22/05/66 1
19
2023
On
th May
Overview of water situation in Rayong-Chonburi area on 19th May 2023
Samnakbok Reserve Pond Khlong Yai res. Nong Pla Lai res. Dok Krai res. Private Pond Prasae res. Existing Pipe Network Constructing Pipe Network Raw Water Pipe Line (EW) Existing Pipe Network Constructing Pipe Network Raw Water Pipe Line (RID) Bang Phra res. Nong Kho res. P1 P4 P3 P8 P9 P12 P11 P13 P14 P5 P7 P P2 34.84 P6 P10 15.53 71.61 195.81 197.42 13.32 Demand 2023 (MCM.) Supply (MCM.) Pump Station XX XX XX 43.05 89.05 61.05 15.94 P15
1 Chonburi Rayong BangPhra Nong Kho Dokkrai Nong Pla Lai Klong Yai Prasae Reservoir capacity (MCM) (Temporary increase) 117.00 21.40 71.40 (79.41) 163.75 (187.62) 40.10 (51.10) 295.00 Current storage volume (MCM) on 19th May 2023 61.05 15.94 43.05 89.05 13.32 197.42 Percentage of reservoir capacity 52% 74% 60% 54% 33% 66.9% Useable storage volume (excluding Dead Storage) (MCM) 49.00 14.94 40.05 75.55 10.32 177.42 Inflow into reservoir (MCM) (On 18th May 2023) - 0.089 0.0810.170 Water volume compared to previous week (-decrease, +increase) (MCM) -1.45 -0.08 -2.67 -1.65 -1.58 -3.70 -1.53 -5.90 Total water volume in each area 76.99 MCM (55.60%) 145.42 MCM (52.83%) Ref: water situation from RID on 19 May 2023
Water situation of Bangphra, Nongkho Reservoir
Water situation of Bangphra Reservoir (by Year)
Water situation of Nongkho Reservoir (by Year)
Water situation of Nongplalai, Dokkrai and Klongyai Reservoirs
Water situation of Dokkrai Reservoir (by Year)
Water situation of Nongplalai Reservoir (by Year)
Water situation of Klongyai Reservoir (by Year)
Water situation of Prasae Reservoir
1.
Summary of water shortage prevention and mitigation measures in Rayong and Chonburi Provinces 2023
Planned Water Volume (MCM) 2023 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Total
Measure
Primary measures
Feb
May 2023 Planned PS-KY 6.00 6.20 6.20 3.85 22.25 Planned PS-NPL 1.55 1.40 3.10 3.00 3.10 3.00 3.10 3.10 3.00 3.10 0.25 0.25 27.95 PS-KY* 7.06 2.92 8.82 6.62 3.49 28.91 Actual PS-NPL 0.38 0.39 1.40 1.42 0.16 3.75
Pond
Private Pond 1.83 1.60 1.92 0.74 1.74 1.19 1.04 0.89 10.94 Planned Bangpakong 6.96 6.31 5.97 3.30 22.54 Actual Private Pond 0.84 1.17 1.88 1.17 1.56 6.62 Actual Bangpakong 0.00
1.1Water diversion via pumping from Prasae Reservoir * Divert water to irrigation area during
until
1.2 Divert Water from Bangpakong River + Private
Planned
Planned KlongSaphan 4.00 4.00 4.00 12.00 Actual KlongSaphan 0.00
Chaiyanuchit Planned 14.00 14.00 14.00 14.00 56.00 Actual
1.3 Klong Saphan reverse pumping station
1.4 Divert Water from Klong Pra Ong
19 May 19 May 19 May
Target Line and Reservoir Simulation in Chonburi
155
Normal Status All Clear) Prepare water reserve
130
Surveillance of water scarcity
155
On 19 May 2023
Water Volume 103.21 MCM
130 Prepare water reserve Normal Status All Clear)
• 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)
Water shortage warning
Minimum storage volume15.05 MCM.
• 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.
Normal Status All Clear)
Surveillance of water scarcity
Water shortage warning Minimum storage volume 31.70 MCM.
On 19 May 2023
Water Volume 145.22 MCM or 52.83%
Normal Status All Clear)
170
• Divert water from Prasae reservoir via Prasae 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
22/05/66 13
220
230
170 220
Target Line and Reservoir Simulation in Prasae
On 19 May 2023
Water Volume 197/42 MCM or 66.92%
250
Storage Volume 295.0 MCM
Normal Status All Clear) Prepare water reserve
250
160 Prepare water reserve
Normal Status All Clear) 160
• Divert water from Khlong Saphan 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)
Surveillance of water scarcity
Water shortage warning
Minimum storage volume 20.0 MCM.
• decrease divert water from Prasae reservoir (diversion will according to the water situation)
• Reduce water consumption for all activities
250
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