Watercolour of a small house at dusk, with the water meter cover in the sidewalk out front.

Is there lead in Wilton's tap water?

NO LEADfound in Aquarion-Eastern Fairfield County's water at the latest test, in 2026

Too little lead to measure

Water companies that supply Wilton

3 public water companies list Wilton as a place they supply. The biggest is Aquarion-Eastern Fairfield County, with about 351,756 people. None of the 3 with results was above 15 at its latest test. 3 found too little lead to measure.

Aquarion-Eastern Fairfield Countyabout 351,756 people · latest lead test: none found · 203-926-4320
South Norwalk Electric & Waterabout 42,000 people · latest lead test: none found · 203-866-3366
The Norwalk First Taxing Districtabout 40,256 people · latest lead test: none found · 203-847-7387

Is my pipe lead? · Who pays? · Filters