Household Hazardous Waste Collections are held throughout the year for the residents of Amherst, Brookline, Hollis, Hudson, Litchfield, Merrimack, Milford, Mont Vernon, Nashua, Pelham, and Windham.
2026 Collection Events
| Date | Day of Week | Time | Address | Location |
|---|---|---|---|---|
| April 18 | Saturday | 8:00 AM - 12:00 PM | 25 Crown St, Nashua | Nashua Park & Ride |
| May 9 | Saturday | 8:00 AM - 12:00 PM | 289 South St, Milford | Milford Public Works |
| June 4 | Thursday | 3:00 PM - 7:00 PM | 25 Crown St, Nashua | Nashua Park & Ride |
| August 8 | Saturday | 8:00 AM - 12:00 PM | 33 Newcomb Field Pkwy, Pelham | Pelham Highway Dept |
| September 26 | Saturday | 8:00 AM - 12:00 PM | 25 Crown St, Nashua | Nashua Park & Ride |
| November 7 | Saturday | 8:00 AM - 12:00 PM | 25 Crown St, Nashua | Nashua Park & Ride |
User Fees
$20 per vehicle, for up to 10 gallons or 20 pounds of hazardous waste.Additional fees will be charged for amounts above 10 gallons (liquids) or 20 pounds (solids). Containers larger than 5 gallons require special handling and need to be pre-registered by calling (603) 417-6570.
We accept cash or check. Please make your hazardous waste check payable to "NRSWMD."
Carpooling is encouraged. If you and your neighbors collectively have less than 10 gallons or 20 pounds of materials and you carpool in one vehicle, you’ll only be charged $20.00 total.
Businesses: Small businesses need to call ahead of time to register. Costs will be paid directly to vendor and are based on the type and quantity of waste you are disposing of. Pre-registration is required at least 2 weeks prior to the event. For more information call (603) 417-6570.
Accepted Items
Oil-based paints, solvents, auto products, antifreeze, pesticides, gas, and household cleaners are just a few examples. Full List of Accepted Items
Unaccepted Items
While we accept a wide variety of hazardous wastes, we do not accept latex/acrylic paint, electronics, medication, Freon appliances, and other specific items.
Full List of Unaccepted Items
Exactly What is Household Hazardous Waste?
By definition, Household Hazardous Waste (HHW) is corrosive, flammable, toxic, or reactive. It comes from everyday products used in the home, yard, or garden. Oil-based paints, solvents, auto products, antifreeze, pesticides, gas, and household cleaners are just a few examples.
Corrosive – Corrosive/caustic substances will destroy or irreversibly damage things they touch. They can damage eyes, skin, and tissue, causing chemical burns. Breathing or eating can damage the lungs, intestines and stomach.
Look at the label: Words such as “causes severe burns on contact” or “can burn eyes, skin, throat” mean a product is corrosive.
Flammable - Flammable substances can burn or ignite, causing fire. Solids, liquids, and gases can all be flammable. Flammable materials should never be used or stored near sources of heat, flame, sparks, static discharge, or in unventilated areas.
Look at the label: Words such as “don’t use near heat or flame,” “combustible,” and “do not smoke near this product” mean a product is flammable.
Toxic – Toxic/poisonous substances can hurt or kill people and animals when they eat, breathe, or touch them. Many household cleaning products are toxic.
Look at the label: Words such as “harmful or fatal if swallowed” or “use only in well ventilated areas” mean a product is toxic.
Reactive – Reactive/explosive substances can spontaneously ignite or create poisonous vapors when mixed with other products. They can also explode when exposed to heat, light, sudden shock, or pressure.
Look at the label: Fortunately, other than fireworks, most current consumer products are not reactive. The word "reactive" will likely appear on the label.
Why Participate in a Collection Event?
Bringing your household hazardous waste to a collection event protects people and the environment. When hazardous waste is put in the trash, on the ground, down the sink, or into a storm drain, it can pollute water, threaten human health, and harm wildlife. If you have old, leftover household supplies that say “caution,” “poison,” “warning,” or “danger” anywhere on their product label, properly disposing of them can also prevent injuries to humans and pets in your home.
The best way to reduce the amount of household hazardous waste in your home is to avoid buying it at all. Look for labels that say “nontoxic” and avoid products with labels that say “flammable, corrosive, explosive, or toxic.” If you can’t find an alternative, buy the smallest container that will meet your needs. If you have any product leftover, offer to share it with your neighbors and friends while it is still useful.