Chesterfield County’s state-certified water quality laboratory tests the water from tap water samples collected throughout the county daily. The Addison-Evans Water Production and Laboratory Facility performs an average of 58,000 tests per year. Our consistent, high-quality water meets or exceeds all applicable federal, state and county requirements. We publish an annual Water Quality Report (PDF) that is updated in May. For assistance in Spanish, call 804-748-1291.