Summary of the water volume and mitigation measures in Rayong and Chonburi Provinces for 2023 On 15th December 2023 18/12/66
1
Overview of water situation in Rayong-Chonburi area on 15th Dec 2023 P2
P3 P4
Private Pond
Chonburi
Detail
P1
Reservoir capacity (MCM) (Temporary increase) Current storage volume 17.00 (MCM) on 15 Dec 2023 Percentage of reservoir capacity Samnakbok Useable storage volume Reserve Pond (excluding Dead Storage) (MCM) P5
BangPhra
Nong Kho
Dokkrai
Nong Pla Lai
Klong Yai
117.00
21.40
71.40 (79.41)
163.75 (187.62)
40.10 295.00 (51.10)
87.74
9.39
59.03
160.90
29.64
259.90
75%
44%
83%
98%
74%
88.1%
75.69
8.39
56.03
147.40
26.64
239.90
0.240
0.028
0.328
Inflow into reservoir (MCM) (On 14 Dec 2023)
87.74
Bang Phra res. P6
9.39
Nong Kho res. P7
48.00
Water volume compared to previous week (-decrease, +increase) (MCM) Total water volume in each area
38.00
+0.29
29.64
Dok Krai res. P12
P8
P11
P9
Prasae
0.00
0.596 -0.50
-0.50
-0.88
-1.55 -4.78
-0.21
-2.93
97.13 MCM (70.20%)
249.57 MCM (90.67%)
Ref: water situation from RID on 15 Dec 2023
259.90 Prasae res.
Khlong Yai res. Nong Pla160.90 Lai res.
59.03
P
P15
P10
Normal 50.01-80.00% Emergency 30.01-50.00%
Critical <30.00% XX Demand 2023 (MCM.)
XX XX
P13
156.60
Rayong
Supply (MCM.) Pump Station
Raw Water Pipe Line (EW) P14
Existing Pipe Network Constructing Pipe Network
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
Maximum 2006-2022 2016 2020 URC - RID 2022
2004 2017 2021 LRC - RID
2015 2019 Dead storage 2023
15 Dec 2023 97.13 MCM. 70.18 %
Maximum 2006-2022
160
2005 2018 Capacity Average 2006-2022
140
2 Reservoirs total capacity 138.4 MCM.
120
2022
URC - RID
Average 2006-2022
2023
100
1
80
60
40
20
LRC - RID
Minimum reservoir volume 13.05 MCM. 0
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Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec 3
Water situation of Bangphra Reservoir (by Year)
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4
Water situation of Nongkho Reservoir (by Year)
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5
Water situation of Nongplalai, Dokkrai and Klongyai Reservoirs
Water situation of Dokkrai Reservoir (by Year)
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Water situation of Nongplalai Reservoir (by Year)
Water situation of Klongyai Reservoir (by Year)
Water situation of Prasae Reservoir
Summary of water shortage prevention and mitigation measures in Rayong and Chonburi Provinces 2023 Planned Water Volume (MCM) 2023
Measure JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Total
7.50
7.80
7.80
7.80
7.80
7.80
8.06
54.00
0.25
0.25
0.25
0.25
5.00
7.50
6.88
29.68
7.06 2.92 8.82 6.62 3.95 8.48 9.03 8.92 8.09 8.91
8.37
1. Primary measures
1.1Water diversion via pumping from Prasae Reservoir
Planned PS - KY Planned PS- NPL
PS. Divert water to irrigation area during Feb until May 2023
PS-KY*
1.2 Divert Water from Bangpakong River + Private Pond Ps. Stop divert water from Bang Prakong River to Bang Phra reservoir because the salinity over then 1 g/l
1.55
1.40
3.10
3.00
0.25
14 Dec
0.39 0.39 1.40 1.42 0.33 0.35 0.38 0.33 0.39 5.60
Planned Private Pond
1.83
1.60
1.92
0.74
1.74
1.19
Planned
6.87
Bangpakong
0.84
6.99
7.49
2.69
19.10
0.89
10.95
3.81
25.16
2 Aug
1.17 1.88 1.17 2.62 2.62 1.60 0.03
11.93 28 Nov 5.79
28.46
5.00 10.00 10.00 14.00 11.00
50.00
10 Oct 2.87 0.00
7.94
Planned
14.00 14.00 14.00 14.00
56.00
Actual
5.17 15.37 11.57 12.43 13.73 7.48
6.51
Bangpakong
Planned 1.3 Klong Saphan reverse KlongSaphan
Actual KlongSaphan
1.4 Divert Water from Klong Pra Ong Chaiyanuchit
5.43
1.04
Actual
pumping station
85.80
14 Dec
Actual PS-NPL
Actual Private Pond
4.63
0.51
0.48
1.61
0.00
7.80
2.47
8.36
14 Dec
65.75
Target Line and Reservoir Simulation in Chonburi
On 15 Dec 2023 Water Volume 121.56 MCM
155
Normal Status (All Clear) Prepare water reserve 130 Surveillance of water scarcity
155 •
•
•
Water shortage warning Minimum storage volume15.05 MCM.
• •
Normal Status (All Clear) Prepare water reserve 130
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
Increase reservoir capacity for temporary 318.13 MCM.
On 15 Dec 2023 Water Volume 249.57 MCM or 90.68%
(Temporary capacity 78.45%)
Normal Status (All Clear)
Normal Status (All Clear)
230 Prepare water reserve
220 170
• •
Surveillance of water scarcity •
Water shortage warning
• •
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. 18/12/66
13
Target Line and Reservoir Simulation in Prasae
On 15 Dec 2023 Water Volume 259.90 MCM or 88.10%
Storage Volume 295.0 MCM
250
Normal Status (All Clear) Prepare water reserve
• •
Surveillance of water scarcity
Water shortage warning Minimum storage volume 20.0 MCM.
•
250
Normal Status (All Clear) Prepare water reserve
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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