Reservoir spill gates open today

Reservoirs spilling or releasing water now, biggest release first, from the Irrigation Department sheet and the Mahaweli Authority report (updated about once a day; check the date on each page).

InginimitiyaMi Oya · PuttalamSpilling95% fullLarge1,000 cusecs · ≈ 28,000 L/s
BadagiriyaHambantotaSpilling99% fullSmall883 cusecs · ≈ 25,000 L/s
MinneriyaMahaweli Ganga · PolonnaruwaReleasing68% fullSmall714 cusecs · ≈ 20,000 L/s
Kimbulwana OyaDeduru Oya · KurunegalaSpilling89% fullSmall562 cusecs · ≈ 16,000 L/s
Usgala SiyabalanKurunegalaSpilling100% fullSmall408 cusecs · ≈ 12,000 L/s
ThuruwilaAnuradhapuraSpilling94% fullSmall362 cusecs · ≈ 10,000 L/s
AmbakolawewaKurunegalaSpilling82% fullSmall302 cusecs · ≈ 8,600 L/s
Alikota AraMoneragalaSpilling68% fullSmall259 cusecs · ≈ 7,300 L/s
MediyawaKurunegalaSpilling100% fullSmall250 cusecs · ≈ 7,100 L/s
TabbowaMee Oya · PuttalamSpilling82% fullSmall240 cusecs · ≈ 6,800 L/s
BatalagodaDeduru Oya · KurunegalaSpilling100% fullSmall148 cusecs · ≈ 4,200 L/s
YodawewaHambantotaSpilling100% fullSmall138 cusecs · ≈ 3,900 L/s
DenagamaGalleSpilling100% fullSmall137.78 cusecs · ≈ 3,900 L/s
MagallaKurunegalaSpilling100% fullSmall64 cusecs · ≈ 1,800 L/s
WemedillaKala Oya · MataleSpilling100% fullSmall60 cusecs · ≈ 1,700 L/s
NalandaMahaweli Ganga · MataleSpilling100% fullSmall57 cusecs · ≈ 1,600 L/s
Tissa WewaHambantotaSpilling78% fullSmall55 cusecs · ≈ 1,600 L/s
EllewelaMataraSpilling100% fullSmall46 cusecs · ≈ 1,300 L/s
Thissa WewaAnuradhapuraSpilling100% fullSmall25 cusecs · ≈ 710 L/s
YudhaganawaMoneragalaSpilling100% fullSmall20 cusecs · ≈ 570 L/s
UyanwewaKirama Oya · GalleSpilling100% fullSmall18.02 cusecs · ≈ 510 L/s
Wan ElaTrincomaleeSpilling100% fullSmall10 cusecs · ≈ 280 L/s
DebarawewaHambantotaSpilling92% fullSmall5 cusecs · ≈ 140 L/s
SaddhathissaMoneragalaSpilling100% fullSmall5 cusecs · ≈ 140 L/s
AmbewelaNuwara EliyaSpilling88% full
Kande ElaNuwara EliyaSpilling99% full

Barrages that always pass water (routine, not a warning)

PolgollaMahaweli GangaReleasing95% full2,418 cusecs · ≈ 68,000 L/sSpill window now. Mahaweli water managers expect this reservoir may spill in this window. Not a flood warning. Window: 23 Oct – 5 Nov.

All reservoirs and dams (142)

Figures from the daily Irrigation Department and Mahaweli Authority reports. A blank there shows here as “no data”, never zero.