Who supplies my water · CT

Where Derby's tap water comes from

EPA records tie Derby to 2 water systems. Your water bill names the one that serves your address.

New Haven County · Population 12,915

Water systems for Derby

Regional Water Authority
PWSID CT0930011 · Purity Score 57/100 (Fair) · Confidence: moderate · Assessed at the water-system level
Regional Water Authority lists Derby as a city it serves, and about 88% of Derby's homes are inside its service area (EPA service-area map).
Full water report for Regional Water Authority
Aquarion-East Derby
PWSID CT0378011
Aquarion-East Derby lists Derby as a city it serves, and about 12% of Derby's homes are inside its service area (EPA service-area data).

System-level records from EPA. Not a test of your tap.

A ZIP code is a postal area, not a water service area. Your water bill names your supplier.

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Follow Derby's water

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