Backflow testing requirements in Plainfield, 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 Plainfield
Connecticut DPH inventory
Public water systems listing Plainfield
These systems list Plainfieldas 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 - Gallup System
PWS ID CT1090031 · groundwater
2,538 population listed
1,085 service connections
CTWC - Plainfield System
PWS ID CT1090081 · groundwater
1,713 population listed
676 service connections
Moosup Garden Apartments
PWS ID CT1090221 · groundwater
270 population listed
89 service connections
Westview Terrace Mobile Home Park
PWS ID CT1090161 · groundwater
60 population listed
24 service connections
Moosup Pond Terrace, LLC
PWS ID CT1099181 · groundwater
46 population listed
3 service connections
Jumbo Apartments
PWS ID CT1094201 · groundwater
35 population listed
11 service connections
Arnio Drive LLC
PWS ID CT1099141 · groundwater
33 population listed
11 service connections
Moosup Manor
PWS ID CT1099131 · groundwater
27 population listed
1 service connections
1
Non-transient, non-community systems
13
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.