Portable cleaning convenience without a permanent plumbing connection required. Imagine having a mini dishwasher that just plugs in and uses its own water tank. That’s the freedom a countertop dishwasher with water tank offers, perfect for small apartments, RVs, or as a secondary station. No more hauling dishes to the sink or dealing with messy, permanent hoses under the counter.
You simply fill the integrated reservoir, load it up, and press start. It’s a game-changer for anyone who’s tired of hand-washing but isn’t ready for a full-size install. Let’s see if this compact appliance can really deliver a sparkling clean and save you valuable time and counter space.
Product Comparison Table: 10 Best Countertop Dishwasher With Water Tank
| Image | Why We Like This Product | Editor’s Rating | |
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Portable Countertop Dishwashers, Compact Dishwashers, 7.8L Water Capacity Small…
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9.9 |
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COMFEE’ Portable Dishwasher Countertop with 5L Built-in Water Tank…
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9.7 |
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DUIBAII 800W Countertop Dishwasher, 5 Washing Programs with Built-in…
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9.5 |
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JooWing NEW Portable Countertop Dishwasher, Portable Dishwasher with 7L…
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9.2 |
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Countertop Dishwasher Portable with 4 Programs, Portable Dishwasher Countertop,…
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9.0 |
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Portable Dishwasher, 5-Liter Built-in Water Tank Compact Portable Countertop…
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8.8 |
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Portable Dishwasher, 5-Liter Built-in Water Tank Compact Portable Countertop…
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8.6 |
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785W 17.32 * 16.25 * 16.69in Portable Touch Control…
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8.3 |
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DUIBAII 800W Countertop Dishwasher, 5 Washing Programs with Built-in…
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8.1 |
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JooWing White Portable Countertop Dishwasher, Mini Dishwasher with 360°…
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7.9 |
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Quick Review For Top 10 Countertop Dishwasher With Water Tank
Portable Countertop Dishwashers, Compact Dishwashers, 7.8L Water Capacity Small Dish Washer with 360° Rotating Spray for Home Small Apartments RVs

The Portable Countertop Dishwasher is designed for spaces where a full-sized unit just won’t fit, but you still want the convenience of a machine doing the scrubbing. It’s a compact, self-contained solution that brings full dishwasher functionality to small apartments, RVs, or cozy kitchens without the need for permanent installation. With a 7.8-liter capacity, this unit can handle a surprising amount—up to 12 to 20 pieces of tableware in a single cycle.
That means plates, bowls, utensils, and cups from a meal for two or three can be cleaned together. One of it’s key benefits is water efficiency; it uses approximately 2 gallons per cycle, which is often significantly less water than running the tap during hand washing. This makes it a practical choice for both convenience and conservation. Setup is straightforward. Since it’s a complete portable unit, there’s no complicated plumbing or cabinet modifications required.
You simply connect it to your kitchen faucet for water inlet and drainage when you need it. Its compact footprint, measuring 17.72 by 15.75 by 17.3 inches, allows it to sit comfortably on your countertop. When not in use, it can be stored away, helping you maintain a clean and uncluttered kitchen space. Cleaning performance is robust thanks to its 360-degree rotating spray arm. This lower spray arm ensures powerful water flow reaches every corner, effectively tackling grease and food residue.
COMFEE' Portable Dishwasher Countertop with 5L Built-in Water Tank & Mophorn Stainless Steel Work Table with Wheels 24 x 30 x 32 Inch Prep Table

The COMFEE’ Portable Dishwasher Countertop with 5L Built-in Water Tank and the Mophorn Stainless Steel Work Table with Wheels 24 x 30 x 32 Inch Prep Table offer a smart, flexible solution for kitchens short on space or plumbing.
Starting with the COMFEE’ Portable Dishwasher, its main advantage is its incredible flexibility. It doesn’t need a permanent water hookup.
You have two options: manually fill its integrated 5L water tank, or connect it directly to your kitchen faucet using the included hose. This means you can place it wherever is most convienient, as long as there’s a power outlet nearby. Just ensure you have at least 19.6 inches of clearance above it.
Its ultra-compact design is perfect for apartments, dorms, RVs, or small homes, yet it can still wash over 30 items at once, handling plates up to 9.5 inches.
It offers six program options to cover various needs. These include NORMAL, RAPID, STEAM, FRUIT, and GLASS cycles, plus an AIR REFRESH drying mode. For thorough sanitation, the HYGIENE cycle heats water up to 192°F, ideal for heavily soiled pots or cleaning baby items.
DUIBAII 800W Countertop Dishwasher, 5 Washing Programs with Built-in Water Tank, Leak-Proof Dry Dishwasher for Houses,Apartments,Dorms

The DUIBAII 800W Countertop Dishwasher is a compact solution designed to handle daily dishwashing without needing a permanent, complicated installation. Its built-in water tank and leak-proof design mean you can place it on any countertop near a power outlet, making it incredibly versatile for apartments, small houses, or dorms where space and plumbing are limited.
With a capacity for up to six full place settings, it manages the aftermath of family meals efficiently.
You can load it with plates, bowls, utensils, and even cups all at once. This saves you from the repetitive task of hand-washing multiple times a day, freeing up your time for other things. The machine offers five distinct washing programs to cover different needs. The Quick Wash cycle is perfect for lightly soiled items when your in a hurry, while the Strong Wash tackles tougher, greasy residue. For health-conscious users, the dedicated Disinfect function provides extra peace of mind.
A seperate Fruits/Vegetable wash setting gently cleans your produce, and the Self-Clean mode helps maintain the machine itself.
One of it’s standout benefits is water efficiency. A full cycle uses a maximum of just 1.32 gallons of water, which is typically far less than running the tap continuously during hand washing. This makes it an economical and environmentally friendlier choice over time. The design is thoughtfully executed for stability and space-saving.
JooWing NEW Portable Countertop Dishwasher, Portable Dishwasher with 7L Built-in Water Tank, No Hookup Needed, 5 Programs, 360° Dual Spray, Air-Dry Function, Mini Dishwasher for Apartments& RVs

The JooWing NEW Portable Countertop Dishwasher is designed for spaces where a traditional, built-in dishwasher just isn’t an option. If you live in an apartment, a dorm, an RV, or a small home without the plumbing for a permanent install, this unit offers a legitimately convenient solution. It’s entire design philosophy revolves around simplicity and getting you clean dishes with minimal fuss.
First off, setup is remarkably straightforward. This is an installation-free appliance.
You don’t need to drill holes, connect to permanent water lines, or modify your cabinets. For most uses, you simply fill the built-in 7-liter (about 6.35qt) water tank at the top, plug the drain hose into your sink or a container, and plug in the power. That’s it—your ready to go. We also include an inlet hose if you’d prefer to connect directly to your faucet for a continuous water supply, giving you flexibility depending on your kitchen layout.
This method, along with it’s efficient washing cycles, uses a fixed amount of water which can lead to significant savings compared to hand-washing under a running tap.
Operation is just as easy thanks to the intuitive touch screen control panel. You can select from five different cleaning programs to match your load, from a quick rinse to a heavy-duty wash for pots and pans. The wide screen clearly displays the remaining time so you always know when your dishes will be done.
Countertop Dishwasher Portable with 4 Programs, Portable Dishwasher Countertop, Compact Mini Dishwashers with 6.8L Built-in Water Tank,High-Temp& Air-Dry Function (White)

The Countertop Dishwasher Portable with 4 Programs offers a practical cleaning solution for spaces where a full-size model just won’t fit. Its compact white design, measuring 15.35 by 16.92 by 18.11 inches, lets it sit conveniently on your kitchen counter without taking over. Despite it’s small footprint, it’s built to handle the daily needs of a 4-6 person household thanks to a 6.8L built-in water tank.
This means you don’t need a permanent hookup to your sink for every use, adding to its portability and ease of setup. You get four distinct washing programs to cover most cleaning tasks. The ECO mode is for your everyday, lightly soiled loads, balancing efficiency with effectiveness. For pots or dishes with stuck-on food, the Strong mode provides a more powerful wash. When you’re in a hurry, the Rapid cycle gets you clean dishes quickly.
There’s even a dedicated Fruit setting, making it easy to gently clean vegetables and fruits, which is a nice bonus feature. Dual spray arms with 360-degree rotating jets ensure water reaches every corner and item, though it’s good to note the maximum bowl diameter it can accommodate is 10.24 inches. A major advantage of this unit is its efficiency.
Portable Dishwasher, 5-Liter Built-in Water Tank Compact Portable Countertop Dishwasher Streak-Free Deep

The Portable Dishwasher, 5-Liter Built-in Water Tank Compact Portable Countertop Dishwasher Streak-Free Deep is here to simplify your kitchen routine, especially if your space is limited. Its a completely self-contained unit that doesn’t need a permanent hookup under your sink. The built-in 5-liter water tank means you just fill it up manually, and it drains into a separate container or your sink.
This makes it incredibly versatile for apartments, RVs, dorm rooms, or even as an extra cleaning station in your home. You’ll appreciate its compact, space-efficient footprint designed to fit conveniently on your kitchen countertop. Its scaled-down proportions mean it won’t dominate your workspace, but it still offers a full cleaning performance. The unit is crafted from premium stainless steel in key areas, which offers reliable rust resistance and long-term structural integrity.
This sturdy material holds up well in moist environments, maintaining its look and function for years. Cleaning power is central to its design. The spray arm inside features precisely positioned holes that direct water at optimized angles and pressure. This ensures thorough coverage across the dishwasher’s interior, helping to blast away food residue from your dishes, glassware, and utensils during each cycle. The result is a streak-free, deep clean that you can rely on.
Portable Dishwasher, 5-Liter Built-in Water Tank Compact Portable Countertop Dishwasher Streak-Free Deep

The Portable Dishwasher, 5-Liter Built-in Water Tank Compact Portable Countertop Dishwasher Streak-Free Deep is designed for spaces where a full-size model just won’t fit. If your kitchen is cozy or your living situation is temporary, this unit offers a full cleaning cycle without the need for a permanent installation. It’s a self-contained system with its own 5-liter water tank, meaning you don’t have to connect it to your sink everytime you want to run a load.
Just fill the tank, and your ready to go.
Its built around a core of premium stainless steel, which isn’t just for looks. This material ensures the machine resists rust and maintains its sleek appearance through years of daily use. The durability is a key feature, promising reliable performance that stands up to the test of time. The compact footprint is another major advantage, tucking neatly onto your countertop without consuming valuable prep space.
It’s ideal for apartments, RVs, dorm rooms, or as a secondary dishwasher in a wet bar.
Cleaning power is central to its function. The spray arm inside is engineered with strategically placed small holes. These holes direct water at specific angles and pressures, ensuring coverage reaches every corner of the interior. This multi-angle spray system works to forcefully dislodge oil and stuck-on food residues from your plates, glasses, and utensils.
785W 17.32 * 16.25 * 16.69in Portable Touch Control Compact Countertop Mini Dishwasher with Water Tank Leak-Proof Air Dry

The Portable Touch Control Compact Countertop Mini Dishwasher is designed for kitchens where space is at a premium but you still want the convenience of a dishwasher. It’s a self-contained unit that dosen’t require a permanent hookup to your plumbing, making it a versatile solution for apartments, RVs, office kitchens, or smaller homes. Let’s break down what this model offers. First, its size is a major point.
With dimensions of 17.32 by 16.25 by 16.69 inches, it’s built to sit neatly on your countertop without dominating it. You can tuck it into a corner or under a cabinet when not in use. Despite the compact footprint, the interior is surprisingly roomy. It’s engineered to hold multiple plates, bowls, cups, and utensils in a single load, which is perfect for a small household or for keeping up with daily dishes for one or two people so you’re not washing by hand constantly.
Cleaning performance is powered by a 785W motor that generates water pressure between 5.8 and 145 PSI. This is what tackles dried-on food and grease, spraying dishes from multiple angles to get them clean. You operate it through a simple touch control panel, selecting the cycle you need. A key feature is the built-in water tank. This means you can fill it manually, so you don’t need to connect it to a faucet every time, offering true protability.
DUIBAII 800W Countertop Dishwasher, 5 Washing Programs with Built-in Water Tank, Dish Washing Machines for Household Purposes

The DUIBAII 800W Countertop Dishwasher is a compact solution designed to handle the daily dish load for smaller households or as a secondary cleaning station. If your kitchen lacks the space or plumbing for a full-size model, this unit offers a surprising amount of functionality without a permanent install.
It’s built with a built-in water tank, meaning you can simply fill it up and place it on any countertop near a power outlet—no complicated hookups needed.
With a capacity for up to six full place settings, it manages a complete meal’s worth of dishes, including plates, bowls, utensils, and cups, in a single cycle. This makes it ideal for couples, small families, or anyone who prefers to run a smaller load daily rather than letting dishes pile up.
The machine offers five distinct washing programs to tackle different tasks. You can choose a Quick Wash for lightly soiled items, a Strong Wash for pots and pans with stuck-on food, or even a dedicated setting for cleaning fruits and vegetables. The Self-Clean and Disinfect functions help maintain the machine itself, ensuring it runs hygenically over time.
One of it’s standout benefits is water efficiency.
JooWing White Portable Countertop Dishwasher, Mini Dishwasher with 360° Spray Arms for Apartments Dorms Boats Campers RVS, Kitchen Dishwasher with 4-5 L Built-in Water Tank 5 Washing Programs, 1200W

The JooWing White Portable Countertop Dishwasher is a compact cleaning solution designed for spaces where a full-sized model just won’t fit. If you live in a small apartment, a dorm room, or even a boat or RV, this mini dishwasher offers a surprising amount of functionality without taking up precious counter space.
Its ultra-compact design has a small footprint, yet it can still hold up to 2-6 sets of dishes, making it practical for individuals, couples, or small families.
This portable dishwasher operates with a built-in 4-5 liter water tank, so you don’t necessarily need a permanent connection to a water line. For more convienient use, it also comes with easy connectors and adapters to quickly attach the inlet hose to your kitchen tap.
Setup is straightforward, letting you get started with minimal fuss. Once it’s ready, operation is simple: you can activate a full cleaning cycle with just one button press.
Cleaning power is a key feature here. The unit uses 360° rotating spray arms that ensure water reaches every corner of the load, tackling stuck-on food. It pairs this with 72℃ hot water for a thorough, sanitizing clean that handles most everyday messes.
Countertop Dishwasher With Water Tank Buying Guide
A countertop dishwasher with a water tank solves specific installation challenges. It’s perfect for apartments, RVs, or homes where a direct plumbing hookup isn’t possible or practical. You simply fill the internal tank, and the machine takes care of the rest. But how do you choose the right one? Let’s look at the key factors.
Water Tank Capacity and Cycles
This is the core of the machine’s independence. A larger tank means you can run more cycles before refilling, but it also means a larger overall footprint. Consider your daily dish load. How many place settings do you typically wash? A smaller tank might suffice for a single person, but a couple or small family will appreciate the extra capacity. Check how many full cycles one tank fill provides—some efficient models can manage two.
Physical Dimensions and Counter Space
Measure your space! Twice. These units need to fit on your counter and under your cabinets. Note the height, width, and depth, and remember you’ll need a few inches behind for the vent and to plug it in. Don’t forget about the door swing—can it open fully without hitting a wall or your faucet? A compact design is useless if you can’t actually use it.
Noise Level During Operation
Since it’s sitting out in the open, noise matters more than with a built-in model. If your living area is open-plan or you run it in the evening, you’ll want a quieter machine. Look for decibel (dB) ratings in the product specs. As a reference, 50 dB is about as loud as a quiet conversation. Anything over 60 dB might become a noticeable background hum during your movie night.
Connection and Drainage Options
The beauty of these models is flexibility. While they’re designed for manual tank-fill, many also include an adapter hose to connect directly to your faucet if you ever want to. This is a great bonus feature. For drainage, most have a drain hose that empties into your sink. Ensure the hose is long enough to reach comfortably and that the setup is stable—you don’t want any accidental spills on your floor.
Frequently Asked Questions About Countertop Dishwasher With Water Tank
What is a countertop dishwasher with a water tank?
It’s a compact, portable dishwasher. Instead of connecting directly to your home’s plumbing, it has a built-in tank you fill with water. You pour water in before each cycle, and it drains into a separate container or your sink.
Who is this type of dishwasher good for?
It’s perfect for small spaces like apartments, RVs, or dorm rooms. It’s also great if you’re renting and can’t install a permanent appliance. If you have a small household or don’t generate many dishes daily, it can be a real help.
How much water does it use?
They are generally very efficient. Most models use between 2 to 4 gallons per cycle, which is often less than hand washing a similar load of dishes. You’ll need to check the specs for you’re specific model.
How do you set it up and use it?
Setup is simple. You just place it on a sturdy counter near a power outlet and your sink. To use it, you manually fill the internal tank with water, load your dishes, add detergent, and select a cycle. Afterward, you empty the drain hose into your sink.
What size of dishes will it hold?
It holds fewer items than a full-size dishwasher. You can typically fit plates up to 10 inches, bowls, cups, mugs, and some utensils. Large pots, baking sheets, or tall items usually won’t fit. It’s designed for your everyday dishes.
Does it heat the water?
Yes, most models have a heating element. This heats the water to the proper temperature for cleaning and sanitizing. Some also have a heated dry function to help your dishes dry faster after the wash.
Is it noisy when it runs?
It makes about as much noise as a standard dishwasher, which is a consistent hum and swishing sound. It’s not usually disruptive, but you might notice it in a very quiet room. The noise level varies a bit by brand.
Where do you put the detergent?
You use the same detergents as a regular dishwasher, like pods, powder, or gel. There’s a dedicated dispenser inside the door. Just make sure you use detergent meant for dishwashers, not regular dish soap.
Final Thoughts
Tank-powered convenience is condensed into our best picks. These units offer a real solution for small kitchens, dorms, or apartments. You get the full cleaning power of a dishwasher without the complicated plumbing. Just fill the tank, connect to power, and you’re set. It’s that straightforward.
If you need a flexible cleaning partner, a countertop dishwasher with water tank is a smart choice. It saves you time and water compared to hand-washing. You can enjoy clean dishes without a permanent kitchen change. Just remember to consider your space and how many place settings you need. This way, you’ll find the perfect model for your routine.








