
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.
Interconnection Project - get traffic and construction updates for the Kanan/Lindero area. This project will improve water reliability for you!
FREE Water Smart Speaker Series - Fire-smart landscaping, planning your California garden and more. Next class is September 16.
GOING FAST! Fall Planting Kits from TreePeople are only $120 for 10 plants - with a possible $50 instant rebate! Order soon so you can take advantage of the rebate and beautify your earth.
After a long hiatus due to the pandemic, LVMWD and Triunfo Water & Sanitation Districts are thrilled to announce the return of our free JPA Quarterly Wastewater Tour on Saturday, August 26 from 9am-12:30pm. Attendees get an inside look into the essential processes and infrastructure…
Read MoreSALE FOR FALL KITS ENDS SEPTEMBER 30! Kits and instant rebate still available! Beautify your earth – create a Native Garden! Tree People offers several themed, water-friendly kits. Each fall garden kit includes ten one-gallon native plants, a site map so you can easily establish…
Read MoreTriunfo Water & Sanitation District (TWSD) presents a one-hour talk on Saturday, July 15 from 10:00 a.m. to 11:00 a.m. at the Triunfo district offices. Taught by certified Ventura County Master Gardener Julian Hoyle, participants will learn how to replace their lawns with a drought-tolerant…
Read MoreCalleguas Municipal Water District (Calleguas) provides water supplies to local water agencies that serve the communities of North Ranch and Oak Park. Calleguas and Las Virgenes Municipal Water District (LVMWD) each own and operate potable water systems largely dependent on imported water supply. The Calleguas…
Read MoreApply for cash rebates on purchases of approved water conservation appliances and devices like:
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.
Catch up on the latest news from Triunfo Water & Sanitation District.