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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