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TWSD Board Vacancy – Notice & Application – June-July 2026

On August 15, the TWSD board convened to interview, select and appoint a community member to fill the board vacancy left by Ray Tjulander.

Questions? Contact the District office at (805) 658-4602.

About TWSD: Triunfo Water & Sanitation District serves more than 30,000 residents in a portion of southeastern Ventura County, including Bell Canyon, Lake Sherwood, Oak Park, and the Westlake Village and North Ranch portions of Thousand Oaks. Services include wastewater collection and treatment, potable water service to Oak Park, and recycled water service in selected areas. Wastewater treatment is provided in partnership with Las Virgenes Municipal Water District through the Joint Powers Authority (JPA).

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Recent News

TWSD Board Vacancy – Notice & Application – June-July 2026
June 10, 2026
On August 15, the TWSD board convened to interview, select and appoint a community member to fill the board vacancy left by Ray Tjulander. Questions?...
Board Member Ray Tjulander Steps Down After 9 Years
June 10, 2026

After nine years as a member of the Triunfo Water and Sanitation District Board, Ray Tjulander announced he is stepping down effective June 25, 2026.

Reminder to Water Customers: Create your New Customer Bill Pay Portal Account
February 25, 2026
LATE FEE NOTICE: Your account may have been charged a late fee in February. We observed an unusually high number of late fees in February....
Triunfo Water & Sanitation District 2025 Year in Review
February 5, 2026
Message from the Board Chair As we close out another year at Triunfo Water & Sanitation District, I want to take a moment to reflect...