Backflow testing requirements in Greenwich, Connecticut
Start with the verified utility guides and state water-system records below. The responsible utility—not the town name alone—sets the property's accepted form, testing schedule, and submission route.
Best available local guidance
Utility guides associated with Greenwich
Connecticut DPH inventory
Public water systems listing Greenwich
These systems list Greenwichas their principal municipality in the active DPH inventory. This is a discovery aid, not proof that a particular address is inside a system's service boundary.
Aquarion-Greenwich
PWS ID CT0570011 · surface water
53,297 population listed
16,972 service connections
Brunswick School (Lower & Lower Middle)
PWS ID CT0579143 · groundwater
567 population listed
12 service connections
10
Non-transient, non-community systems
15
Transient non-community systems
How to verify an address
Use the source trail before relying on a filing route
- 1
Identify the water provider from the property’s water bill, DPH inventory, or the state Exclusive Service Area map.
- 2
Open the utility guide when available and check its review date, testing cadence, accepted form, and submission method.
- 3
Confirm property-specific requirements with the utility before the appointment; hazards, device type, and deadlines can differ.
For testing companies
Keep every customer, assembly, and due date in one place.
Import your existing customer book and keep utility guidance attached to the work.