BACKFLOW BASE

Backflow Base / Every state / Illinois / Chicago

Backflow testing software for Chicago, Illinois.

For testing companies working Chicago's 2,721,308 people: booking, routes, the field test, and the report to the water system.

Water systems based in Chicago

Plus 14 smaller systems based here. Households near Chicago may be served by another system; Backflow Base matches each address to its own. All 1,709 in Illinois →

Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.

Other Illinois cities

The software

Contact

hello@backflowbase.com