UWSSP Design Guidelines Version 4.0
Design Guidelines for Urban Water Supply and Sanitation (Sector) Project Published By: DWSSM (2021)
NDWSQS 2071
The latest National Dirinking Water Quality Standards published by DWSSM
Treated Effluent Standard 2080
Latest standards of the treated wastewater effluent by DWSSM.
Drinking Water Guidelines 4th Edition
Published by WHO
Drinking Water Guidelines: Small Water Supplies
Published by: WHO
Drinking Water Regulation
Published by: EPA