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CFL Bulb and Mercury Disposal

Compact Fluorescent Light (CFL) Bulb and Mercury Disposal

Knox County residents can properly dispose of their small, curly compact fluorescent light bulbs (CFLs) and other mercury-containing devices, such as thermometers and thermostats, at any Knox County Drop-off Center. Certain mercury-containing items, such as long fluorescent tubes, and large amounts of mercury-containing items will still need to be taken to the Household Hazardous Wastes Center.

Because each of these items contains mercury, which poses a significant risk to humans and the environment, Knox County wants to offer residents a responsible and convenient option for disposing of this hazardous material.


Direction for disposal

CFLs and mercury-containing thermometers and thermostats must be separated from normal garbage and brought directly to the center operators at each location. Knox County will NOT accept broken mercury-containing items, long fluorescent tubes or any material from private businesses or organizations. Items need to be protected from breaking and mercury switches should NOT be removed from thermostats. The whole thermostat should be brought to the center intact.


Mercury Thermometer Exchange

Mercury thermometers can be exchanged at any Knox County Drop-off Center for a free digital thermometer, limited to one per household.

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Solid Waste Administrative Office

205 West Baxter Avenue
Knoxville, TN 37917

Phone: 865-215-JUNK (5865)
Fax: 865-215-5820

Solid Waste administrative Office Hours:
Monday - Friday
8:00 am - 4:30 pm
Department Email