What are ERU's (Equivilent Residential Units) and how are they calculated?

The ERU number is calculated by taking the statistical average of impervious surface area of single-family residential units in the Town. Hence, one ERU is equal to 5,459 square feet of impervious area. In order to determine how many ERU's are assigned to a property, that property's impervious area (In square feet) is divided by 5,459 and rounded to the next highest whole number.

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1. What is the Stormwater Utility Fee?
2. What is the Stormwater Fee used for?
3. What is impervious surface?
4. What is stormwater?
5. Why does stormwater matter?
6. How is the Stormwater Fee determined?
7. What are ERU's (Equivilent Residential Units) and how are they calculated?