WLRS
Rivers
Kelani Ganga (RB 01)
Kalu Ganga (RB 03)
Gin Ganga (RB 09)
Nilwala Ganga (RB 12)
Walawe Ganga (RB 18)
Menik Ganga (RB 26)
Mahaweli Ganga (RB 60)
Oya
Kirindi Oya (RB 22)
Kumbukkan Oya (RB 31)
Heda Oya (RB 36)
Maduru Oya (RB 54)
Yan Oya (RB 67)
Maa Oya (RB 69)
Malwathu Oya (RB 90)
Mee Oya (RB 95)
Deduru Oya (RB 99)
Maha Oya (RB 102)
Attanagalu Oya (RB 103)
Water Level & Rainfall Situation
in Major Rivers
Yan Oya
Analytics Dashboard As At
2025-07-14
Water Level
Dashboards
Analytics
24 Hr RF in (mm)
Time
2025-07-14 09:00:00
2025-07-14 15:00:00
2025-07-14 16:00:00
Rainfall (mm)
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Horowpatana
Water Level (M)
Time
2025-07-14 09:00:00
2025-07-14 15:00:00
2025-07-14 16:00:00
Water Level (M)
0
1
2
3
4
5
6
7
8
9
10
11
12
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Horowpatana
Horowpatana Water Level (M)
Horowpatana Alert Level (6M)
Horowpatana Minor Level (7.5M)
Horowpatana Major Level (10.5M)
Time
09:00
15:00
16:00
Water Level (M)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Horowpatana
Real-Location
Last Week Water Level
Time
2025-07-08 09:00:00
2025-07-09 09:00:00
2025-07-10 09:00:00
2025-07-11 09:00:00
2025-07-12 09:00:00
2025-07-13 09:00:00
2025-07-14 09:00:00
Water Level (M)
0
1
2
3
4
5
6
7
8
9
10
11
12
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Horowpatana