Backflow testing requirements in Guilford, 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 Guilford
Connecticut DPH inventory
Public water systems listing Guilford
These systems list Guilfordas 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.
CTWC - Shoreline Region-Guilford System
PWS ID CT0608011 · surface water
33,975 population listed
14,757 service connections
Quonnipaug Hills - Main System
PWS ID CT0600041 · groundwater
564 population listed
188 service connections
Quonnipaug Hills - Section I
PWS ID CT0606011 · groundwater
27 population listed
9 service connections
4
Non-transient, non-community systems
7
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.