What is blue-green algae and is it a problem in El Dorado Lake?

Algae taste and odor are usually not a problem in El Dorado for two reasons. First, we have very clean, good quality source water in El Dorado Lake with low nutrient levels. Excessive nutrients lead to algae blooms. Second, to combat any possible unpleasant tastes and odors associated with algal blooms we have multiple barriers in place to absorb and remove these unwelcome qualities continuously to produce the best tasting water possible.

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1. How does the city treat our drinking water?
2. Where does the city get its water?
3. What is blue-green algae and is it a problem in El Dorado Lake?
4. What is the quality of our drinking water?
5. How do I figure out my water, sewer, trash bill, how much water did I use?
6. How do I identify a city employee?
7. Why is there a chlorine smell in my water?
8. Is my water fluoridated?
9. Why did I receive a backflow prevention letter?
10. How do I report a leak or sewer backup?