Summary of the water volume and mitigation measures in Rayong
and Chonburi
Provinces for 2024
On 24th May 2024
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Overview
Detail 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 24th May 2024 42.29 7.29 32.34 88.06 27.14 173.65 Percentage of reservoir capacity 36% 34% 45% 54% 68% 58.9% Useable storage volume (excluding Dead Storage) (MCM) 30.24 6.29 29.34 74.56 24.14 153.65 Inflow into reservoir (MCM) (On 23th May 2024) 1.975 1.884 0.582 3.490 4.441 Water volume compared to previous week (-decrease, +increase) (MCM) +0.38 +0.52 +5.27 +5.53 +2.59 +16.17 +0.90 +13.39 Total water volume in each area 49.58 MCM (35.8%) 147.54 MCM (53.60%) 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. P P P P P P P P P P P P P P P 173.65 27.14 Supply (MCM.) Pump Station Reservoir XX P 32.34 88.06 42.29 7.29 P
of water
area on 17th May 2024 Ref: water situation from RID on 24th May 2024 Normal 50.01-80.00% Emergency 30.01-50.00% Critical <30.00% Emergency Pond
situation in Rayong-Chonburi
Water situation of Bangphra, Nongkho Reservoir
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Water situation of Bangphra Reservoir (by Year)
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Water situation of Nongkho Reservoir (by Year)
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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
Measure Planned Water Volume (MCM) 2024
1. Primary measures
1.1Water diversion via pumping from Prasae Reservoir
PS. Divert water to irrigation area during Jan to Mar 2024
1.2 Divert Water from
1.3 Klong Saphan reverse pumping station
1.4 Divert Water from Klong Pra Ong Chaiyanuchit
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Total
PlanMOU PS-KY 2.19 4.00 8.50 8.50 8.50 5.00 5.00 5.00 5.00 5.00 5.00 5.00 66.69 Plan PS-NPL 0.59 0.35 0.37 0.36 0.37 3.60 2.48 2.48 3.00 3.10 4.50 4.65 25.9 PS-KY (Diver for irrigation) 7.46 (4.87) 6.23 (2.45) 7.72 7.02 5.27 33.70 (7.32) Actual PS-NPL 3.29 2.22 3.50 4.11 2.48 15.60
Bangpakong River + Private Pond Plan Privatepond 1.50 1.25 1.25 1.25 1.25 1.25 1.25 10.58 Plan Bangpakong River 7.22 6.29 6.77 6.78 27.10 Actual PrivatePond 1.60 0.40 1.31 0.71 0.31 4.33 Actual Bangpakong River
Plan 4.00 4.00 2.00 2.00 12.00 Actual
Plan 7.00 14.00 14.00 14.00 14.00 7.00 70.00 Actual Summary of water shortage prevention and mitigation measures in Rayong and Chonburi Provinces 2024 23 May 23 May 23 May
Target Line and Reservoir Simulation in Chonburi
• 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) On 24th May 2024
• 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
Water Volume 62.404 MCM 155 130 Normal Status All Clear) Prepare water reserve
Surveillance of water scarcity
Water shortage warning
Minimum storage volume15.05 MCM. 155 155 130 Prepare water reserve Normal Status All Clear)
Target Line and Reservoir Simulation in Rayong
Increase reservoir capacity for temporary 318.13 MCM.
220
230
Normal Status All Clear) Prepare water reserve
170
On 24th May 2024
Surveillance of water scarcity
Water shortage warning
Minimum storage volume 31.70 MCM.
Normal Status All Clear)
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
220
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53.60%
Water Volume 147.54 MCM or
Target Line and Reservoir Simulation in Prasae
Storage Volume 295.0 MCM
Normal Status All Clear)
Prepare water reserve
Surveillance of water scarcity
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)
250 250
storage
On 24th May 2024 Water Volume 173.54 MCM or 58.86% 250
Water shortage warning Minimum
volume 20.0 MCM. • Reduce water consumption for all activities
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