MNRET - Ministry of Natural Resources, Environment & Tourism, Palau
Data on Drinking Water Quality in the Pacific Island Countries including Palau
NEPC - National Environment Protection Council, Palau
Palau Environmental Quality Protection Board (EQPB) Marine and Freshwater Quality Regulations, newly revised and adopted in 2020.
Secretariat of the Pacific Regional Environment Programme
UNEP Regional Seas Ports and Studies No. 136.
SPREP Reports and Studies No. 49.
UNEP 1991