Public Tours / Tours Públicos

2026 Public Tours

Registration is required for all tours: To sign up, please click the "Register Here" link for your selected tour. 

The tours have limited capacity and space is available on a first-come, first-served basis.

To register:

  1. Choose one of the tour dates and times below
  2. Fill out one registration form for each participant

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Sanitation Public Tours

Explore one of Sonoma Water’s wastewater treatment facilities, including the lab monitoring millions of live protozoa and microorganisms essential for cleaning and recycling wastewater.

  • May 2nd  (10:00 a.m. – 11:30 a.m.) Russian River County Sanitation District

  • May 16th (10:00 a.m. – 11:30 a.m.)  Sonoma Valley County Sanitation District

Water Distribution Public Tours

Do you know where your water comes from? Join us and visit facilities that divert, pump and treat the water delivered by Sonoma Water to more than 600,000 residents in portions of Sonoma and Marin counties. 

  • April 11th (9:00 a.m. – 11:30 a.m.) 

  • November 7th (9:00 a.m. – 11:30 a.m.) 

Lake Sonoma Partnership Tours

Want to learn more about Lake Sonoma? Join us and explore the Warm Springs Recreation Area, see water supply infrastructure, the  Warm Springs fish ladder, and the steelhead hatchery. There are two scheduled tour opportunities, Monday and Saturday.  Call the Lake Sonoma Visitor Center if you have questions at (707) 431-4533.

Tour Options

1) Weekly Monday Public Tours

Time: 10:30–11:15 AM 

Meet at: Lake Sonoma Visitor Center

(Registration not required)

2) Saturday Tours 

Time: 10:30–11:15 AM 

Scheduled dates in 2026

  • January 17
  • February 21
  • March 21
  • April 18