lk_irrigation 🇱🇰

Realtime Data about River Water Levels in Sri Lanka, from the Irrigation Deptartment's Hydrology and Disaster Management Division.

Complete Dataset with 22,118 measurements from 39 stations.
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Original Data source

River Water Level Map

Latest measurements

There were 39 measurements in the last 1 hour.

Measured At	Station (River Basin)	Level (m)	Alert Level	Rate-of-Rise (m/hr)	Rising Alert
2025-12-19 11:16:45	Thaldena (Mahaweli Ganga)	1.02	🟢 Normal	0.000
2025-12-19 11:13:59	Urawa (Nilwala Ganga)	0.49	🟢 Normal	0.000
2025-12-19 11:11:25	Thawalama (Gin Ganga)	1.28	🟢 Normal	-0.020
2025-12-19 11:09:45	Rathnapura (Kalu Ganga)	1.12	🟢 Normal	0.000
2025-12-19 11:09:36	Panadugama (Nilwala Ganga)	2.68	🟢 Normal	0.000
2025-12-19 11:07:56	Thalgahagoda (Nilwala Ganga)	0.40	🟢 Normal	0.000
2025-12-19 11:07:56	Dunamale (Aththanagalu Oya)	1.31	🟢 Normal	-0.010
2025-12-19 11:07:28	Magura (Kalu Ganga)	1.29	🟢 Normal	-0.011
2025-12-19 11:07:15	Thanthirimale (Malwathu Oya)	5.36	🟡 Alert	0.000
2025-12-19 11:07:15	Kalawellawa (Millakanda) (Kalu Ganga)	1.87	🟢 Normal	0.000
2025-12-19 11:07:00	Badalgama (Maha Oya)	2.68	🟢 Normal	-0.010
2025-12-19 11:06:58	Manampitiya (Mahaweli Ganga)	4.73	🟠 Minor Flood	-0.038
2025-12-19 11:06:40	Hanwella (Kelani Ganga)	1.15	🟢 Normal	-0.028
2025-12-19 11:06:22	Yaka Wewa (Ma Oya)	1.02	🟢 Normal	-0.019
2025-12-19 11:05:37	Thaldena (Mahaweli Ganga)	1.02	🟢 Normal	0.000
2025-12-19 11:05:37	Norwood (Kelani Ganga)	0.70	🟢 Normal	-0.059
2025-12-19 11:05:36	Peradeniya (Mahaweli Ganga)	2.72	🟢 Normal	-0.020
2025-12-19 11:05:07	Holombuwa (Kelani Ganga)	0.62	🟢 Normal	0.000
2025-12-19 11:04:52	Pitabeddara (Nilwala Ganga)	0.71	🟢 Normal	0.000
2025-12-19 11:04:04	Katharagama (Menik Ganga)	0.17	🟢 Normal	-0.010
2025-12-19 11:03:53	Glencourse (Kelani Ganga)	8.96	🟢 Normal	-0.090
2025-12-19 11:03:48	Padiyathalawa (Maduru Oya)	2.10	🟢 Normal	0.109	🔺 Rising
2025-12-19 11:03:38	Nagalagam Street (Kelani Ganga)	0.43	🟢 Normal	0.032	🔺 Rising
2025-12-19 11:03:34	Weraganthota (Mahaweli Ganga)	0.35	🟢 Normal	-0.863
2025-12-19 11:03:34	Kuda Oya (Kirindi Oya)	1.47	🟢 Normal	-0.010
2025-12-19 11:03:34	Deraniyagala (Kelani Ganga)	0.46	🟢 Normal	-0.040
2025-12-19 11:02:40	Horowpothana (Yan Oya)	6.17	🟡 Alert	0.059	🔺 Rising
2025-12-19 11:02:18	Kithulgala (Kelani Ganga)	1.48	🟢 Normal	0.141	🔺 Rising
2025-12-19 11:02:03	Giriulla (Maha Oya)	1.40	🟢 Normal	-0.011
2025-12-19 11:01:58	Ellagawa (Kalu Ganga)	4.79	🟢 Normal	-0.031
2025-12-19 11:01:47	Baddegama (Gin Ganga)	1.12	🟢 Normal	-0.010
2025-12-19 11:01:30	Thanamalwila (Kirindi Oya)	1.12	🟢 Normal	-0.010
2025-12-19 11:01:11	Putupaula (Kalu Ganga)	0.55	🟢 Normal	-0.031
2025-12-19 11:01:09	Moragaswewa (Deduru Oya)	1.54	🟢 Normal	0.000
2025-12-19 11:00:53	Siyambalanduwa (Heda Oya)	1.10	🟢 Normal	-0.010
2025-12-19 11:00:34	Wellawaya (Kirindi Oya)	1.06	🟢 Normal	0.000
2025-12-19 11:00:11	Nakkala (Kumbukkan Oya)	1.68	🟢 Normal	-0.010
2025-12-19 11:00:10	Moraketiya (Walawe Ganga)	0.97	🟢 Normal	0.000
2025-12-19 11:00:08	Nawalapitiya (Mahaweli Ganga)	0.96	🟢 Normal	0.000

Latest by Station

⌛ = Latest measurement is older than 24 hours.

Measured At	Station (River Basin)	Level (m)	Alert Level	Rate-of-Rise (m/hr)	Rising Alert
2025-12-19 11:06:58	Manampitiya (Mahaweli Ganga)	4.73	🟠 Minor Flood	-0.038
2025-12-19 11:02:40	Horowpothana (Yan Oya)	6.17	🟡 Alert	0.059	🔺 Rising
2025-12-19 11:07:15	Thanthirimale (Malwathu Oya)	5.36	🟡 Alert	0.000
2025-12-19 11:02:18	Kithulgala (Kelani Ganga)	1.48	🟢 Normal	0.141	🔺 Rising
2025-12-19 11:03:48	Padiyathalawa (Maduru Oya)	2.10	🟢 Normal	0.109	🔺 Rising
2025-12-19 11:03:38	Nagalagam Street (Kelani Ganga)	0.43	🟢 Normal	0.032	🔺 Rising
2025-12-19 11:00:34	Wellawaya (Kirindi Oya)	1.06	🟢 Normal	0.000
2025-12-19 11:01:09	Moragaswewa (Deduru Oya)	1.54	🟢 Normal	0.000
2025-12-19 11:00:08	Nawalapitiya (Mahaweli Ganga)	0.96	🟢 Normal	0.000
2025-12-19 11:04:52	Pitabeddara (Nilwala Ganga)	0.71	🟢 Normal	0.000
2025-12-19 11:09:36	Panadugama (Nilwala Ganga)	2.68	🟢 Normal	0.000
2025-12-19 11:00:10	Moraketiya (Walawe Ganga)	0.97	🟢 Normal	0.000
2025-12-19 11:16:45	Thaldena (Mahaweli Ganga)	1.02	🟢 Normal	0.000
2025-12-19 11:05:07	Holombuwa (Kelani Ganga)	0.62	🟢 Normal	0.000
2025-12-19 11:09:45	Rathnapura (Kalu Ganga)	1.12	🟢 Normal	0.000
2025-12-19 11:13:59	Urawa (Nilwala Ganga)	0.49	🟢 Normal	0.000
2025-12-19 11:07:56	Thalgahagoda (Nilwala Ganga)	0.40	🟢 Normal	0.000
2025-12-19 11:07:15	Kalawellawa (Millakanda) (Kalu Ganga)	1.87	🟢 Normal	0.000
2025-12-19 11:07:56	Dunamale (Aththanagalu Oya)	1.31	🟢 Normal	-0.010
2025-12-19 11:03:34	Kuda Oya (Kirindi Oya)	1.47	🟢 Normal	-0.010
2025-12-19 11:04:04	Katharagama (Menik Ganga)	0.17	🟢 Normal	-0.010
2025-12-19 11:07:00	Badalgama (Maha Oya)	2.68	🟢 Normal	-0.010
2025-12-19 11:00:11	Nakkala (Kumbukkan Oya)	1.68	🟢 Normal	-0.010
2025-12-19 11:01:30	Thanamalwila (Kirindi Oya)	1.12	🟢 Normal	-0.010
2025-12-19 11:00:53	Siyambalanduwa (Heda Oya)	1.10	🟢 Normal	-0.010
2025-12-19 11:01:47	Baddegama (Gin Ganga)	1.12	🟢 Normal	-0.010
2025-12-19 11:07:28	Magura (Kalu Ganga)	1.29	🟢 Normal	-0.011
2025-12-19 11:02:03	Giriulla (Maha Oya)	1.40	🟢 Normal	-0.011
2025-12-19 11:06:22	Yaka Wewa (Ma Oya)	1.02	🟢 Normal	-0.019
2025-12-19 11:05:36	Peradeniya (Mahaweli Ganga)	2.72	🟢 Normal	-0.020
2025-12-19 11:11:25	Thawalama (Gin Ganga)	1.28	🟢 Normal	-0.020
2025-12-19 10:03:48	Galgamuwa (Mee Oya)	1.92	🟢 Normal	-0.021
2025-12-19 11:06:40	Hanwella (Kelani Ganga)	1.15	🟢 Normal	-0.028
2025-12-19 11:01:58	Ellagawa (Kalu Ganga)	4.79	🟢 Normal	-0.031
2025-12-19 11:01:11	Putupaula (Kalu Ganga)	0.55	🟢 Normal	-0.031
2025-12-19 11:03:34	Deraniyagala (Kelani Ganga)	0.46	🟢 Normal	-0.040
2025-12-19 11:05:37	Norwood (Kelani Ganga)	0.70	🟢 Normal	-0.059
2025-12-19 11:03:53	Glencourse (Kelani Ganga)	8.96	🟢 Normal	-0.090
2025-12-19 11:03:34	Weraganthota (Mahaweli Ganga)	0.35	🟢 Normal	-0.863

River Water Level Charts by Station

Manampitiya (Mahaweli Ganga)

Horowpothana (Yan Oya)

Thanthirimale (Malwathu Oya)

Kithulgala (Kelani Ganga)

Padiyathalawa (Maduru Oya)

Nagalagam Street (Kelani Ganga)

Wellawaya (Kirindi Oya)

Moragaswewa (Deduru Oya)

Nawalapitiya (Mahaweli Ganga)

Pitabeddara (Nilwala Ganga)

Panadugama (Nilwala Ganga)

Moraketiya (Walawe Ganga)

Thaldena (Mahaweli Ganga)

Holombuwa (Kelani Ganga)

Rathnapura (Kalu Ganga)

Urawa (Nilwala Ganga)

Thalgahagoda (Nilwala Ganga)

Kalawellawa (Millakanda) (Kalu Ganga)

Dunamale (Aththanagalu Oya)

Kuda Oya (Kirindi Oya)

Katharagama (Menik Ganga)

Badalgama (Maha Oya)

Nakkala (Kumbukkan Oya)

Thanamalwila (Kirindi Oya)

Siyambalanduwa (Heda Oya)

Baddegama (Gin Ganga)

Magura (Kalu Ganga)

Giriulla (Maha Oya)

Yaka Wewa (Ma Oya)

Peradeniya (Mahaweli Ganga)

Thawalama (Gin Ganga)

Galgamuwa (Mee Oya)

Hanwella (Kelani Ganga)

Ellagawa (Kalu Ganga)

Putupaula (Kalu Ganga)

Deraniyagala (Kelani Ganga)

Norwood (Kelani Ganga)

Glencourse (Kelani Ganga)

Weraganthota (Mahaweli Ganga)

Name		Name	Last commit message	Last commit date
Latest commit History 1,433 Commits
.github/workflows		.github/workflows
data		data
images		images
src		src
tests		tests
workflows		workflows
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
requirements.txt		requirements.txt

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