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San Antonio is a beautiful city, rich in history, located in the heart of south-central Texas. Millions of people call this area home and if you’re one of them you might be curious about the quality of San Antonio drinking water. San Antonio tap water is tested frequently and the results of what contaminants are in the water are public knowledge. That said, the information isn’t always the easiest to find, which is why we’ve listed all the basics that you need to know about San Antonio tap water. Keep reading to learn more about San Antonio water quality as we answer the question – Is San Antonio tap water safe to drink?
Where Does San Antonio Tap Water Come From?
San Antonio tap water is serviced by the San Antonio Water System, or SAWS. SAWS has been handling the water since its creation in 1992. It is the largest water system in Bexar County, Texas. The San Antonio Water System gets the San Antonio tap water from Edwards Aquifer and it is treated and flows into the eight counties that make up the San Antonio metropolitan community.
Can you Drink San Antonio Tap Water?
Like all cities, San Antonio drinking water is cleaned for most contaminants. It is checked several times a year to make sure that it is safe to consume and free of high levels of anything harmful. Still, that does not make the San Antonio water quality perfect. In fact, while it does pass safe drinking standards, the results still show a number of potentially harmful contaminants in San Antonio tap water. Can you drink San Antonio water if there are contaminants in it? Well, you could. The city does not believe that any harm would come to residents that do. Of course, if you’d like further protection and less contaminants, the easy answer is to get a water filter.
In addition to removing chemicals and contaminants, a water filter can improve the taste of your water. If you have hard water or are in an area that requires significant chemicals to treat your water, you may notice that it just doesn’t taste good. A water filter will remove many of these impurities and allow your water to taste crisp and delicious again!
What’s in the Water: Is San Antonio Tap Water Safe to Drink?
San Antonio drinking water has a total of 26 contaminants floating around in it, according to testing that has been done. Contaminants are split into two categories. There are those that appear in higher levels than what is considered healthy and then there are the contaminants that are detectable but not over the levels.
Of the 26 contaminants in San Antonio tap water, nine of them are above the health guidelines. All nine of these contaminants are known carcinogens, so they could contribute to various types of cancer. They include:
- Chromium (hexavalent)
- Dichloroacetic acid
- Radiological contaminants
- Total trihalomethanes (TTHMs)
- Trichloroacetic acid
The other 17 contaminants in San Antonio drinking water include:
- 1,4-Dioxane – A cancer-contributing solvent caused by industrial runoff
- Bromochloroacetic acid – A byproduct of disinfection that can cause cancer
- Chlorate – A byproduct of disinfection that can lead to thyroid functioning impairments
- Chromium (total) – This is found in San Antonio tap water as a result of industrial usage.
- Cobalt – This metal is often found in food and in tap water
- Dibromoacetic acid – One of five haloacetic acids. Each can increase the likelihood of cancer and problems during pregnancy. Monobromoacetic acid and Monochloroacetic acid are also found in San Antonio tap water
- Fluoride –Fluoride is usually added to water, but it also occurs naturally
- Haloacetic acids (HAA5) – This group of five acids are a byproduct of disinfection. Each of the five acids can increase issues during pregnancy and cancer.
- Molybdenum – This naturally occurring metal can cause symptoms like gout
- Nitrate – A fertilizer chemical that can cause cancer. It also causes oxygen deprivation in infants.
- Nitrate and Nitrite – A product of fertilizer and urban runoff. Both of these contaminants have the ability to cause oxygen deprivation in small children and to increase the odds of cancer.
- Strontium – This metal gathers in your bones and will up the chances of bone cancer
- Tetrachloroethylene (perchloroethylene) – This dry-cleaning chemical can increase the risk of cancer.
- Vanadium – This metal is commonly found in water. In higher doses, it can be toxic to pregnant women and children
- Xylenes (total) – This industrial solvent can cause damage to the nervous system.
Water Filter Recommendations
Is San Antonio tap water safe to drink? While it passes the standards set by the local and federal governments, it still has some contaminants in it. The only way to rid your San Antonio drinking water of those contaminants is to use a water filter. San Antonio water quality isn’t terrible, but it will be much better by adding a water filter. Luckily, water filters are easy to purchase and install, and usually are fairly priced.
If you’ve never purchased a water filter, it’s probably a lot easier than you might think. Once you know what you need it will be easy to make the right choice. A simple solution for many homeowners is a whole house water filter. Of course, if you’re on a budget, or don’t need something that will cover the whole house, you can invest in faucet water filters or countertop water filters. Water filter pitchers are a good if you’re looking for a cheap way to better your San Antonio drinking water. Some water filters we like include:
- Whole House Filter – iSpring WGB32B
- Faucet Water Filter – DuPont WFFM350XCH
- Water Filter Pitcher – AquaGear Water Filter Pitcher
- Countertop Filter – APEX MR-1050
Is San Antonio tap water safe to drink? We would recommend getting a water filter for ultimate protection. While the San Antonio water quality isn’t the worst in the US, there are contaminants that can be removed, which you don’t need to consume. If you have any questions, feel free to let us know in the comments.
Ph.D. graduate working as a water quality consultant for many government agencies helping them find solutions to the ever-growing problem of polluted water. Loves a good coffee!