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BSI In Action!

Click below to watch our 2 minute video summary!

Northern Illinois Backflow Says

  • “The website is very user friendly and helps eliminate any typing mistakes.”

  • “It is helpful to enter multiple test reports for various sites and separate the receipt by addresses.”

  • The format is incredibly superior to competitor websites.

  • “The search function is easy to navigate when locating devices or serial numbers.”

  • “The customer service is excellent.  The staff is friendly, courteous, and polite.”

We are growing!

We have recently added over 76,000 new backflow devices to the BSI Online program, we assist and manage programs of all sizes!

Keeping Our Water Systems Safe

We track 1,000,000 + assemblies, see why our clients love BSI Online year round:

Do you need help organizing your data?

BSI Online’s cloud based backflow data management program provides information at your fingertips with custom reporting. Unlimited users can query any piece of data they need to manage their backflow program.

Trail mix poolside recipe


  • 2½ cups of sliced almonds 

  • ¼ cup honey

  • ¼ teaspoon almond extract 

  • 1¼ cup of dried cherries or cranberries

  • 1 cup finely chopped mixed nuts 

  • ⅔ cup of M&M minis


  • Place the ground almonds in a blender or food processor until finely ground 

  • While processing gradually add honey and almond extract

  • Move the mixture into a large bowl

  • Stir in cherries, mixed nuts and candies

  • Shape each into an 8-in. long roll

  • Wrap tightly in plastic; freeze 1 hour or until firm 

  • Unwrap and cut rolls into 1/2-in. slices. Store between pieces of waxed paper in airtight containers.