Lesson 5: Smolts & Water Quality

Salmon can travel hundreds of miles to get to the ocean. Throughout this journey, they rely on cold, clean, clear water — which we can measure! Learn how the Greenway Education Program measures the temperature, dissolved oxygen, pH, phosphate, and turbidity of water. Then use Google Maps to find a stream near your home and follow it to the Puget Sound, looking for potential sources of source and non-point source pollution along the way.

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