Hi Anon and thanks for sharing your question with the EmpowHER community.
This discharge may not be "water", even if it's clear. It could be something called Galactorrhea - breast discharge that is usually milky colored but also a clearer discharge.
You can read all about it here: https://www.empowher.com/condition/breast-discharge/definition
Click on the explanations on the left hand side to learn about causes, symptoms, treatments etc. There is generally no connection to cancer but any worries need to be relayed to your doctor.
Hope that helps,