Summary of the water volume and mitigation measures in Rayong and Chonburi Provinces for 2023
On 4 Aug 2023
07/08/66 1
Overview of water situation in Rayong-Chonburi area on 4 Aug 2023
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 28 Jul 2023 44.99 13.23 38.89 97.63 29.28 185.93 Percentage of reservoir capacity 38% 62% 54% 60% 73% 63.0% Useable storage volume (excluding Dead Storage) (MCM) 32.94 12.23 35.89 84.13 26.28 165.93 Inflow into reservoir (MCM) (On 27 Jul 2023) 0.169 0.299 0.895 0.470 1.364 Water volume compared to previous week (-decrease, +increase) (MCM) -0.46 -0.14 +0.81 +2.64 -0.18 -2.50 -0.60 +3.27 Total water volume in each area 58.22 MCM (42.1%) 165.8 MCM (60.24%) 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 37.99 P6 P10 16.93 48.03 156.60 185.93 29.28 Demand 2023 (MCM.) Supply (MCM.) Pump Station XX XX XX 38.89 97.63 44.99 13.23 P15
Ref: water situation from RID on 4 Aug 2023 Normal 50.01-80.00% Emergency 30.01-50.00% Critical <30.00%
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
Summary of water shortage prevention and mitigation measures in Rayong and Chonburi Provinces 2023
Measure Planned Water Volume (MCM) 2023 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Total
1. Primary measures
during Feb until May 2023 Planned PS-KY 7.50 7.80 7.80 7.80 7.80 7.80 7.50 54.00 Planned PS-NPL 1.55 1.40 3.10 3.00 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 27.95 PS-KY* 7.06 2.92 8.82 6.62 3.95 8.48 9.03 0.84 47.72 Actual PS-NPL 0.39 0.39 1.40 1.42 0.33 0.35 0.38 0.04 4.70
Bangpakong River
Private Pond Planned Private Pond 1.83 1.60 1.92 0.74 1.74 1.19 1.04 0.89 10.94 Planned Bangpakong 6.96 6.54 6.20 3.92 23.62 Actual Private Pond 0.84 1.17 1.88 1.17 2.62 2.62 1.60 0.03 11.93 Actual Bangpakong 0.08 0.08
1.1Water diversion via pumping from Prasae Reservoir * Divert water to irrigation area
1.2 Divert Water from
+
Planned KlongSaphan 5.00 10.00 10.00 14.00 11.00 50.00 Actual KlongSaphan 1.58 1.58
1.3 Klong Saphan reverse pumping station
Planned 14.00 14.00 14.00 14.00 56.00 Actual 5.17 0.92 6.09
1.4 Divert Water from Klong Pra Ong Chaiyanuchit
3 Aug 3 Aug 2 Aug 25 Jul 3 Aug 3 Aug
Target Line and Reservoir Simulation in Chonburi
155
Normal Status All Clear) Prepare water reserve
130
Surveillance of water scarcity
155
On 4 Aug 2023
Water Volume 80.77 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)
155
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
Target Line and Reservoir Simulation in Rayong
On 4 Aug 2023
Water Volume 165.80 MCM or 60.24%
Increase reservoir capacity for temporary 318.13 MCM.
Normal Status All Clear)
230 220
Prepare water reserve
Normal Status All Clear)
220
170
Surveillance of water scarcity
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)
Water shortage warning
Minimum storage volume 31.70 MCM.
• 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
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Target Line and Reservoir Simulation in Prasae
250
Storage Volume 295.0 MCM
Normal Status All Clear)
250
On 4 Aug 2023
Water Volume 185.93 MCM or 63.00%
Normal Status All Clear)
Prepare water reserve
Surveillance of water scarcity
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
Water shortage warning
Minimum storage volume 20.0 MCM.
• Reduce water consumption for all activities
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