Choosing the right mop sink size

Mop Sink Sizes

Considered essential parts of any foodservice cleaning system, commercial mop sinks enable users to dump dirty mop buckets and maintain a sanitary environment. Mop sinks are typically measured by their bowl depth, which can range from 6 to 12 inches deep. This article outlines common mop sink sizes, styles, and uses.

Mop Sink Size Chart

Size Bowl Depth (in.) Common Uses
Shallow Depth 6 - 8 Small kitchens, light-duty mopping
Medium Depth 9 - 10 Commercial kitchens, everyday mopping
Large Depth 12 and up Institutional or industrial kitchens, heavy mopping

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Standard Mop Sink Sizes Explained

Shallow-Depth Mop Sinks

Mop sink depths start at 6 inches, which work best in cafes or concession stands with limited space. However, some 6-inch models have wide bowls to accommodate larger mops.

Medium-Depth Mop Sinks

Standard mop sinks are 9 to 10 inches deep, which provides enough space for most restaurant mops and additional utility tasks.

Deep Mop Sinks

Mop sinks measuring 12 inches deep or more are made for high-traffic areas that need consistent cleaning, such as hospitals and school halls. Deeper sinks are often mounted higher up and may double as utility sinks for washing maintenance supplies.

Types of Mop Sinks

  • Standard Mop Sink: Floor mounted with various bowl sizes
  • Drop Front Mop Sink: Shallow front opening reduces lifting height when pouring mop buckets
  • Floor-Mount Mop Sink: Recessed into the floor for direct pouring
  • Cabinet Mop Sink: Holds mops and cleaning supplies while keeping mop sink contained
  • Wall-Mount Mop Sink: Installs without obstructing the area underneath
  • Standing Mop Sink: Eliminates the need to bend to perform certain tasks
  • Mobile Mop Sink: Portable mop cleaning enables operators to efficiently clean large areas or spaces with limited plumbing access

Mop Sink Accessories

  • Mop Sink Splashes: Upright metal sheets on two or three sides protect the area from wastewater splashes
  • Mop Hangers: Install above mop sinks so mops can drip directly into the sink
  • Hose Hangers: Keep service faucet hose clean and off the floor

How to Choose the Right Mop Sink Size

Consider the following factors when purchasing a new mop sink:

  • Size: The larger your floor space, the deeper mop sink you'll need. You may need to purchase several mop sinks to service large commercial buildings
  • Accessibility: Drop front and floor-mount sinks reduce or eliminate the need to lift a mop bucket, easing labor for cleaning staff
  • Location: Mop sinks should never be installed near food areas, since they handle dirty water. Choose a location away from your food storage and prep that fits the sink you want, and consider installing splash guards to prevent wastewater from leaking onto the floor

FAQs About Mop Sink Sizes

What are typical commercial mop sink dimensions?

On average, the overall dimensions of mop sinks range from 21 to 33 inches long by 21 to 25 inches wide by 9 to 16 inches high.

Are mop sinks suitable for both commercial and residential use?

Mop sinks are typically found in commercial spaces, but they may be used by professional cleaners in residential communities. Residential mop sinks are often made of plastic, while commercial mop sinks are made of stainless steel.

What is the ideal faucet height for a mop sink?

Service faucets should be high enough to fit mops underneath, but not so high that they cause excessive splashing. In general, anywhere from 36 to 43 inches from the ground will work. If your faucet is too high, you can install a short hose to extend its reach.

Are mop sinks built to ADA standards?

Mop sinks aren't required to comply with ADA standards.1 Operators must be able to bend over and lift a reasonable load to operate them.

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Whether you need a small floor sink or a large cabinet one, KaTom offers mop sinks for every professional cleaning need.

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References

  1. 2010 ADA Standards for Accessible Design. ADA.gov. Accessed September 2025