Flood Information Resources
Complete URL directory for Sri Lanka flood monitoring systems
π
NAVY WLRS - Real-Time River Monitoring
Water Level & Rainfall System - 24hr rainfall, water levels, real-time location maps
Base URL: https://floodms.navy.lk/wlrs/ποΈ Major Rivers (Ganga)
Kelani Ganga
RB 01
Stations: Nagalagam Street, Hanwella, Kitulgala, Glencourse, Deraniyagala, Holombuwa, Norwood
Kalu Ganga
RB 03
Stations: Ellagawa, Putupaula, Magura, Ratnapura, Kalawellawa
Gin Ganga
RB 09
Stations: Baddegama, Tawalama
Nilwala Ganga
RB 12
Stations: Panadugama, Thalgahagoda, Urawa, Pitabeddara
Walawe Ganga
RB 18
Stations: Moraketiya
Menik Ganga
RB 26
Stations: -
Mahaweli Ganga
RB 60
Stations: -
π§ Streams (Oya)
Kirindi Oya
RB 22
Region: Southern
Kumbukkan Oya
RB 31
Region: Eastern
Heda Oya
RB 36
Region: Eastern
Maduru Oya
RB 54
Region: Eastern
Yan Oya
RB 67
Region: Northern
Maa Oya
RB 69
Region: North Western
Malwathu Oya
RB 90
Region: North Central
Mee Oya
RB 95
Region: North Western
Deduru Oya
RB 99
Region: North Western
Maha Oya
RB 102
Region: Western
Attanagalu Oya
RB 103
Region: Western
π±
RiverNet.LK - Irrigation Department Early Warning
Live river levels, flood alerts, mobile app interface
https://rivernet.lk/Main Dashboard
Landing page
Landing Portal
Main entry point
Mobile Web App
Flutter-based mobile interface
Kalu Ganga Overview
Basin-wide view
Kelani Ganga Overview
Basin-wide view
Kelaniya Station
Kelani River at Kelaniya
Ratnapura Station
Kalu Ganga at Ratnapura
Gampaha Station
Attanagalu Oya region
Nilwala Station
Nilwala Ganga
πΊοΈ
Navy Flood MS - Historical Maps & Emergency
Dashboards, situation reports, district maps, rescue resources
https://floodms.navy.lk/π Dashboards & Reports
πΊοΈ Sabaragamuwa Province (Ratnapura District)
πΊοΈ Other Provinces
ποΈ
Government & Official Portals
Official government monitoring systems and reports
π°οΈ
Weather & Satellite Monitoring
Real-time weather maps, satellite imagery, rainfall monitoring
π
International & Regional Resources
Global disaster alerts and humanitarian updates
π
Reference Documents
Technical documentation and concept papers
Navy Flood MS Concept Paper
PDF Document
π Summary Statistics
7
Major Rivers (Ganga)
11
Streams (Oya)
18
River Basins Monitored
14
District/DSD Maps
5
Weather/Satellite Sources
6
Government Portals
60+
Total URLs
External Resources
These resources are provided by external organizations and government agencies. FloodWatch LK aggregates these links for convenient access. Please verify information with official sources.