MWSS Regulatory Office
Katipunan Avenue, corner H. Ventura Street, Barangay Pansol, Balara, Quezon City 1105
(02) 8926-9284
mwssregulatoryoffice@ro.mwss.gov.ph
Office of the Chief Regulator
Public information Department
Technical Regulation Area
Financial Regulation Area
Customer Service Regulation Area
Administration and Legal Affairs
Administration Department
Legal Affairs
Freedom of Information