Portable cleaning convenience without a permanent plumbing connection. That’s the big promise of a countertop dishwasher with water tank, and it’s a game-changer for small kitchens, dorms, or rentals. You simply fill the integrated reservoir, load your dishes, and let it go. No complex installs or hoses to wrangle.
It sounds almost to good to be true, right? Can a compact unit really deliver a sparkling clean? We tested one of the top models to see how it handles everyday messes, from coffee mugs to dinner plates. Here’s everything you need to know before you buy.
Product Comparison Table: 10 Best Countertop Dishwasher With Water Tank
| Image | Why We Like This Product | Editor’s Rating | |
![]() |
COMFEE’ Portable Dishwasher Countertop with 5L Built-in Water Tank…
|
9.6 |
Read Review |
![]() |
Portable Countertop Dishwashers, Compact Dishwashers, 7.8L Water Capacity Small…
|
9.5 |
Read Review |
![]() |
DUIBAII 800W Countertop Dishwasher, 5 Washing Programs with Built-in…
|
9.3 |
Read Review |
![]() |
JooWing NEW Portable Countertop Dishwasher, Portable Dishwasher with 7L…
|
9.2 |
Read Review |
![]() |
Countertop Dishwasher Portable with 4 Programs, Portable Dishwasher Countertop,…
|
9.0 |
Read Review |
![]() |
Portable Dishwasher, 5-Liter Built-in Water Tank Compact Portable Countertop…
|
8.9 |
Read Review |
![]() |
Portable Dishwasher, 5-Liter Built-in Water Tank Compact Portable Countertop…
|
8.7 |
Read Review |
![]() |
785W 17.32 * 16.25 * 16.69in Portable Touch Control…
|
8.6 |
Read Review |
![]() |
DUIBAII 800W Countertop Dishwasher, 5 Washing Programs with Built-in…
|
8.4 |
Read Review |
![]() |
JooWing White Portable Countertop Dishwasher, Mini Dishwasher with 360°…
|
8.3 |
Read Review |
Quick Review For Top 10 Countertop Dishwasher With Water Tank
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 offers a flexible cleaning solution for spaces where a traditional dishwasher isn’t an option. Its key advantage is it’s no-installation versatility. You can manually fill the 5-liter built-in tank, allowing you to place the unit anywhere—on a counter, table, or even use it in an RV.
Alternatively, you can connect it directly to your kitchen faucet using the included hose and adapter, giving you two convenient ways to operate.
Despite its ultra-compact footprint, this dishwasher handles a full load of over 30 items, including plates up to 9.5 inches. It’s designed for small kitchens, apartments, dorms, or mobile living. You have six program options to choose from: NORMAL, RAPID, STEAM, FRUIT, GLASS, and an AIR REFRESH drying mode.
For hygiene, the HYGIENE cycle heats water to 162°F for washing and up to a maximum of 192°F for rinsing, which is effective for heavily soiled dishes or sanitizing baby items. Remember to use standard dishwasher detergents; liquid dish soap can cause problems.
The Mophorn Stainless Steel Work Table with Wheels (24″x30″x32″) provides a sturdy and mobile prep surface. Its constructed from thickened, non-magnetic stainless steel, which is easy to wipe clean and resist to contamination.
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 model just won’t fit. If your kitchen is in a small apartment, a studio, an RV, or even a dorm, this compact unit offers a serious upgrade from hand washing without demanding a permanent installation or a lot of your precious counter space. One of it’s biggest advantages is the setup. This is a complete, ready-to-use unit. You don’t need to drill holes or modify your cabinets.
Simply connect it to your kitchen faucet for water intake and let the drain hose run into your sink. Its compact footprint, about 17.7 inches wide, means it tucks away neatly. Despite the small size, the capacity is thoughtfully planned. It can handle up to 12-20 pieces of tableware in one go—plates, bowls, cups, and cutlery all together. For a small household or couple, this usually means you can wash all the dishes from a day’s meals in a single, efficient cycle.
This dishwasher is also notably water-efficient. It uses approximately 2 gallons of water per cycle, which is often significantly less water than running a sink for hand washing the same amount of dishes. It heats its own water using a hot plate system, ensuring hygienic cleaning. You have three main washing modes to choose from: a Quick Wash for lightly soiled items, a Standard Wash for everyday loads, and a Strong Wash for pots or dishes with baked-on grease.
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 designed for spaces where a full-size dishwasher isn’t an option, but you still want the convenience. It’s a self-contained unit that dosen’t require a permanent hookup, thanks to its built-in water tank and drain system.
This makes it incredibly versatile for apartments, small houses, dorms, RVs, or even as a secondary station in a larger kitchen.
With a capacity for up to six full place settings, it handles the daily load for a small household or couple easily. You can fit plates, bowls, cups, and utensils all in one go, which means fewer cycles and less time spent on kitchen chores.
It’s a real space-saver, measuring just over 15 inches in width and depth, so it tucks neatly on your counter without dominating it. The four anti-slip feet on the bottom help keep it stable and protects your surfaces from scratches.
You have five distinct washing programs to choose from, giving you control based on what’s being cleaned. The Quick Wash is perfect for lightly soiled items, while the Strong Wash tackles baked-on food.
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 dishwasher just won’t fit. If you’re living in an apartment, a dorm, an RV, or even just have a compact kitchen, this unit offers a full cleaning solution without any permanent installation. It’s a standalone appliance that gives you back the time and effort spent hand-washing.
One of it’s biggest advantages is the complete lack of complicated hookups.
There’s no need to drill holes or connect to plumbing under your sink. You simply plug it into a standard power outlet to get started. For water, you have two flexible options. The built-in 7-liter (about 6.35qt) tank lets you manually fill the machine at the top, which is perfect for true portability. Alternatively, you can use the included inlet hose to connect directly to your kitchen faucet when you want a more automated supply.
This dual system means it adapts to your specific situation, whether you’re in a temporary rental or on the road.
Despite it’s compact size, the cleaning performance is thorough. It uses a 360-degree dual spray system with an upper and lower arm to ensure water reaches every corner of your plates, glasses, and cookware. With 900W of power and a high-temperature wash up to 161°F, it tackles grease and dried-on food effectively.
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 is a compact solution designed to bring full-size dishwasher convenience to spaces where a traditional model won’t fit. Its sleek white design houses a surprisingly capable cleaning system, making it a practical choice for small households, apartments, dorm rooms, or as a secondary cleaning station.
This unit gives you four specialized washing modes to handle different needs.
The ECO mode provides a balance of cleaning and efficiency, while the Strong mode tackles tough, stuck-on food. For quick loads, the Rapid cycle saves time, and the dedicated Fruit setting offers a gentle clean for your produce. Dual spray arms with 360-degree rotating jets ensure water reaches every corner and item for a consistant clean.
It’s important to note the interior capacity; it can accommodate bowls up to 10.24 inches in diameter, and the overall unit measures 15.35 by 16.92 by 18.11 inches, so you’ll want to check your counter space.
One of it’s biggest advantages is efficiency. Compared to hand-washing, this dishwasher is designed to save on resources. It uses approximately 1.58 gallons of water and 0.58 kWh of electricity per cycle, which can lead to noticeable savings on your utility bills over time.
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
Let’s be honest, washing dishes by hand is a chore that eats up your time and energy. This portable countertop dishwasher is designed to give you that convenience back, especially if your space is limited. It’s a self-contained unit with a built-in 5-liter water tank, so you don’t need a permanent connection to your kitchen plumbing.
That makes it incredibly versatile for apartments, dorms, RVs, or even as a second dishwasher for busy families. Crafted from premium stainless steel, the interior offers reliable rust resistance and long-term durability. This sturdy material holds up to the moist environment of washing cycles, maintaining its look and function for years. You won’t have to worry about it degrading or looking worn out after repeated use. The core cleaning power comes from a smartly designed spray arm.
It has precisely positioned holes that direct water at optimized angles and pressure. This ensures thorough coverage across the entire rack, helping to lift off food residue and leaving your dishes streak-free and deeply cleaned. Setup is refreshingly simple. It’s designed for straightforward installation without needing a professional or any kitchen modifications. Basically, you just find a spot on your countertop, fill the tank, plug it in, and your ready to go.
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
If your kitchen space is limited but you’re tired of hand-washing dishes, this portable countertop dishwasher offers a serious solution. It’s designed specifically for small apartments, RVs, dorm rooms, or as a secondary cleaning station. The built-in 5-liter water tank is it’s key feature, meaning you don’t need a permanent connection to your sink.
You simply fill the tank manually, and the machine takes care of the rest, giving you true portability and easy setup. Durability was clearly a priority in its construction. The interior is made from premium stainless steel, which isn’t just about a sleek look. This material is inherently rust-resistant and built to withstand daily use, ensuring the unit maintains it’s performance and appearance for years. You won’t have to worry about plastic interiors warping or staining.
When it comes to cleaning power, the design is clever. The spray arm inside has strategically placed small holes that shoot water at specific angles and pressure. This creates a multi-directional spray pattern that reaches all corners of the compact interior. The result is a thorough, streak-free clean that powerfully tackles grease and stuck-on food residue from your plates, cups, and cutlery. It takes the effort out of getting things truly clean. Usability is where this model really shines.
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 spaces where a full-sized dishwasher just won’t fit, but you still want the convenience of machine-washed dishes. It’s a self-contained unit that gives you a lot of flexibility in where you can use it. Let’s talk about what makes this model work. First, its built-in water tank means you don’t necessarily need to hook it up to a permanent water line.
You can fill the tank manually, which is great for RVs, dorm rooms, apartments, or even an office kitchenette. The compact size, at 17.32 by 16.25 by 16.69 inches, lets it tuck into a corner of your countertop without taking over the whole workspace. Despite it’s small footprint, the interior is laid out to hold a surprising amount. You can fit multiple plates, bowls, cups, and utensils in a single load, which is usually enough for a day’s worth of dishes for a couple or a small family.
The cleaning power comes from its 785W motor, which generates water pressure up to 145 PSI to really spray away stuck-on food. It’s designed to handle everyday messes efficiently, saving you from scrubbing by hand. After washing, it uses an air dry function to help dishes dry without using heat, which is more energy efficient. They’ve also included several features for peace of mind. The unit has an IPX1 water resistance rating and multiple ventilation openings to manage moisture and heat.
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 a small household or as a secondary cleaning station. Its key advantage is it’s independence; with a built-in water tank, it doesn’t require a permanent connection to your kitchen plumbing. You can simply fill the tank, run the cycle, and let it drain into your sink.
This makes it incredibly versatile for apartments, dorms, RVs, or kitchens where installation isn’t an option.
Despite its modest footprint (15.6 by 15.4 by 16.9 inches), it offers a surprising large capacity. You can fit up to six full place settings inside, which means plates, bowls, cups, and all your utensils from a meal can be cleaned in one go. The machine features five distinct washing programs to handle different tasks.
The Quick Wash is for lightly soiled items, while the Strong Wash tackles baked-on food. There’s a dedicated setting for gently cleaning fruits and vegetables, a self-cleaning mode to maintain the machine, and a disinfect function for a more thorough sanitization.
Efficiency is a major highlight. This dishwasher uses a maximum of just 1.32 gallons of water per cycle, which is typically a fraction of what you’d use washing the same amount by hand.
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 solution designed for spaces where a full-sized dishwasher 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 cleaning power without taking up much of your precious counter space.
Its ultra-compact design has a small footprint but can still hold up to 2-6 sets of dishes, making it perfect for individuals, couples, or small families.
You get five distinct washing programs to handle different needs. The quick wash is great for lightly soiled items, while the strong wash tackles tougher, baked-on food. There’s a dedicated fruit and vegetable wash cycle, plus a self-cleaning and purification program to keep the machine itself fresh.
Operation is straightforward—you can activate the dishwasher with just one button. It uses 72°C hot water for a thorough clean, and cycles run between 35 to 55 minutes, which is pretty efficient for a machine of its size.
A key feature is the 360° rotating spray arm located at the bottom. This arm spins to ensure water and detergent reach every corner of the load, helping to remove even stubborn stains from your plates, glasses, and cutlery.
Countertop Dishwasher With Water Tank Buying Guide
A countertop dishwasher with a water tank operates without a direct hookup. This are a game-changer for small kitchens, dorms, or RVs. You simply fill teh tank, and it recycles that water through its cycles. No plumbing needed. But how do you choose the right one for your space and habits? Let’s look at the key factors.
Water Tank Capacity and Efficiency
How often do you want to refill the tank? A larger tank might handle more dishes per cycle, but it also takes up more space and requires more water to fill. A smaller tank is compact but may need refilling mid-wash for larger loads. Check the manufacturer’s specs for how many place settings it cleans per tank. Efficiency matters—some models cleverly filter and reuse water effectively, getting more washes from a single fill.
Size and Counter Space
Measure your available space twice. These units are portable, but they’re not tiny. You’ll need room for the dishwasher itself, plus space to open the door and load it comfortably. Consider the clearance in front and above. Will it fit under your cabinets? Also, think about weight when full; a full water tank makes it heavy, so you’ll want its final spot to be permenant.
Cycle Options and Noise Level
Don’t assume all cycles are created equal. Look for essential options like a quick wash for lightly soiled items and a sanitizing rinse for germs. A delay start can be handy. Noise is a big deal in small living areas. These dishwashers can be surprisingly quiet, but some hum noticeably. If you work from home or have an open studio, reading user reviews about operational sound is a smart move before you buy.
Drying Performance
The job isn’t done until the dishes are dry. Some models rely on residual heat from the final rinse (condensation drying), which can leave plastics damp. Others offer a fan-assisted or heated drying option for better results. If you hate towel-drying everything, prioritize a model with a dedicated, effective drying function. It makes all the difference in your daily routine.
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. This makes it perfect for small kitchens, dorms, or apartments where a permanent hookup isn’t possible.
How does teh water tank system work?
You manually fill the removable tank with water before each cycle. The machine pumps this water through it’s spray arms to clean your dishes. After washing, the dirty water drains into a separate container or a sink you place the drain hose into.
How many place settings can it hold?
Most models hold around 4 to 6 standard place settings. That’s usually enough for a day’s worth of dishes for one or two people. It’s great for smaller loads, but not for large pots or baking sheets.
Is it difficult to setup and use?
Not at all! Setup is simple. You just place it on a counter, fill the tank, and plug it in. Using it is straightforward: load your dishes, add detergent, select a cycle, and press start. No special installation is needed.
How well does it actually clean dishes?
These dishwashers clean very well for their size. They use heated water and strong spray jets, just like full-size models. For best results, scrape off large food bits first. They handle everyday plates, glasses, and cutlery with ease.
Do thay use a lot of water and electricity?
They are generally more efficient than hand washing. A typical cycle uses about 2 to 4 gallons of water, which is less than running a faucet. They do use electricity to heat the water and run the pump, but modern units are designed to be energy efficient.
Where does the dirty water go?
The machine pumps the used water out through a drain hose. You place this hose directly into your kitchen sink or into a separate container that you empty afterwards. It’s a simple two-step process: fill with clean water, then direct the dirty water out.
What are the main benefits over hand washing?
It saves you time and uses hotter water for better sanitation. It also saves water compared to washing under a running tap. Your dishes get consistently clean, and you avoid having to stand at the sink.
One Last Look
A portable cleaning solution, independent of permanent plumbing. It’s a simple idea that gives you back time and space. You don’t need to remodel your kitchen or commit to a major install. Just find a spot, fill the tank, and press start. It’s that straightforward.
For small households, busy renters, or anyone wanting a simpler daily routine, this approach makes perfect sense. The right countertop dishwasher with water tank fits into your life as it is. It offers a real helping hand without the hassle. Consider your needs, measure your space, and you’re well on your way to easier clean-up. It’s a smart choice for modern living.








