Office Address:6th Flr. DENR by the Bay Bldg., 1515 Roxas Blvd., Ermita, Manila
Telephone Number:RD’s Office Telefax No. 536-9784;
Admin/Finance Division Telefax No. 404-1610
Planning Division Telefax 522.4534
Pollution Control Division 525-0348/404-3974;
EIAM Division Telefax No. 522-8177
E-mail Address:calabarzon@emb.gov.ph; emb_calabarzon@yahoo.com
Website:https://calabarzon.emb.gov.ph/

Office Address:DENR Compound, Visayas Avenue, Diliman, Quezon City
Telephone Number:920-22-32
E-mail Address:mail@emb.gov.ph
Website:https://emb.gov.ph/

Office Address:3/F Andenson Bldg. 1, National Highway, Brgy. Parian, City of Calamba, Laguna 4027, Manila S Rd, Calamba, 4027 Laguna
Telephone Number:(049) 827 4755
E-mail Address:dilg4a.calabarzon@gmail.com
Website:http://www.calabarzon.dilg.gov.ph/

Office Address:3rd and 4th Floors Andenson Building II, Parian, Calamba City, Laguna 4027, Philippines
Telephone Number:(049) 545-7360 
Fax Number:(049) 545-7357
E-mail Address:ro4a@dole.gov.ph / dole4a_observe@yahoo.com
Website:http://calabarzon.dole.gov.ph/

Office Address:National Ecology Center, East Avenue, Diliman, Quezon City, Metro Manila
Telephone Number:332-2346/2353/2341
376-4061/4039/0472/4044/5430
Website:http://www.llda.gov.ph/

Office Address:LWUA Building, LWUA-MWSS Complex,
Katipunan Avenue, Balara, Quezon City, Philippines
Telephone Number:(02) 920 5581
Website:http://lwua.gov.ph/

Office Address:Katipunan Road, Balara, Diliman, Quezon City 1100, Philippines
Telephone Number:922-2969
Fax Number:921-2887
E-mail Address:info@mwss.gov.ph
Website:http://mwss.gov.ph/

Office Address:Pioneer St, Mandaluyong, Metro Manila, Philippines
Telephone Number:(02) 747 3974
Email:info@pcapi.com.ph
Website:http://www.pcapi.com.ph/