How is the rate I pay for the Storm Water Management Fee calculated?
A basic premise of the Storm Water Management Service is that all property owners receive some benefit, and all property owners are required to participate in the cost of the service. For each residential property on which there are at least one but no more than four dwelling units, each unit is charged the same rate. The rate is referred to as the Equivalent Residential Unit (ERU). The rate for each ERU is .171 cents per day, or $62.42 per year. This is the rate paid by 93.4% of all Storm Water Management Service customers. The rate for all other developed properties (multifamily and non-residential) is determined by: • Calculating the impervious areas (those areas with hard surfaces such as buildings, parking lots and sidewalks) on the site. • Dividing that amount by the average amount of impervious area on all residential properties. The calculation provides the number of ERUs each of those properties will be billed. The multi-family and non-residential properties, which include apa
