Attanagalu Oya

Attanagalu Oya
Attanagalu Oya, near Dandugama
Attanagalu Oya is located in Sri Lanka
Attanagalu Oya
Native nameඅත්තනගලු ඔය (Sinhala)
Location
CountrySri Lanka
Physical characteristics
SourceKegalle District
 • locationGalapitamada
2nd sourceIndurana Ela
 • locationIndurana
MouthNegombo Lagoon
 • location
Dandugama
 • coordinates
07°10′N 79°53′E / 7.167°N 79.883°E / 7.167; 79.883
Length76 km (47 mi)
Basin size727 km2 (281 sq mi)
Discharge 
 • average40 m3/s (1,400 cu ft/s)
 • minimum20 m3/s (710 cu ft/s)
 • maximum100 m3/s (3,500 cu ft/s)

The Attanagalu Oya (Sinhala: අත්තනගලු ඹය) is a river in Gampaha District, Sri Lanka.[1][2]

The length of the river is approximately 76 km, with a drainage basin of 727 km2.[1][3][4] It originates in Galapitamada area in Kegalle district and drains into the Negombo Lagoon as the Dandugam Oya.[5][6] The river often causes flooding in low-lying areas in the Gampaha district.

  1. ^ a b Pathirana, C. D. K.; Bandara, N. J. G. J.; Jayaweera, C. D. (2012-12-20). "Investigation of the pollution extent of Attanagalu Oya". Proceedings of International Forestry and Environment Symposium. 17. doi:10.31357/fesympo.v17i0.1054 (inactive 2024-09-19). ISSN 2235-9427.{{cite journal}}: CS1 maint: DOI inactive as of September 2024 (link)
  2. ^ "preliminary_study_on_pethia_reval_meegaskumbura_Pethiyagoda_2008_and_other_related_ichthyofauna_of_Attanagalu_oya_river_basin_Sri_Lanka".
  3. ^ "International Forestry and Environment Symposium".
  4. ^ Wijesekera, Sohan; Perera, L (2016-05-02). "Key Issues of Data and Data Checking for Hydrological Analyses - Case Study of Rainfall Data in the Attanagalu Oya Basin of Sri Lanka". Engineer: Journal of the Institution of Engineers, Sri Lanka. 45 (2): 1. doi:10.4038/engineer.v45i2.6936.
  5. ^ Cite error: The named reference :1 was invoked but never defined (see the help page).
  6. ^ "Template for Submission of Scientific Information to Describe Areas Meeting Scientific Criteria for Ecologically or Biologically Significant Marine Areas" (PDF).