How To Choose A Water Filtration System For An RV

Choosing a water filtration system for an RV can be daunting, but it is essential to ensure clean and safe water during your travels. With so many different water filtration systems on the market, narrowing down your options and deciding which system is right for you can be daunting.

Firstly, consider the capacity of the filtration system and the size of your RV’s water tank. It is also important to check the type of contaminants the filter can remove, such as sediment, bacteria, or chemicals. Next, consider the system’s installation and maintenance requirements and whether it is compatible with your RV’s plumbing system.

Comparing prices and reading reviews from other RVers can also help make an informed decision. Adventures. We will assist you in selecting a water filtration system for your RV, ensuring safe and clean water for your camping experiences.

Benefits of an RV Water Filtration System

One of the essential additions to any RV is a water filtration system that prevents sediment, impurities, and organic compounds from backing up your RV lines. These common contaminants can cause severe and costly damage to your vehicle’s plumbing, leading to expensive repairs and frustration on your trip.

A water purification system prevents clogs and extensive damage to your RV’s water system. It saves you money in the long run by eliminating the need to purchase bottled drinking water. Instead, you can have peace of mind knowing that the water you drink and use for cooking and showering is clean and safe.

An RV water filter protects the freshwater tank and ensures that contaminants and bad tastes are eliminated before they reach the tank, providing clean water for your entire trip.

A high-quality RV water filtration system will also help prolong the life of your plumbing and appliances while keeping your water pressure high and your pipes flowing efficiently.

Types of RV Water Filtration Systems

When it comes to choosing a water filtration system for your RV, there are several options available. The type of system you choose will depend on your specific needs and RV setup. Four common types of RV water filtration systems are inline filters, canister filters, carbon filters, and pre-filter cartridges.

Each system offers unique benefits and is designed to remove different contaminants from your water supply. By familiarizing yourself with the different types of filtration options available, you can make an informed decision and ensure you have clean and safe drinking water on your travels.

Inline Filters

When choosing a water filtration system for your RV, one popular option is an inline filter. As the name suggests, an inline filter is installed directly into the water line, usually near the entry point of the RV. This type of filter is designed to remove impurities and contaminants from the water supply as it flows through the line.

One of the advantages of an inline filter is that it’s a convenient way to ensure that all of the water coming into your RV is filtered, not just the water from a single faucet or source. Plus, it requires no additional storage space or installation beyond a typical filter.

However, it’s important to note that not all inline filters are created equal. They typically have a micron rating of 10 or less, meaning they can remove many contaminants, including sediment and organic compounds. Inline filters are a convenient and effective way to improve the quality of the water supply in your RV.

Canister Filters

Unlike inline filters that are installed on the water hose, canister filters are contained in a separate unit that can be easily installed and removed from the water supply. Canister filters come in various shapes and sizes, with various filtering materials available.

These filters can contain distinct filters, such as sediment, carbon, or reverse osmosis, enabling a multi-stage filtration process for even better water quality. In addition, some brands offer multiple canisters, allowing for a two-stage system, providing superior particle and chlorine removal.

The filtering materials used in canister filters are more sophisticated than those in inline filters. As a result, they can handle a wider variety of water sources, including city water, well water, or even natural sources such as lakes or rivers.

The Clear Source brand is a popular option for high-quality canister filters. Overall, canister filters are smart for RV owners who want the best possible water quality for their onboard kitchen sink and drinking water supply. In addition, these filters provide a higher level of protection against organic compounds and work well with larger RV freshwater tanks.

Carbon Filters

Carbon Filters are becoming increasingly popular for RV travelers who want to ensure the water quality they consume and use on the road. These filters are highly effective at removing impurities and enhancing the taste and odor of water, making them an ideal choice for RV Water Filtration Systems.

One of the primary benefits of Carbon Filters is their ability to adsorb chlorine and chloramine commonly found in city water, which can make water smell and taste unpleasant. The filters contain activated carbon that traps these chemicals, resulting in a significant improvement in water quality.

Besides, Chlorine and Chloramine can pose a health risk when ingested, especially for those with weaker immune systems. Carbon Filters with smaller micron filtration sizes are especially suitable for filtering water from rivers, lakes, or other water sources with high impurities.

Pre-Filter Cartridges

Pre-filter cartridges play an essential role in an RV water filtration system. They act as the first line of defense, removing larger particles like sediment and debris before the water enters the main filtration system.

When choosing a pre-filter cartridge for your RV, there are a few important factors to remember. The first is the cartridge’s micron rating, which indicates the size of the particles the cartridge can capture.

The higher the micron rating, the larger the particles that can be filtered out. Be sure to choose a pre-filter cartridge with a micron rating appropriate for the water sources you plan to filter.

Another important consideration is the flow rate and lifespan of the cartridge. The flow rate indicates how quickly water can pass through the cartridge, while the lifespan refers to how long the cartridge will last before needing to be remove contaminants.

Depending on your location, the water sources available may contain different sediment levels or other particles that require specific filtration. By identifying the specific contaminants, you want to remove, and you can choose a pre-filter cartridge designed to meet those needs.

Factors to Consider When Choosing a Water Filtration System for an RV

When choosing a water filtration system for your RV, there are various factors to consider. First and foremost, your budget will play a significant role in your chosen system. Additionally, the size of your RV’s water tank and water supply will impact which filtration options are available to you.

It’s important to consider the removal of sediment, bad taste, organic compounds, and other impurities to ensure you’re getting the cleanest water possible.

Finally, maintenance needs and costs should be evaluated to ensure you can properly care for your filtration system over the long term. By considering all of these factors, you can find the best water filtration system to keep your RV’s water supply clean and safe.


When looking for a water filtration system for an RV, it is crucial to consider your budget. Having a budget in mind can help you avoid overspending on a system that does not meet your needs. Depending on the model, water filter prices range from under $20 to several hundred dollars.

The Camco Evo RV Water Filter is one of the best budget options for RV water filtration. This filtration system features a 5-micron fiber barrier filter cartridge, which removes particles and sediment.

It also filters water through Kinetic Degradation Fluxion (KDF) material and granulated carbon, which removes bad tastes, odors, chlorine, and organic compounds.

The Camco Evo RV Water Filter provides clean, fresh-tasting water for drinking and cooking, surpassing some pricier options. A reverse osmosis filter may be preferred for its ability to produce extremely pure water, even if the level of purity is not necessary for your needs and it is a very expensive filter.

Size of the Tank and Water Supply

Selecting an appropriate RV water filtration system requires careful consideration of the size of your freshwater tank and water supply. Therefore, before purchasing a filtration system, it’s essential to determine the size of your freshwater tank and how much water you typically consume during an average trip.

Knowing the size of your tank can help you select a filtration system that can accommodate your water needs. For example, if you have a small tank and frequently run out of water, you’ll need a filtration system that can replenish your water supply quickly.

On the other hand, if you have a larger tank, you might want to consider a system that can handle more significant volumes of water. The type of water supply available to you is also essential to keep in mind.

Whether you’re hooking up to the city, well water, or filling up your freshwater tank, it’ll influence the water filtration system you need. For example, if you’re relying on a well for water supply, you may need a sediment filter to remove any harmful particles or dirt that might be present.

Removal of Sediment, Bad Tastes, Organic Compounds, and Other Impurities

When choosing a water filtration system for your RV, it’s essential to understand the different types of contaminants that can be found in water and how they can affect your health.

For example, contaminants like bacteria, viruses, and parasites can cause severe illnesses such as cholera, typhoid, or dysentery. Also, heavy metals such as mercury and lead can harm your health significantly, resulting in kidney, liver, or brain problems.

Fortunately, an RV water filtration system can remove many impurities that can harm your health, including sediment and bad taste, organic compounds, and pollutants. Sediment and bad tastes mainly come from the water supply, originating from natural sources such as rivers or underground aquifers that may contain dirt or sand particles.

Organic compounds can come from human-made sources like pesticides or fertilizers and can cause problems if ingested in large quantities. Pollutants like lead and arsenic can also be present in the water supply and pose health risks.

These factors will help you select the best filtration system for your RV and provide you with clean and safe drinking water during your travels.

Maintenance Needs and Costs

Maintaining a water filtration system ensures that your RV consistently has clean drinking and cooking water. While the precise maintenance needs and costs of a water filtration system depend on its type and structure, some basic factors must be considered.

Almost all RV water filtration systems require filter changes, so it is essential to be aware of the specific maintenance requirements of your system. For instance, sediment filters need periodic checking to prevent debris from accumulating, which can lead to expensive maintenance costs down the road.

4Carbon filters, conversely, usually need replacement after adsorbing a predetermined amount of water. UV systems require a replacement lamp once a year.

Reverse osmosis pre-filters must be replaced every six months. Therefore, it is important to consider whether the overall maintenance is within budget before settling for a water filtration system.

Preparation Steps Before Installing the Filter

When it comes to providing clean and safe drinking water for your RV, a water filtration system is an essential component. But before you start installing your RV water filter, there are a few preparation steps that you need to take to ensure you get the most effective and efficient filtration system for your needs.

First, you must identify where to install your RV water filter. Various water filtration systems are available, including inline filters, canister filters, carbon filters, and pre-filter cartridges. The location you choose for your filter can determine the type of filter you need, so it’s essential to decide on a location first.

The next step is to check if your RV is set up for an exterior water filter. Some RVs are pre-equipped with exterior water filters, while others may not have the necessary fittings or adapters.

If your RV is not set up for an exterior filter, you must purchase the necessary fittings and adapters to ensure your filter can be installed correctly.

Before you purchase a water filter, it’s essential to test the water pressure of your RV using a pressure gauge. Different types of water filters come with different pressure ratings.

By checking your RV’s water pressure, you can ensure you choose a filter that can handle the pressure of your water system.

Finally, Evaluate your water source to determine the best filter technology to use. Different filter technologies are designed for specific contaminants, so it’s essential to understand the quality of your water source.

A water test can help you identify the contaminants in your water and, in turn, help you choose the most effective filter technology for your needs.

Frequently Asked Questions [FAQs]

1. What Is The Most Effective Water Filter For An RV?

The best water filter for an RV will depend on your needs and preferences. It is important to consider the size of the filtration system you need and the type of contaminants you wish to remove. In addition, it is important to research installation requirements and maintenance procedures for the filter chosen.

2. What Micron Filter For RV?

The micron filter size for your RV will depend on the type of contaminants you wish to remove. For example, smaller micron filters are good for removing sediment and bacteria, while larger micron filters can remove chemicals, heavy metals, and other dissolved solids.

Depending on your water source, it may be necessary to use a combination of different-sized filters in order to achieve optimal fil traction results.

3. How Do I Know What Size Water Filter I Need?

To determine the size of the water filter you need, start by assessing your RV’s water tank size. This will give you an idea of how much water needs to be filtered at any given time.

You should also consider the type of contaminants you wish to remove from your RV’s water supply, as this will help narrow down which filters are best suited for your needs.

4. What Is Better, 5 Microns Or 1 Micron?

The choice between 5-micron and 1-micron filters will depend on the contaminants you wish to remove from your RV’s water supply. Generally, a 5-micron filter is best for removing sediment, dirt, and other particles from the water, while a 1-micron filter is better for removing chemicals, heavy metals, and other dissolved solids. It may be necessary to combine both filter types to achieve optimal filtration results.

5. What Are The Negatives Of Water Filters?

One of the negatives of water filters is the cost of purchasing and maintaining them. Additionally, some filters require professional installation, which can add to the cost. Water filters also need to be replaced regularly, depending on the type and quality of the filter used.

Finally, certain water filters may not be able to remove certain types of contaminants from your RV’s water supply.


Choosing the right water filtration system for your RV ensures clean and safe drinking water on your travels. With so many options available, deciding which one is right for you can be overwhelming. Consider your budget, the type of camping you’ll be doing, and the water quality you’ll encounter on your travels. Always read reviews and do your research before making a purchase. Remember, investing in a quality water filtration system now can save you money and potentially even your health in the long run.


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