
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.
Calleguas Interconnection Project
Get traffic and construction updates for the Kanan/Lindero area. This project will improve water safety and reliability for you!
FREE Community Compost!
Our JPA Rancho Composting Facility offers free compost for pickup Mon-Sat, 8am-1pm. This nutrient-rich soil amendment is great for landscaping. Bring containers and shovels!
PLEASE NOTE: CUSTOMER SERVICE CLOSED FOR LUNCH
Effective December 1, 2023, the Triunfo customer service office will be closed from 12:00pm-1:30pm, Monday-Friday for lunch.
Emergency line available 24/7: (805) 389-9406
The Triunfo Water & Sanitation District’s Water Smart Summer classes have come to a successful conclusion, with participants gaining valuable insights into water conservation and responsible usage. These engaging and informative classes were a significant step toward promoting water-smart practices in our community. As we…
Read MoreEffective December 1, 2023: Triunfo Water & Sanitation District’s Customer Service Office will be CLOSED FOR LUNCH, Monday-Friday. NEW CUSTOMER SERVICE HOURS OPEN Monday-Friday: 8:00am-12:00pm 1:30pm-5:00pm CLOSED for lunch: 12:00pm-1:30pm Location: 370 N. Westlake Blvd., Ste. 100 Westlake Village, CA 91362 Directions PHONE NUMBERS Water…
Read MoreOnly a few kits with instant rebate still available! Beautify your earth – create a Native Garden! Tree People offers several themed, water-friendly kits. Each spring garden kit includes ten one-gallon native plants, a site map so you can easily establish your 100 square foot…
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 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.