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Dossier #1969 · GRanD 5047

Parakrama Samudra

🇱🇰Sri Lanka · Amban Ganga River · near Polonnaruwa

Built 386 · Dam · data quality: Verified

Reservoir outline · simplified

Specifications

Height
15 m
Crest length
13,582 m
Reservoir capacity
127.3 MCM
Reservoir area
23.2 km²
Average depth
5.5 m
Catchment
1,535 km²
Avg discharge
35,675 L/s
Elevation
58 masl
Degree of regulation
11.3 %

Notes

Ancient reservoir system; first section was built 386 A.D., second and third sections around 1180

Built 386

External reference →

Provenance

Record 1969 of the Global Dam Watch v1.0 database (CC BY 4.0), original source: GRanD, year via GRanD. Coordinates are river-snapped: 7.8954, 80.9880.