Capacity Charges

The Capacity Charge (sometimes called a connection fee) is the fee that the NapaSan charges when a new home or commercial tenant connects to the sewer system, or expands its impact on the system.

  1. Commercial & Industrial
  2. Residential

Calculating Capacity Charges

On July 1, 2019 the capacity charge per EDU will increase from $9,520 to $9,803.  This rate will be in effect until June 30, 2020.  

See Title 5 (PDF) of the NapaSan Code for the formula used to calculate capacity charges for commercial and industrial customers.