Contact Us

Napa Sanitation District

1515 Soscol Ferry Road 
Napa, California 94558 

Phone: 707.258.6000
Fax: 707.258.6048
Email: info@napasan.com

Administration Office Hours:
Monday through Friday, 8:00 a.m. to 4:30 p.m.

Treatment Plant Hours:
Monday through Friday, 7:30 a.m. to 4:00 p.m.  

Employee Directory

Check our Employee Directory to find phone numbers and email addresses for District staff. 

Directions to:

1515 Soscol Ferry Road
Napa, California 94558

From Northbound 29:
Left on Soscol Ferry Road. 
Follow sign to District offices/treatment plant  on left-hand side before underpass.

From Southbound 29:
Right on Soscol Ferry Road.
Follow sign to District offices/treatment plant  on left-hand side before underpass.

For directions from your location, go to Google Maps.