Water Treatment. Warm-up. Update Table of Contents Write your homework Get your Vocab Day 3 out to be checked Make a prediction for our Coliform test…do you think it will be positive or negative and why?. Coliform Results. If our water is polluted….
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out before we can use it?
But what happens when your city doesn’t have a proper sewage system?
The dirty water that runs down our drains & sewers that must be cleaned before it can go into lakes, rivers, etc. or be reused.
What would you change to make it better?