Dirty Filters — Blue Ribbon Water Sign In My Account Home Dirty Filters Our Systems Water Data SCHEDULING Back Reverse Osmosis and Under-Sink Filters Whole-House Water Softeners Well Water Solutions How Our Filters Work Back pfas-test-results-ma Back Schedule a call Schedule Filter Change Sign In My Account HomeDirty Filters Our Systems Reverse Osmosis and Under-Sink Filters Whole-House Water Softeners Well Water Solutions How Our Filters Work Water Data pfas-test-results-ma SCHEDULING Schedule a call Schedule Filter Change Tap Water You Can Trust Municipal Water - Dirty Filters. These filters show just how dirty our municipal water can be. This is typical after 6-9 months in service.