Mahaweli flood watch

Peradeniya · Nawalapitiya · Kotmale reservoir — the upper Mahaweli
Updated
2026-09-24 00:30 SLST
1h ago
Unofficial. This page re-presents the Department of Meteorology / Disaster Management Centre's published river level reports; it is not issued by them and is not an official warning. Do not make an evacuation decision from this page. The official reports are at dmc.gov.lk, and the DMC emergency line in Sri Lanka is 117.

Peradeniya

watch
4.02m
▲ 0.14 m/h · Alert in ~7h at this rate · +0.24 in 24h
0.98 m below Alert · higher than 88.4% of its history
Alert 5Minor 7Major 9
20 Sep21 Sep22 Sep23 Sep24 Sep
19 Sep 00:30 → 24 Sep 00:30 SLST
29.3%Alert3.7%Minor2.4%Major
chance of reaching each level within 24h · from 82 past readings in this state (level only)

Nawalapitiya

calm
2.53m
▲ 0.01 m/h · +0.13 in 24h
0.97 m below Alert · higher than 92.8% of its history
Alert 3.5Minor 5Major 6
20 Sep21 Sep22 Sep23 Sep24 Sep
19 Sep 00:30 → 24 Sep 00:30 SLST
5.6%Alert1.4%Minor<2%Major
chance of reaching each level within 24h · from 142 past readings in this state (level only)
Kotmale reservoir 57% full (+2.0 pts vs previous report) · 689.41 m asl · 13.6 m below FSL 703.0 · read 2026-09-23
Trend chart appears once there are 5 daily readings — 2 so far. Capture began 2026-09-22; the source publishes once a day and keeps no history.

Other stations near or above Alert

StationLevelAlert24h Alert risk
Baddegama3.65 m ▼3.5alert97.7% n=429
Tawalama4.03 m ▲4alert73.1% n=130
Magura3.90 m ▼4watch35.9% n=270
Thalgahagoda1.36 m ▲1.4watch15.3% n=124
Panadugama4.61 m ▲5watch59.5% n=37
Putupaula2.72 m ▼3watch6.7% n=225
Glencourse12.68 m15watch10% n=40
Ratnapura4.32 m ▲5.2watch17% n=300
All 33 stations in this report
StationLevelAlert24h Alert risk
Baddegama3.65 m ▼3.5alert97.7% n=429
Tawalama4.03 m ▲4alert73.1% n=130
Magura3.90 m ▼4watch35.9% n=270
Thalgahagoda1.36 m ▲1.4watch15.3% n=124
Panadugama4.61 m ▲5watch59.5% n=37
Putupaula2.72 m ▼3watch6.7% n=225
Glencourse12.68 m15watch10% n=40
Ratnapura4.32 m ▲5.2watch17% n=300
Kithulgala2.40 m ▲3calm3% n=235
Urawa1.99 m ▲2.5calm9.6% n=135
Ellagawa7.80 m ▼10calm<3% n=91
Dunamale2.44 m ▼3.3calm8.9% n=79
Hanwella4.57 m ▼6.5calm1.1% n=190
Norwood1.05 m ▲1.5calm4.7% n=427
N' Street2.70 ft ▼4calm7.9% n=38
Holombuwa1.76 m ▲3calm10% n=60
Badalgama2.59 m ▼5calm0.9% n=345
Pitabeddara1.98 m ▲4calm1.7% n=58
Deraniyagala1.83 m ▲4.8calm0.7% n=569
Horowpothana1.66 m6calm<1% n=527
Thanamalwila1.10 m4calm0.2% n=570
Moraketiya0.81 m3calm0.2% n=512
Giriulla1.39 m ▼5.5calm0.2% n=463
Wellawaya0.94 m4.4calm<0% n=674
Kuda Oya1.00 m6.9calm<0% n=699
Nakkala0.54 m5calm0.2% n=653
Yaka Wewa0.41 m4calm0.5% n=639
Moragaswewa0.39 m4.75calm2.4% n=331
Thaldena0.14 m3calm0.2% n=611
Siyambalanduwa0.14 m4.5calm<0% n=663
Padiyathalawa0.08 m4calm0.3% n=645
Katharagama-0.25 m4calm
Manampitiya-0.26 m3calm