Water testing for everyone.

Our free, open-data platform, water testing kits, and online course are tools for anyone to learn about and protect our lakes, rivers, and oceans.

What can I do?

Helping you and your community...

Test water quality

Use our testkits to test waterways. Then, explore and share water data on our open-data platform.

How to get started

Learn about water

Through our online training and resources, we make it accessible for everyone to understand waterways.

Explore our training resources

Act to protect water

We are researching and designing tools alongside partners to help you make a difference!

Explore our research

Easy, accessible water data

Easily record and analyse water data so you can use the data to learn about problems, share discoveries and engage with their neighbours.

Explore water quality data

Have fun testing the water!

Water Rangers are helping more people deepen their understanding of water issues through affordable water testing. We believe that crowdsourcing water quality data through citizen science is a way to help scientists fill in gaps to achieve sustainable water monitoring.

How to start your own group

Visit the testkit store

Latest news

Read all the news

Groups using our testkits

We support groups (big and small) to using our testkits to learn about their local waterbodies. Here are just a few:

I took a kit along to the Toronto Island SUP, for a day on the lagoon. The kit fits easily on the board and this allows you to take water samples from places other than the shoreline. All the instrument were easy to use even on a moving board.

Elise Mackie, Swim Drink Fish