
We provide sewage collection and treatment services, supply potable water, and treat and sell recycled water. We serve more than 30,000 people in east Ventura County, including Oak Park, Lake Sherwood, Bell Canyon, and the Westlake Village and North Ranch portions of Thousand Oaks.
Three incumbent Triunfo Water & Sanitation District (TWSD) Board members were sworn in at the district’s November 28 board meeting to serve new four-year terms. Returning board members are Jane Nye, Janna Orkney, and Ray Tjulander. All three board members were scheduled for re-election in…
Read MoreThe Triunfo Water & Sanitation District (TWSD) recently moved its administrative and customer service offices to Westlake Village. The move coincides with TWSD’s official transition into an independent water agency. Its new location is at 370 North Westlake Blvd., Suite 100 in Westlake Village. Previously,…
Read MoreAt its September 19 meeting, the Triunfo Water & Sanitation District (TWSD) board of directors approved reducing the amount of once-a-week sprinkler irrigation time per water station from 15 to 10 minutes. The reduction in watering time takes effect on October 1. TWSD gets its…
Read MoreApply for cash rebates on purchases of approved water conservation appliances and devices like:
Triunfo Water & Sanitation District offers you a variety of convenient ways to pay your water bill by mail, phone, or online.
Manage your water usage with up-to-date information on consumption history by month, day, or hour.
Fees for potable and recycled water include a monthly service charge (based on meter size) and quantity rates.
Triunfo Water & Sanitation District is committed to the wise use of water. This includes promoting conservation among our customers through usage guidelines, valuable incentives, and public education. Find out how you can help support your community by conserving water!
Triunfo Water & Sanitation District is committed to the wise use of water. This includes promoting conservation among our customers through usage guidelines, valuable incentives, and public education. Find out how you can help support your community by conserving water!
Access current and archived Board meeting agenda packets.
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