12/02/66 1 On 10th February 2023
Overview of water situation in Rayong-Chonburi area on 10th Feb 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 71.61 195.81 245.84 29.19 Demand 2022 (MCM.) Supply (MCM.) Pump Station XX XX XX 69.87 141.64 94.33 19.21 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 9th Feb 2023 94.33 19.21 69.87 141.64 29.19 245.84 Percentage of reservoir capacity 81% 90% 98% 86% 73% 83.3% Useable storage volume (excluding Dead Storage) (MCM) 82.28 18.21 66.87 128.14 26.19 225.84 Inflow into reservoir (MCM) (On 10th Feb 2023) 0.111 0.189 0.0550.220 Water volume compared to previous week (-decrease, +increase) (MCM) -2.17 -0.14 -0.55 -5.24 -0.73 -3.39 -2.31 -6.51 Total water volume in each area 113.54 MCM (82.00%) 240.70 MCM (87.45%) Ref: water situation from RID on 10 Feb 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
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
Planned PS-KY 7.50 7.75 7.00 23.07 Planned PS-NPL 1.55 1.55 1.40 1.55 1.50 7.75 7.75 4.65 2.50 2.50 0.25 0.25 32.95 Actual PS-KY 0.00 Actual PS-NPL 0.38 0.16 0.54
1.1Water diversion via pumping from Prasae Reservoir
Planned Private Pond 1.18 1.43 1.58 1.73 1.74 1.19 1.04 - - - - 0.90 10.79 Planned Bangpakong 8.23 6.74 4.28 3.00 22.25 Actual Private Pond 0.84 0.54 1.38 Actual Bangpakong 0.00
1.2 Divert Water from Bangpakong River + Private Pond
Planned KlongSaphan 4.00 4.00 4.00 12.00 Actual KlongSaphan 0.00
1.3 Klong Saphan reverse pumping station
Planned 14.00 14.00 14.00 14.00 56.00 Actual
1.4 Divert Water from Klong Pra Ong Chaiyanuchit
9 Feb 9 Feb
Target Line and Reservoir Simulation in Chonburi
155
Normal Status All Clear) Prepare water reserve
130
Surveillance of water scarcity
155
On 10 Feb 2023
Water Volume 148.18 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)
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
On 10 Feb 2023
Water Volume 240.70 MCM or 87.45%
Increase reservoir capacity for temporary 318.13 MCM.
Normal Status All Clear)
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)
Surveillance of water scarcity
• 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
12/02/66 13
220
230
170 220
Target Line and Reservoir Simulation in Prasae
On 10 Feb 2023
Water Volume 245.84 MCM or 83.34%
Storage Volume 295.0 MCM
Normal Status All Clear)
Normal Status All Clear)
250
250
Prepare water reserve
160
Surveillance of water scarcity
250
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)
Water shortage warning
Minimum storage volume 20.0 MCM.
• Reduce water consumption for all activities
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