Reservoir Simulation in Prasae

On 5 Aug 2022 Water Volume 221.00 MCM or 74.90%

Storage Volume 295.0 MCM

250

Normal Status (All Clear)

Prepare water reserve • 160 Surveillance of water scarcity

• •

Water shortage warning Minimum storage volume 20.0 MCM.

250

Normal Status (All Clear)

Prepare water reserve 160 Divert water from Khlong Saphan canal to Prasae reservoir (diversion

will according to the water situation) Divert water from Wang Ta Nod canal to Prasae reservoir (diversion will according to the water situation) decrease divert water from Prasae reservoir (diversion will according to the water situation)

• Reduce water consumption for all activities

250


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