A disposal that hums is usually jammed, one that does nothing has usually tripped its reset button or lost power, and water under the sink usually comes from a worn seal or loose drain connection. Jams and resets are often simple; a cracked housing means a new unit. Call the number on this page to be connected with a local plumber in Denver.

Try this before you call
- Switch the disposal off and cut power at the switch or breaker. Never reach into the grinding chamber.
- Press the red reset button on the bottom of the unit.
- If it hums but won't spin, use the hex key that fits the socket under the unit to work the flywheel back and forth.
- Restore power, run cold water and try it again.
If it trips again right away, or the hex socket won't budge, stop and have a plumber look. Forcing it can burn out the motor.
Reading the symptoms
- Leak from the top: the sink flange putty or mounting ring has loosened.
- Leak from the side: the dishwasher hose or drain outlet connection needs attention.
- Leak from the bottom: internal seals have failed, which usually means replacement.
- Sink drains slowly even with the disposal running: the clog is in the trap or the drain line past it.
What goes down, and what shouldn't
A disposal grinds food; it doesn't make grease, fibrous peels, coffee grounds or eggshells disappear. Those collect in the trap and the drain line, and fats cool and stick as they travel. Older Denver homes deserve extra care here: with the median house built in 1975, many kitchens still drain through original cast iron, and buildup inside old pipe narrows it over time. Scrape plates into the trash, run cold water while grinding, and keep cooking grease out of the sink entirely. Your home's waste line ties into the sewer system run by Denver Wastewater Management, and grease that gets past your pipes adds to blockages down the line.
Repair or a new unit
Jams, reset trips and loose connections are repairs. A disposal that leaks from its body, smells hot, or has seized for good is generally replaced. A plumber can also check that the dishwasher drain has a proper high loop or air gap while the cabinet is open.
What sets the price
Cost depends on whether the fix is a reset or connection repair versus a new unit, the horsepower and model you choose, whether the electrical connection needs changes, and whether the drain line past the disposal needs clearing. Ask for the quote before work begins.
Garbage Disposal Repair questions from Denver homeowners
Why does my disposal hum but not grind?
Is it safe to pour grease down the disposal with hot water?
My disposal leaks from the bottom. Can it be fixed?
Why does my kitchen sink drain slowly even with a working disposal?
Related plumbing services in Denver
Helpful guides
Garbage Disposals in nearby cities and towns
Arapahoe County
Jefferson County
Adams County
Douglas County
Broomfield County
Boulder County
Weld County
Elbert County
Park County
Gilpin County
Clear Creek County
Sources
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