Backflow testing requirements in Colchester, 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 Colchester
Connecticut DPH inventory
Public water systems listing Colchester
These systems list Colchesteras 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.
Colchester Sewer & Water Commission
PWS ID CT0280011 · groundwater
4,020 population listed
2,100 service connections
Colchester Estates
PWS ID CT0280041 · groundwater
276 population listed
92 service connections
CTWC - Westchester Village
PWS ID CT0282001 · groundwater
252 population listed
98 service connections
Westchester Hills Condominium Assn.
PWS ID CT0280031 · groundwater
225 population listed
56 service connections
Colchester Commons
PWS ID CT0286011 · groundwater
224 population listed
96 service connections
Knob Hill Condominiums
PWS ID CT0280051 · groundwater
84 population listed
28 service connections
CTWC - Ponemah Village
PWS ID CT0280071 · groundwater
60 population listed
31 service connections
2
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.