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
2025-09-18
Water Level
Dashboards
Analytics
24 Hr RF in (mm)
Water Level (M)
Horowpatana Water Level (M)
Real-Location
Last Week Water Level