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Is El Cajon Tap Water Safe to Drink?

Not Enough Data

LAST UPDATED: 12:53 pm, April 8, 2021

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Can You Drink Tap Water in El Cajon?

We don't have enough information to make a specific recommendation about the safety of drinking tap water in El Cajon, California.

However, based on information from nearby locations, the average water score in California is a out of 100.

Tap Safe includes data from many publicly available sources, including the WHO (World Health Organization), CDC (Center for Disease Control), and user submitted databases, but unfortunately there's not enough data about El Cajon.

To see user submitted ratings of the water quality for California, see the "User Submitted Ratings" box on this page.

Click here to check out the water quality for California

Many people think that tap water is safe and tastes good. If you are a resident of El Cajon United States, you have been informed that it is actually very different.

In El Cajon, a major source of drinking water is from the San Gabriel River and then it is purified through a series of steps before it reaches your home. There are also a few sources that are used for the purpose of cleaning water, like wells or dams. These sources are in the area of Los Angeles, but they also can be found in Orange County as well.

You might wonder what the reason is for filtering water to be so bad. The truth is that if you drink tap water in El Cajon, you are at risk of various diseases that come from drinking contaminated water. This type of water will also put you at risk of cancer, heart disease, and stroke. It also contains chemicals and contaminants that have been linked to these diseases.

Many people do not realize that there are a lot of contaminants


El Cajon tap water
  • Drinking Water Pollution and Inaccessibility 30% Low
  • Water Pollution 40% Moderate
  • Drinking Water Quality and Accessibility 70% High
  • Water Quality 60% High

The above data is comprised of subjective, user submitted opinions about the water quality and pollution in El Cajon, measured on a scale from 0% (lowest) to 100% (highest).

Related FAQS


Always take extra precautions, the water may be safe to drink when it leaves the sewage treatment plant but it may pick up pollutants during its way to your tap. We advise that you ask locals or hotel staff about the water quality. Also, note that different cities have different water mineral contents.

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