You can use the CDA water supply complaint number, you can get in touch with the following individuals: The phone number for the deputy director of distribution for the Model Villages, H & I Series E, F, and G Series Dy. Director Distribution North: 051-9205528. CDA water bill contact number: Call 051-920-2975 for the director of sanitation, and 051-9202-207 for the director of water supply.