Household hazardous waste drop-off in Connecticut
In Connecticut, programs may be called HHW, household chemical waste collection — the listings below use each agency's own name.
This page lists 6 collection events or mobile collections in Connecticut, compiled from 5 official sources. Listings cover 6 cities and towns, including Ansonia, Bristol and Danbury. Every listing was read directly from the agency's page, and all of them have a street-level map pin — the rest say so on their own page.
6 listings (6 collection events). We have not listed a permanent drop-off site in Connecticut yet — only events or pickup programs. Coverage for Connecticut is still thin — many cities and counties run hazardous waste programs we haven't listed yet. Check your city or county solid waste page too.
Call ahead. Hours, fees, residency rules, appointments and accepted materials change. Check the official page or call before you go. Never mix chemicals, and keep products in their original containers. Every listing links to its official source.
By city and county
All listings in Connecticut
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NVCOG Household Hazardous Waste Collection — Ansonia Public Works
1 North Division Street, Ansonia, CT
Dates: November 14, 2026
Hours: Saturday, November 14, 2026, 9 a.m.–2 p.m.
Source: Naugatuck Valley Council of Governments · checked
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City of Bristol Household Hazardous Waste Collection
95 Vincent P. Kelly Rd, Bristol, CT
Dates: November 14, 2026
Hours: Saturday, November 14, 2026, 9 a.m.–1 p.m. at the Town of Bristol Public Works Garage.
Source: City of Bristol · checked
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HRRA Household Hazardous Waste Collection — Danbury Public Works
53 Newtown Road, Danbury, CT
Dates: April 10, 2027
Hours: Saturday, April 10, 2027. The authority’s event protocol page does not reprint clock hours for the 2027 dates; 2026 Danbury collections at this address were 9 a.m.–2 p.m.
Source: Housatonic Resources Recovery Authority · checked
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CREOC Household Hazardous Waste Collection — Manchester Public Works
321 Olcott Street, Manchester, CT
Dates: February 6, 2027
Hours: Saturday, February 6, 2027, 8 a.m.–1 p.m. Arrive no later than 1 p.m.; cars in line at 1 p.m. will be served.
Source: Town of Manchester / Capitol Region East Operating Committee · checked
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HRRA Household Hazardous Waste Collection — Newtown Public Works
4 Turkey Hill Road, Newtown, CT
Dates: May 8, 2027
Hours: Saturday, May 8, 2027. The authority’s event protocol page does not reprint clock hours for the 2027 dates; 2026 Newtown collections at this address were 9 a.m.–2 p.m.
Source: Housatonic Resources Recovery Authority · checked
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MidNEROC Household Chemical Waste Drop-Off Facility
60 Hancock Road, Willington, CT
Dates: Open 9 a.m.–2 p.m. on the third Saturday of each month from mid-April through mid-October.
Hours: 9 a.m.–2 p.m. on the third Saturday of each month from mid-April through mid-October.
Source: Town of Willington · checked
Neighboring states
Many programs serve residents only, so a site across the state line may not take your waste — check its official page first.
Sources for Connecticut: City of Bristol; Housatonic Resources Recovery Authority; Naugatuck Valley Council of Governments; Town of Manchester / Capitol Region East Operating Committee; Town of Willington. How complete is this?