Hazardous Waste Disposal Companies in Westport, CT

The top-ranked hazardous waste companies serving Westport, CT are Charkit Chemical Company LLC, Valleries Transportation Service Inc and Anderson Septic Service. We list 157 hazardous waste companies serving Westport, CT. 30 of the providers shown match an active record from U.S. EPA, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.

Hazardous Waste Disposal Companies serving Westport, CT (Western Connecticut Planning Region). 157 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.

Top 10 ranked hazardous waste companies for Westport

20 more providers serving this area

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Frequently asked questions

How many hazardous waste companies serve Westport?

We list 157 hazardous waste companies serving Westport, CT: 0 based there and 157 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

Which hazardous waste companies serve Westport?

The top-ranked hazardous waste companies serving Westport, CT are Charkit Chemical Company LLC, Valleries Transportation Service Inc, Anderson Septic Service, L P M Corp and Swedish Motor Works. The full ranked list, with the official records each provider matched, is on this page.

Which hazardous waste companies serving Westport are verified against official records?

10 of the top 10 match an active official record: Charkit Chemical Company LLC (U.S. EPA), Valleries Transportation Service Inc (U.S. EPA), Anderson Septic Service (U.S. EPA), L P M Corp (U.S. EPA) and Swedish Motor Works (U.S. EPA), and 5 more on this page. Each badge links to the official record it matched.

How are these companies ranked?

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

What does "Verified" mean on this page?

"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.

What is the difference between a transporter and a TSDF?

A transporter moves hazardous waste under an EPA ID; a TSDF is a permitted facility that treats, stores or disposes of it. Many providers do both.

"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .

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