MWSS Regulatory Office

3rd Floor, Engineering Building, MWSS Complex

Katipunan Road, Balara, Diliman, Quezon City 1105

  (02) 8926-9352

mwssregulatoryoffice@ro.mwss.gov.ph

ro.mwss.gov.ph

facebook.com/MWSS.RO

@mwss.ro


Office of the Chief Regulator

ocr@ro.mwss.gov.ph

  Trunkline: (02) 3435-8900

   Direct Line: (02) 8926-9352

Public information Department

pid@ro.mwss.gov.ph


Technical Regulation Area 

tra@ro.mwss.gov.ph

  Trunkline: (02) 3435-8904

  Direct Line: (02) 8925-6617


Financial Regulation Area 

fra@ro.mwss.gov.ph

  Trunkline: (02) 3435-8901

   Direct Line: (02) 3426-3226


Customer Service Regulation Area 

csr@ro.mwss.gov.ph

Trunkline: (02) 3435-8903

   Direct Line: (02) 8925-6619


Administration and Legal Affairs

admin.dept@ro.mwss.gov.ph

  Trunkline: (02) 3435-8898 to 99

Direct Line: (02) 3435-8902

Administration Department

admin.dept@ro.mwss.gov.ph

Legal Affairs

legal.dept@ro.mwss.gov.ph