Values of our waterways

Western Australian waterways have many ecological, cultural, social and economic values.

Last updated: 14 August 2023

Find out more about each of the topics below.

Our waterways have intrinsic ecological value and important social and economic benefits.

Western Australia’s high value waterways

Our high value waterways are protected for their biodiversity, ecosystem values and natural beauty.

Aquatic habitats have a major influence on the health of waterways.

Aquatic and riparian vegetation is important to keeping waterways healthy.

Macroinvertebrates play a critical role in aquatic ecosystems.

Fish and crayfish are good indicators for assessing waterway health.

Seagrasses found in Western Australia are the most diverse of any region in the world.

Macroalgae are important in aquatic ecosystems as a food source and habitat to invertebrates, fish and birds.