Figure 1: Grey Heron (Ardea cinerea) (Photo credit: Claire Low)

Have you ever wondered, what makes water drinkable?

On 12 September 2023, Prof Gretchen brought a handful of GE3255 (Aquatic, Riparian and Coastal Systems) students to Bishan Ang Mo Kio park, which is one of the largest parks in Singapore spanning 62 hectares. I was particularly interested in evaluating the water quality in this restored river and would like to share my sampling journey with you.

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