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/