Connecticut requirements library

Backflow testing rules depend on the water utility—not just the town.

Use this library to identify the likely program, testing cadence, and official contact for a Connecticut property. Every published page includes a verification date and links back to utility or state sources.

Only source-backed pages are publishedQuarterly review cycleAll 169 municipalities indexed

Towns can have more than one water provider. We show every verified utility that may serve the selected town.

Verified utility guides

1 utility serving Ellington

Verified Jul 23, 2026

Connecticut Water

Connecticut Water operates a cross-connection inspection and testing program in its service areas, including residential irrigation and other potential cross connections.

Service area: Connecticut Water service areas across 60 Connecticut towns

View requirements

Statewide starting point

Connecticut DPH cross-connection guidance

Connecticut’s Department of Public Health sets the statewide cross-connection framework. Water utilities administer property-level inspections, testing, forms, and reporting, so always confirm the current local route.

Open CT DPH guidance

For testing companies

Turn every due date into a booked re-test.

Import your customer book, track assemblies, capture field tests, and keep district instructions attached to the property.

Start free