Do people get sick from water in Mexico?
Christopher Snyder
Updated on March 01, 2026
Despite the increasing number of water filtration systems being implemented within Mexico, the answer remains a resounding "No." Ingesting water tainted with bacteria is an easy way to get yourself very sick. But don't let that change your vacation plans.
Why does drinking water in Mexico make you sick?
Exposure to bacteria, viruses, or parasites that might remain in the water can cause gastrointestinal upset and other unpleasant symptoms, sometimes severe enough to wreck your vacation.Why don't Mexicans get sick from the water?
Just like it is in the US, water in Mexico has tiny parasites floating around inside. The thing is, parasites in Mexico's water are different than those found in our own tap water. Your body can tolerate parasites when it grows familiar with them, so naturally we don't get sick from water we grow up drinking.What happens if you drink water from Mexico?
Tap water in Mexico is generally not safe to drink. Even though most municipal water departments across the country purify the water at their facility, it can become contaminated on its way from to your tap. Unfortunately, there is no way to know short of taking a drink and waiting to see if you get sick.What is it called when you get sick from Mexican water?
Traveler's diarrhea is a digestive tract disorder that commonly causes loose stools and abdominal cramps. It's caused by eating contaminated food or drinking contaminated water. Fortunately, traveler's diarrhea usually isn't serious in most people — it's just unpleasant.Is It Safe to Drink the Tap Water in Mexico?
How long after drinking water in Mexico do you get sick?
Symptoms typically appear within six to 24 hours after a bacterial or viral infection. It may take one to three weeks for signs of an intestinal parasite infection to show up. This may explain traveler's diarrhea that occurs a week or more after returning home. Symptoms are usually mild.Why can't I drink water in Mexico?
As a rule, you should not drink tap water in Mexico. Generally, the water is purified at the source, but the distribution system may allow the water to be contaminated en route to the tap.What bacteria is in Mexico water?
In short, there's no one type of bacteria exclusive to Mexico water, but some types of microorganisms in Mexico water can include giardia and e. coli.Can you shower in Mexico water?
Can you shower in Mexico water? Yes — The water is absolutely safe to shower in.Is it safe to drink water in Mexican resorts?
As a precaution you should not drink tap water in Mexico even if it's purified at the source. Most resorts and hotels provide bottled water or large jugs of purified water for you to refill your bottle.Can you drink the tap water in Mexico City?
For the most part, water around Mexico, especially in Mexico City is purified. The problem is that the method of transporting the water from the treatment centers to the tap where the water comes out is often old, full of heavy metals, and sometimes a touch dirty.Can you wash dishes with tap water in Mexico?
Washing Dishes in MexicoDid we use purified water to wash our dishes in Mexico? Nope – we used very hot, tap water to wash our dishes in Mexico. We used tons of dish soap and made sure every single item was thoroughly dried before use.
Can I have ice in my drink in Mexico?
Ice in Mexican restaurants is made with purified water, not tap water. They buy it from an ice factory, and drinkable water comes from plants too in big jugs. As long as you don't make your own ice cubes with tap water, you'll be fine.What bacteria is Montezuma's revenge?
The most common culprit is a bacteria called E. coli.Why do they call it Montezuma's revenge?
Etymology. Named for Montezuma or Moctezuma II (c. 1466 – 1520), the last Aztec ruler before the empire was conquered by the Spanish. The condition is seen as “retribution” for the slaughter and enslavement of the Aztec people by Spanish conquistador Hernán Cortés on 13 August 1521.How do you stop Montezuma's revenge?
Montezuma's Revenge PreventionSecond, make sure you eat foods at the temperature at which they are safest to be eaten. Make sure to avoid any undercooked meats, fish or shellfish and stay away from fresh veggies or fruits from developing countries.