County Offices, Courts and the Landfill will be closed Monday, May 25 in observance of Memorial Day. Critical services at Larimer County will not be disrupted by this closure.
DEET is very stable and is effective indefinitely as a repellent. For this reason, the federal government doesn't require an expiration date on product labels. But manufacturers of repellents say that the feel, smell and appearance of their products may change after about three years. This does not reduce the DEET's ability to repel mosquitoes and ticks but may make the product less appealing to users. If you're not sure about your particular product, contact the manufacturer.