Best Water Filter for San Diego California — (Specific Filter for a Special City) 

San Diego, California is one of the cities in America that provides relatively clean and safe water. It is generally kept under the EPA- administered levels in parts per million.

But water can travel from one place to another, mixed with different contaminants. So wherever you live, you can’t ignore the importance of safe drinking water. That’s why you will need to have the best water filter for San Diego as a concerned resident.


However, water filters are one of the most demanding things in our everyday lives. It does not matter whether your cities or countries have fresh and clean water. If you have a water filter at home, it will reduce your anxiety from drinking the water that might be bad for your health. 

But if we study deeply about the condition of the water in San Diego, you will see many residents of this city complain that the taste of the water is terrible due to excess amounts of chlorine. Balancing the part of this chemical can be difficult for the suppliers. For this reason, it would be a great idea to have one filter at home. 

Is the Tap Water in San Diego Safe to Drink?

If you are planning to live or reside in San Diego, it is essential to know about the condition of the water as it is part and parcel of our life. The tap water in San Diego, California is generally safe to drink, but you know water gets easily mixed into chemicals or dirt particles. The EPA and EWG control San Diego tap water. Despite these regulations, water may still be contaminated. 

What are the Best Water Filters for San Diego?

As the days pass, people become dependent on the water filtration system, and there are many different kinds of water filters in the market. Of course, you will get many filters, but choosing the premium and upgraded model of water filters is essential.

Now’s the time to have a deep look and expert analysis, opinion & verdicts on these specialized water filters for San Diego.

IMAGE PRODUCT Price on Amazon
APEC Water Systems RO-90
Best for Families
APEC Water Systems RO-90
  • Materials: Polypropylene
  • Capacity: 90 gallons
  • Duration: 12 months 
  • Why are these filters good options for San Francisco: Capable of removing 99% of chloramines, chlorine, lead, Fluorides, virus, heavy metals, and 1000 plus contaminants
Brita Extra Large 18 Cup Filtered Water Dispenser with 1 Standard Filter
Best for Personal use
Brita Extra Large 18 Cup Filtered Water Dispenser with 1 Standard Filter
  • Materials: Polystyrene
  • Capacity: 40 gallons
  • Duration: 6 months 
  • Why are these filters good options for San Francisco: Capable of removing since, cadmium, copper, mercury, chlorine, etc
PUR PLUS Faucet Mount Water Filtration System
Bes for Kitchen
PUR PLUS Faucet Mount Water Filtration System
  • Materials: Plastic
  • Capacity: 100 gallons
  • Duration: 2 to 3 months 
  • Why are these filters good options for San Francisco: It can remove lead, mercury, pesticides, chlorine, fluoride, and other 70 plus harmful contaminants
iSpring WGB21B 2-Stage Whole House Water Filtration System
Best for Whole House
iSpring WGB21B 2-Stage Whole House Water Filtration System
  • Materials: Polypropylene
  • Capacity: 50000 gallons
  • Duration: 2 to 3 months 
  • Why are these filters good options for San Francisco: 90% of chlorine, pesticides, herbicides, heavy metals

1. APEC Water Systems RO-90

APEC Water Systems is one of the best water filters for San Diego. This is because it can eliminate the contaminants found in San Diego, California. Some of the exciting features of these water filters are: 

APEC Water Systems RO-90 :

Modern design faucet: This water filter features a 360-degree rotation of a smooth disc valve, and it gives lead-free flawless chrome finishing, which looks modern and stylish.

Durability: It is probably the most durable system in production that ensures safety and well-being for our health. Not only the design, but it can also remove arsenic, lead, chromium 6, chlorine, fluoride, virus, and more than a thousand contaminants.

Five Stage Filtration System: This water filter is an excellent, top-quality water filter because of the five Stage Filtration System.

*First stage: super capacity sediment filter

*Second stage: super capacity carbon block,

*Third stage: super capacity carbon block,

*Fourth stage: Top Tier Filmtec RO membrane.

*Fifth stage: refining coconut carbon filter. All these stages remove different types of contaminants. 

Super Capacity filter:  If you have prominent family members, this filter is suitable for you. It is two times larger than other types of filters that are capable of removing all the harmful chemicals generally found in the San Diego tap water or drinking water. The good thing about this filter is that it offers supreme satisfaction. You can get a lifetime warranty and a 2-year manufacturer’s warranty.

  • Affordable
  • 2-year warranty
  • It offers an excellent taste and smell
  • Modern design ha as 360-degree rotation that helps to turn on the filter
  • Double capacity
  • It last two times longer than other types of filters
  • Five stage filters
  • It can remove arsenic, barium, cadmium, chromium, fluoride, copper, lead, and more.
  • No clogging of impurities
  • Easy cleaning
  • No leakage of water
  • It does not require batteries
  • Installation is easy if you are experienced enough. But if you are new to this, you may face difficulties
  • It takes to time to fill the water, and some of the customers complained that after using it for a few months, it slows down the functions
  • The task does not fill

2. Brita Extra Large 18 Cup Filter:

Brita is probably the best water filter for the people who use filters all the time. This filter may not remove 100% chemicals from the water, but it can remove the harmful chemicals found in San Diego, California.

2. Brita Extra Large 18 Cup Filtered Water:

Space efficient water filter: This is perfect in shape and size. It is a slim and modern design that can easily fit on all refrigerator shelves and the countertop. These filters offer clean and fresh water.

The quality of this dispenser is top-notch, which has an 18-Cup capacity that is suitable for prominent families, sports fields, and the office. If you have small children or older adults at home, this filter is a good choice because you can pour water quickly using a fixture that helps fill any glass or bottle.

Goodbye harmful chemicals: This filter is one of the promising filters that will provide you with clean and safe water for your families and friends. It can eliminate zinc, chlorine, cadmium, copper, mercury, and more. In addition, as it is an activated carbon and ion exchange system, it can efficiently improve the taste, smell, and color of the water. 

  • Easy installation
  • Quick cleaning
  • The faucet is designed perfectly
  • BPA-free is made of premium quality plastic where no chemical leaks out from the filters.
  • Space-efficient design
  • Suitable for families, office or hospital
  • The lid is tightly fit onto the filter, with no water leakage.
  • Easy pouring
  • Unique aeration design
  • It saves plastic and environmentally
  • It does not fit into the other Brita filters
  • It is quite heavy

3. PUR PLUS Faucet Mount Water Filtration System:  

Pur water filter is one of the most demanding filters due to its upgraded version. The manufacturers of this brand have been trying to improve the quality of the water filter internally and externally. Hence, some of the exciting features and people love to buy this product.

PUR PLUS Faucet Mount Water Filtration System:

Easy to set up: If you are a newbie and do not know how to set up the water filter without paying extra money to the plumbers, I think it will be a good choice for you. The faucet mount water filters are too fastened, no tools are required, and all the instructions are written inside the package, making users comfortable and confident. 

These filters are adjustable with most faucets, but they can not be fitted into put-out or handheld faucets. This filter is not good from the outside but also capable of eliminating 70 plus contaminants certified by the experts after examining it. 

Activated carbon and ion exchange system: I think the most demandable purification methods are started carbon block and ion exchange system, which is capable of removing heavy metals like lead, fluoride, mercury, cadmium, radium, uranium, and it features exclusively mineral core technology that provides easing aroma and smell of water.

As water pollution increases rapidly in the environment, we should throw plastic bottles here and there. I think this filter will help save plastic, and it is capable of storing 100 gallons of filtered water equal to 750 plus single plastic bottles. 

  • It removes contaminants 10 times faster than the Brita water filter
  • Easy to install
  • Saves environment and plastic
  • Affordable
  • It does not require batteries
  • Strong and sturdy
  • Long-lasting
  • Excellent smell and taste of water
  • Does not compatible with other PUR water filters
  • It is bulky

4. iSpring WGB21B 2-Stage Whole House Water Filtration System:

iSpring WGB21B 2-Stage Whole House Water Filtration System is not less than any other type of water filter. Although, it is pretty expensive than the products I reviewed above. But spending on a good quality product is okay, right?

iSpring WGB21B 2-Stage Whole House Water Filtration System:

Let’s get familiar with its unique features. 

Whole house shelter by unwanted chemicals: If you have a large house, this filter is perfect for you as it can be operated for dishwashers, washing machines, water heaters, and under sink water filtration systems. The installation method is relatively easy.

So you do need to be worried about spending extra money for buying different tools or paying extra money to the plumbers. Another mind-blowing feature is the two-stage advanced Filtration System.

One part is the carbon block that removes chlorine, lead, heavy metals, fluoride, etc. The second part can remove sediments, dust, sand, large particles, and rust. 

Large capacity: This filter can store 500000 gallons of water suitable for prominent family members and offices. If you have any problem with your water filter, you can be backed by a one-month money-back guarantee and a one-year warranty. For this, I think it is one of my favorite filters that gives us flexibility and peace. 

  • Easy installation
  • 1-year warranty
  • Removes all types of contaminants found in the San Diego Drinking Water
  • Offers Excellent taste, smell, and color
  • Strong and sturdy materials are used to make this filter so it can be used for a long time
  • No corrosion if you maintain it properly
  • Whole House Protection
  • It can remove arsenic

How to Choose the Best Water Filtration System in San Diego?

Since you live in San Diego, knowing what features of the water filtration system you seed is essential. As there are many kinds of water filters in the market, you might get confused. If you are a newbie in selecting water, these words may help you choose the best water filtration system in San Diego, California. 

  • Filters that can remove types of contaminants that are found in San Diego
  • The water filtration system that uses softener

Filters that Can Remove Contaminants Found in San Diego:

We need to know what kinds of pollutants can be found in your areas. The level of alkalinity and chemicals varies according to the pollution in your cities.

For this reason, I think it is essential to understand the types of filters and contaminants that can be eliminated through the water filtration system.

To find the San Diego tap water information, I tried to collect some information from  San Diego Public Utilities and the US Environmental Protection Agency.

The experts say that the San Diego tap water is contaminated by chromium 6, lead, PFAS, radium, uranium, and chlorine. Chlorine and fluoride are not harmful if the amount is balanced. So you do not need to worry, and any kinds of filters can be used to remove these elemental dirt particles and chemicals easily. 

The Water Filtration System that Uses Softener:

As you know that San Diego water is hard. So you should buy a filter that can make water soft. For this, you need to set up a filter that has a softener technology system. If you are thinking of a filter for hard water, you can achieve this by installing an ion exchange system. Some of the filters that have softening system are: 

  • Ion Exchange Water Softening System
  • Reverse Osmosis System
  • Nucleation Assisted Crystallisation Whole House Water system

Frequently Asked Questions:

Q1. Does California tap water have chlorine?

California tap water has chlorine and other chemicals that come from the components mixed with chlorine, like chloramines. It is said that chloramines and chlorine are safe for drinking water by the US EPA, the California Department of Public Health, and the National Sanitation Foundation. 

Q2. Is San Diego tap water hard or soft?

Let’s compare San Diego tap water with other cities of America. We will see that San Diego tap water is the hardest of all. The hardness of California tap water is between 270 to 280 parts per million.

Q3. Is San Diego water fluoridated?

Yes, San Diego water has been fluoridated since 2011 May. Fluoridated water has good and bad sides. It is useful when it is adequately treated. In San Diego water, the level of fluoride in the water is 0.1 to 0.4 parts per million. Therefore, you do not need to worry too much as the condition of San Diego water is considered safe to drink in general. 


A water filter is one of the things that keeps our health healthy. In our previous article, I have written about water filters hoping you get to know about the best water filters for San Diego. The APEC Water Systems RO-90 is my favorite among all these water filters.