More than 11,500 nitrous oxide canisters have been safely collected at a Leamington recycling centre as part of a countywide amnesty, which has removed nearly 17 tonnes of the hazardous items from local communities.

Warwickshire County Council said its Princes Drive Household Waste Recycling Centre in Leamington processed 8,100kg of canisters across two skip removals between November 2025 and September 2026.

Across Warwickshire, the amnesty has seen 24,084 canisters, weighing 16,860kg, safely collected and diverted from standard household waste and recycling streams.

​Discarded nitrous oxide canisters have increasingly become an environmental blight in parks, grass verges, and public spaces across the county.

Crucially, they pose a severe hazard if disposed of in standard household waste or recycling bins. Because they can remain highly pressurised even when they appear empty, the canisters pose critical operational and explosive risks to staff at waste treatment facilities.

​Cllr Darren Cheshire, Warwickshire County Council's Portfolio Holder for Environment, Heritage and Culture, shared: "The response to our nitrous oxide canister amnesty has been absolutely phenomenal. To have safely removed over 24,000 of these hazardous items from our parks, verges, and standard waste streams is a huge achievement for Warwickshire.

"I want to personally thank the community groups, local litter pickers, environmental groups, and individual residents who have taken the time to collect and transport these canisters to our household waste recycling centres free of charge.

"Discarded canisters are not just a blight on our landscape; they present a very real and severe danger to our waste facility staff if thrown into standard household bins. By embracing this amnesty, our communities are directly protecting our workforce, cleaning up our local environment, protecting us from the expense of closing facilities, and ensuring that these metals are safely processed for recovery."

​The amnesty scheme provides a safe, free-of-charge, and "no questions asked" disposal route, ensuring the items are carefully segregated for sustainable metal recovery rather than ending up in regular household waste.

​Rather than counting individual bottles upon drop-off, WCC site staff accept the canisters and place them in dedicated collection units before they are weighed out at bulk processing sites.

Using an average weight of 0.7 kg per bottle, the sheer scale of the public's response has been captured at the council's two primary skip locations, including the Princes Drive site in Leamington.

Lower House Farm in Atherstone also processed 8,760 kg across three skips removed between February and June 2026, accounting for 12,514 canisters.

The council has utilised a wide network of free-of-charge drop-off points, with unmarked 240-litre collection bins at Burton Farm, Cherry Orchard, Hunters Lane, Wellesbourne, Shipston, and Stockton, all feeding into the wider county recycling effort alongside the main skips.

The major issue with these canisters is what happens when they inadvertently reach energy recovery facilities. They have the potential to heat up until they explode. In such scenarios, the facility has to be taken offline, repaired, and brought back online, which can take up to three days, costing more than £100,000.

​Warwickshire County Council continues to urge residents not to place nitrous oxide canisters in their regular bins under any circumstances.

Information about your local recycling centres and booking can be found here.

Residents can follow Warwickshire Recycles on social media for daily tips on Instagram and on Facebook.

Residents can find out where their recycling goes and the types of products it goes on to be remade into by visiting here.