TRAVEL NOTICE: HWY 217 between Hollister Ave and Sandspit Rd will be closed overnight (10 PM–6 AM) from 7/16–7/17 and 7/19–7/24. Please use HWY 101/Fairview Ave exits or an alternate route. Project info. 

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Backwater Valve Maintenance

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Backwater valves protect your property from costly and unpleasant damage by preventing sewage from re-entering your home. To ensure your backwater valves continue to function properly, it is important to check and maintain your backwater valve every 6 months. Learn to maintain your backwater valve with the help of our video.