Government
Winter Weather Alert : Some County services will be impacted by inclement weather conditions.
Learn MoreWelcome to the new GwinnettCounty.com : Read about all the exciting enhancements and changes.
Learn MoreBackflow Tester Web Access
Welcome! You can now submit Back Flow Device Test Data Maintenance Reports online! With our online services, you can submit reports, update personal details and view test reports history.
By clicking on 'Login' you are agreeing to the Department of Water Resources Security Policy.
First time users: Registration is simple. All you need to get started is your Back Flow Certification Number.
Click here to download instructions document.
Please email DWRBackflow@GwinnettCounty.com for assistance. Please include your Backflow Certification Number for faster service.