Laboratories in Islandwide

ISO 17025:2005 Accredited Laboratories

• Central Laboratory            : Water Treatment Chemicals – Alum & Lime
• W/P Ambatale Laboratory  : Water Treatment Chemicals – Alum & Lime
                                           Water - Electrical Conductivity, pH, Turbidity
• Western South Laboratory : Water - pH, Turbidity, Electrical Conductivity, Chloride, Hardness,
                                           Total Alkalinity,Total Iron , Fluoride , Sulphate, Free Ammonia
                                          Microbiology – Total Coliform & E.coli
• Vavuniya Laboratory         : Water - Electrical Conductivity, pH, Turbidity, Chloride, Hardness
• Jaffna Laboratory             : Water - Electrical Conductivity, pH, Turbidity, Chloride, Hardness

Facilities available in NWS&DB laboratories

As Central Environmental Authority registered laboratories, Central laboratory and other Regional Laboratories are providing services for public by analyzing wastewater and also have facility to test other parameters as given bellow.

Laboratory network with contact details (Click Here..) 

Bacteriological, Physical, Organoleptic, Chemical and Toxic Analysis

Bacteriological Analysis

• Total Coliform
• E. coli
• Total Plate Counts

Physical and Organoleptic requirements

• Color                                                 • Odour                                          • Taste
• Turbidity                                            • pH 

Chemical requirements

Toxic substances

• Arsenic                                              • Cadmium                                     • Cyanide
• Lead                                                 • Mercury                                       • Selenium
• Chromium    

Algal toxins

• Microcystins
• Cylindrospermopsin