As fall turns to winter on San Juan Island, most of us shift into “weather-proofing” mode. We check pipes, bring plants indoors, and make sure vehicles are ready for colder temperatures. It’s also the perfect time to take a hard look at what’s lurking in your garage, sheds, and storage closets — especially hazardous household products that don’t age well in freezing weather.

Many homes have a quiet collection of paints, stains, solvents, cleaners, pesticides, fuels, and automotive fluids. These products might have been purchased for a project years ago, then pushed to the back of a shelf and forgotten. Left long enough, containers can become brittle, corroded, or cracked, and the chemicals inside can separate, expand, or leak. In winter, the risk increases as repeated freezing and thawing put extra stress on containers.

Improper storage or disposal of these materials is more than a nuisance. If a can of paint bursts, if a jug of antifreeze leaks onto a floor drain, or if pesticide containers break and spill into soil, the impact can extend far beyond your property. Hazardous liquids and powders can contaminate groundwater, harm pets and wildlife, and eventually make their way into marine environments. On an island, where we depend heavily on fragile ecosystems and shared resources, that’s a risk none of us can ignore.

The good news is that safe disposal and better storage are achievable with a bit of planning. The first step is inventory. Set aside an hour to walk through your garage, shed, or storage spaces and gather everything that fits the “hazardous” category: leftover paint and stain, automotive fluids, solvents, strong cleaners, weed killers, and similar items. Check labels and note any products that are clearly expired, damaged, or no longer needed.

Next, separate what can be used up, repurposed, or safely stored from what truly needs to go. If you have a nearly full, still-good can of paint in a color you might reuse, make sure the lid is tightly sealed, then store it in a cool, dry place above floor level where it’s less likely to freeze or rust. Items you know you will never use again, or containers already compromised, should go on a list for proper disposal.

It’s important not to place these materials in your regular garbage or pour them down sinks, drains, or outdoor soil. Hazardous waste is handled differently from ordinary trash and recycling for a reason. Some materials can be stabilized, neutralized, or recycled; others must be transported and disposed of in specialized facilities. Local hazardous-waste programs and events exist specifically to route these materials through safe channels.

Before transporting anything, take a few precautions. Keep products in their original containers whenever possible so labels remain visible. If a container is badly damaged, place it inside a secondary, clearly labeled container or bucket and secure the lid. Group similar products together in a sturdy box, upright and padded with newspaper or cardboard so they don’t tip over in transit. Never mix different chemicals together in a single container.

As you plan, think about other winter-readiness tasks that pair naturally with hazardous-waste clean-up. Are you changing vehicle antifreeze or oil? Plan to collect and store used fluids safely, following local guidance, until you can bring them to an appropriate collection point. Are you replacing an old lawnmower or outdoor equipment? Drain fuel properly and set aside containers for safe handling.

San Juan Transfer Station is part of a broader network of county and regional programs that support safe waste management. While hazardous household waste often has separate collection options from everyday garbage and recycling, your trip to the transfer station is a great time to ask questions and gather information about upcoming events, guidelines, and local contacts for hazardous materials.

By tackling hazardous household items before freezing weather truly sets in, you’re doing more than tidying up; you’re actively protecting your neighbors, local wildlife, and the waters that surround our island. A few careful choices today — inventory, storage, and proper disposal — can prevent leaks, spills, and contamination tomorrow. Winter is coming either way; making it safer is in all our hands.