Triunfo 

Sanitation               

District

1001 Partridge Drive, Suite 150, Ventura, California 93003-0704

805-658-4605

Oak Park Water Service is owned and managed by the Triunfo Sanitation District.

For questions about billing or customer service, call
(800) 613-0901

Or click here to e-mail staff: OPWater@vrsd.com

After-hours Emergencies: 805-389-9406 or 805-496-3174 or 805-485-0528

Click here to watch a video on Oak Park Water Service, courtesy of www.oakparknow.com.

Information on Oak Canyon Reservoir Construction Project
For up-to-date information on this water system improvement project, click here.

Water Service Update
To read the latest information included with your water bill, click here.

Oak Park Water Service Water Conservation Program
For information on the Water Conservation Rebate Program, click here.
For a list of water conservation measures currently in place in Oak Park, click here.
For information on water shortage planning, follow this link: Water Shortage Contingency Plan
For answers to frequently asked questions regarding water conservation in Oak Park, click here.

Oak Park Water Service Annual Water Quality Report
The 2010 Water Quality Report is available here. Click this link to download: OPWS-2010_Water_Quality_Report

Urban Water Management Plan
As an urban water supplier providing water more than 3,000 customers or supplying more than 3,000 acre feet of water to customers for municipal purposes, Oak Park Water Service (OPWS) is required by the state water code to prepare and adopt an Urban Water Management Plan (UWMP). This plan is updated every five years (in years ending in ‘0’ and ‘5’) in accordance with the UWMP Act (California Water Code Sec. 10610).

To read or download a copy of our 2010 Urban Water Management Plan, click here.

The entire document is also on file at the Oak Park Library.

Other OPWS Links

To learn about the Oak Park Water Service Third Party Billing Program, click here

To read about and download an application for our EZPay automatic payment program, click here

To learn how you can be Water Wise, click here

Water Systems Operations
Water system operations include checking equipment for proper operation, monitoring water quality and responding to customer concerns and inquiries. SCADA (Supervisory Control And Data Acquisition) Systems assist operators with the day-to-day operation of the water system along with providing valuable information. OPWS operations staff use SCADA systems along with other sophisticated equipment to help monitor and maintain water systems. OPWS Water System Services include: