# Backflow Testing in Thousand Oaks, CA > Certified backflow testing in Thousand Oaks, CA. How the City, Cal Am, Cal Water and Camrosa backflow programs work, and how we file your report. Source: https://www.exoduswater.com/backflow-testing/thousand-oaks Backflow testing · Ventura County # Backflow Testing in Thousand Oaks, California Certified annual backflow testing from a Thousand Oaks team. We test RP, double check and vacuum breaker assemblies and file the report with your water supplier. [Schedule a test](https://www.exoduswater.com/contact-us?service=backflow) [(805) 991-7333](tel:+18059917333) Who runs your program ## Water suppliers and backflow programs in Thousand Oaks Your annual notice comes from the water supplier on your bill. Each one runs its own program, so here is how it works with yours. ### City of Thousand Oaks The City lists four water providers in Thousand Oaks. For City water customers, the City fee schedule shows no charge when the annual backflow report is filed on time, and a $360 charge when it is delinquent. Backflow questions go to backflow@toaks.gov. Source: [City of Thousand Oaks, Water Providers](https://toaks.gov/waterproviders) ### California American Water Cal Am requires backflow assemblies to be tested every year, whether or not the property is occupied, and service can be disconnected after repeated requests go unanswered. Source: [California American Water, Cross-Connection and Backflow Prevention](https://amwater.com/caaw/water-quality-wastewater-information/cross-connection-backflow-prevention) ### California Water Service (Westlake District) Cal Water requires an annual test by a certified tester and an annual inspection of air gaps. Testers on its resource list attend an annual Cal Water tester meeting, sign a tester agreement and submit results through Cal Water’s mobile app. Source: [Cal Water, Cross-Connection Control](https://www.calwater.com/waterquality/cross-connection-control/) ### Camrosa Water District Camrosa serves part of Thousand Oaks. It mails annual reminder notices, requires an approved certified tester, and testers submit results through its online cross-connection portal. Source: [Camrosa Water District, FAQs](https://www.camrosa.com/customer-service-2/faqs-2/) ## Certified backflow testing for Thousand Oaks Exodus Water Services is based in Thousand Oaks. Certified Backflow Prevention Assembly Testers test reduced pressure (RP), double check, pressure vacuum breaker and spill-resistant vacuum breaker assemblies, and inspect air gaps, for homeowners, property managers, businesses and HOAs in Thousand Oaks. We file the report the way your supplier requires, send you a copy, and when an assembly fails we coordinate the repair and retest it. In programs run on [Exodus Water Compliance](https://www.exoduswater.com/exodus-water-compliance) , reports are filed by scanning the QR code on the notice. Backflow guides - [Backflow testing in California: property owner guide ](https://www.exoduswater.com/post/backflow-testing-california-property-owner-guide) - [Backflow test cost in California ](https://www.exoduswater.com/post/backflow-test-cost-california) - [Types of backflow preventers ](https://www.exoduswater.com/post/types-of-backflow-preventers) - [What happens if a backflow test fails ](https://www.exoduswater.com/post/what-happens-if-a-backflow-test-fails-california) The process ## How backflow testing works with us 1. Send us your notice or call 2. We confirm your supplier and due date 3. A certified tester tests each assembly 4. We file the report with your supplier 5. Failed assemblies: repair coordinated and retested FAQ ## Backflow testing questions in Thousand Oaks Nearby cities - [Backflow testing in Newbury Park ](https://www.exoduswater.com/backflow-testing/newbury-park) - [Backflow testing in Simi Valley ](https://www.exoduswater.com/backflow-testing/simi-valley) - [Backflow testing in Moorpark ](https://www.exoduswater.com/backflow-testing/moorpark) - [Backflow testing in Camarillo ](https://www.exoduswater.com/backflow-testing/camarillo) - [Backflow testing in Westlake Village ](https://www.exoduswater.com/backflow-testing/westlake-village) - [All backflow testing ](https://www.exoduswater.com/backflow) ### Who requires backflow testing in Thousand Oaks? Your water supplier. Four providers serve Thousand Oaks: the City of Thousand Oaks, California American Water, California Water Service and Camrosa Water District. The one on your water bill sends the annual notice and sets how the test report is filed. ### How often do backflow assemblies need to be tested? At least once a year, and again after installation or repair, by a certified Backflow Prevention Assembly Tester, under the State Water Board Cross-Connection Control Policy Handbook (section 3.3.3). Your water supplier mails the notice with the due date. ### What happens if my assembly fails? A failed assembly must be repaired or replaced and retested, generally within 30 days of the failure under the handbook (section 3.3.3), unless your supplier allows more time. We report the failure, coordinate the repair with a licensed contractor and retest the assembly. ### How much does a backflow test cost? It depends on the type and size of each assembly, how many you have, access, and any filing fee your supplier charges. Send us your notice and we will quote before scheduling. ### Which water supplier serves my Thousand Oaks address? Check the name on your water bill. The City of Thousand Oaks lists four providers in the city: the City itself, California American Water, California Water Service and Camrosa Water District, each with its own backflow program. ## Schedule your backflow test in Thousand Oaks Send us your notice or your last test report. We will schedule the test, file the report and keep your records current. [Schedule a test](https://www.exoduswater.com/contact-us?service=backflow) [(805) 991-7333](tel:+18059917333)