For information on NapaSan's 2020 Rate Study and the rate structure modifications approved on March 31, 2021, please click here Version OptionsRates & FeesHeadline .
Sewer Connection & Service Fees
NapaSan charges a fee for connection to the sewer system, and then charges an annual rate for sewer service. These rates and fees vary depending on the type of sewer service connection you have. Sewer service connections are classified as residential, commercial, or industrial.