Triunfo Water & Sanitation District

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.

What's the Latest

Interconnection Project - get traffic and construction updates for the Kanan/Lindero area. This project will improve water reliability for you!

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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.

ORDER TODAY

Urban Water Management Plan

Triunfo's Urban Water Management Plan provides details on the District's sources of supply, water use history and targets, and drought response measures.

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An innovative solution to regulatory challenges that will help ensure a reliable long-term local water supply.

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FACILITY TOURS

Customer Assistance

Eligible water customers can receive a $15 discount on their monthly water bill.

POTABLE WATER

Wastewater customers can receive a $180 discount on their annual wastewater service. Open to eligible property owners. Deadline is May 1, 2024.

WASTEWATER

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Water News

Stay in the loop with news, events, conservation tips and more!

Triunfo News

Las Virgenes-Triunfo Joint Powers Authority (JPA) Pure Water Project

JPA Wastewater Facility Tour – Aug 26 – Sign up today

August 14, 2023

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…

Tree People California Native Plant Kit 2023. Photo: Adam Corey Thomas

Get Ready for Fall with California Native Garden Kits

June 21, 2023

SALE 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…

Summer Speaker Series Kicks off July 15

June 12, 2023

Triunfo 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…

Calleguas-Las Virgenes Interconnection

May 2, 2023

Calleguas 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…

SAVE WATER, SAVE MONEY!

Apply for cash rebates on purchases of approved water conservation appliances and devices like:

- Toilets
- Washers
- Irrigation Controllers
- Soil Sensors
- Rain Barrels and more!

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Become a pro at water conservation with our

AUTOMATED METER SYSTEM

- Our Automated Meter System shows your water use in present time.

- Gives you full data and analytics to track and analyze your water usage.

- Set up notification limits on your water usage.

- Be notified if you might have a leak.

My Water Account

Bill Pay

Triunfo Water & Sanitation District offers you a variety of convenient ways to pay your water bill by mail, phone, or online.

PAY NOW

Water Usage

Manage your water usage with up-to-date information on consumption history by month, day, or hour.

CUSTOMER PORTAL

Water Rates

Fees for potable and recycled water include a monthly service charge (based on meter size) and quantity rates.

POTABLE RATES

RECYCLED RATES

Be Water Wise!

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!

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