What is impervious surface area and how is it determined?
An impervious surface is any hard surface that does not absorb water and impedes the natural flow of water into the soil. The City measures impervious area using aerial photography data.

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1. What is a stormwater utility fee?
2. What does the stormwater program do?
3. What are the City's goals for the stormwater program?
4. I rent the house that I live in so why will I be charged?
5. What is stormwater runoff?
6. What is water pollution?
7. What is the advantage of charging a stormwater fee rather than a tax?
8. Will the City fee be influenced by the amount of rain?
9. What is the purpose of storm drains?
10. What's the difference between a storm drain and a sanitary sewer drain?
11. How will the rate on my bill be established?
12. Can you give me an ERU charge example?
13. What is impervious surface area and how is it determined?