1Matara
Colombo Ratnapura
HambantotaGalle
Matale
Kandy
Kurunegala
Puttalam
Gampaha
Kegalle
Monaragala
Anuradhapura
Polonnaruwa
Kalutara
Ampara
Badulla
Vavuniya
District Rural Water Supply Units – Sri Lanka
Trincomalee
Mannar
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