Assessing the water situation

  • 1) Water content in 4 main dams is in the normal range.
  • 2) Drainage rates from the 4 main dams are in the normal range.
  • 3) Water levels around the industrial estate area in the normal range.
  • 3) Forecasting rainfall in related areas.

Bangkok and the metropolitan area did not find rain in the area. Resulting in not affecting the water content in the dams.

Nava Nakorn Public Company Limited will report data according to plan as follows.
# Month
January February March April May June July August September October November December
Reporting Monthly Monthly Monthly Monthly Monthly Monthly Monthly Weekly Weekly Weekly Monthly Monthly
Frequency (times) 1 1 1 1 2 2 2 1 1 1 1 2

Main Dam

September 17,2021
# Main Dam Water in The Dam Water InFlow Water OutFlow Capacity Balance
Volume Cu.m. Capacity % Today Cu.m. Yesterday Cu.m. Today Cu.m. Yesterday Cu.m. Cu.m.
1 Phumipol Dam 5,300.00 39.37 73.67 48.70 1.00 0.50 13,462.00
2 Sirikit Dam 3,875.00 40.75 24.17 22.78 0.00 5.00 9,510.00
3 Kwai Noi Dam 584.00 62.19 21.19 26.39 0.00 0.00 939.00
4 Pa Sak Jolasid Dam 297.00 30.94 22.58 20.28 0.00 0.00 960.00
Total 10,056.00 40.43 141.61 118.15 1.00 5.50 24,871.00
Total capacity of the reservoir and Total water outflow < 80%
Total capacity of the reservoir and Total water outflow 80-90%
Total capacity of the reservoir and Total water outflow > 90%

Water Flow

# Key Index Station Crisis Point September 2021
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
1 C.2 , Nakornsawan Province > 3,500 Cu.m./Sec 712 723 716 763 841 936 983 932 841 828 831 1158 1827 1909 1864 1754 1627 1642 1808
2 C.13 , Chaopraya Dam > 2,840 Cu.m./Sec 60 110 205 494 563 633 700 751 751 626 611 850 1199 1321 1423 1338 1287 1285 1350
3 S.26 , Rama VI Dam > 556 Cu.m./Sec 1 1 1 59 110 118 54 138 65 67 142 138 120 83 125.76 115 44 101 38
4 C.29 , Bang Sai > 3,500 Cu.m./Sec 60 72 74 86 129 194 291 452 632 681 718 727 688 752 863 1125 1285 1324 1425

Water level

# Key Index Station Stay Alerted September 2021
Warning 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
1 Chaopraya water level at Wat Songphinong 3.50
0.42
0.50
0.40
0.39
0.63
0.64
0.64
0.78
0.93
0.93
0.97
0.87
0.96
0.91
1.09
1.26
4.00
2 Chiang Rak Noi water gate (+4.20 MAMSL) 3.50
4.00
3 Bang Raw water gate (Klong Prem North)(+4.20 MAMSL) 3.50
4.00
4 Pra-in Raja water gate 3.50
4.00
5 Klang Klong Prem water gate 3.50
4.00
6 DPS-1 Nava Nakorn 3.50
0.50
0.50
0.50
0.50
0.50
0.40
0.40
0.40
0.40
0.40
0.40
0.40
0.40
0.40
0.40
0.40
0.40
4.00
Safety Level
Close Watch Level
Critical Level