There’s nothing quite like spending a summer day at an outdoor festival, concert, fair, or sporting event. Between the excitement, warm weather, walking, and hours spent in the sun, it’s easy to become dehydrated without even realizing it.
Dehydration is one of the most common medical concerns we encounter at outdoor events. The good news? It’s also one of the easiest to prevent with a little planning.
So, How Much Water Do You Actually Need?
There isn’t a one-size-fits-all answer. Your hydration needs depend on factors such as your age, body size, activity level, the outside temperature, and how much you’re sweating.
A good general guideline is to drink about 8 ounces (1 cup) of water every 15–20 minutes when you’re outdoors in hot weather or participating in physical activity. That works out to roughly 24–32 ounces per hour for many adults.
If you’re sweating heavily or spending several hours outside, you may also benefit from drinks that replace electrolytes, especially if you’re active or exercising. Water should still be your primary source of hydration, but electrolytes can help replace sodium and other minerals lost through sweat.
The best advice? Don’t wait until you’re thirsty. By the time you feel thirsty, your body is already beginning to experience dehydration.
Signs You’re Becoming Dehydrated
Watch for these early warning signs:
- Dry mouth or lips
- Increased thirst
- Headache
- Dizziness or lightheadedness
- Fatigue
- Muscle cramps
- Dark yellow urine
- Decreased urination
If you notice these symptoms, move to a shaded or cool area and begin drinking water. Taking a short break can often prevent dehydration from becoming more serious.
Who Is Most at Risk?
Anyone can become dehydrated, but certain groups should take extra precautions:
- Young children
- Older adults
- Pregnant individuals
- Athletes
- Outdoor workers
- People with chronic medical conditions
- Anyone attending an all-day outdoor event
Alcohol and caffeinated beverages can also contribute to dehydration, especially when combined with heat and prolonged sun exposure.
Hydration Tips Before and During Your Event
A little preparation goes a long way. Before heading to your next festival:
- Start drinking water several hours before arriving.
- Bring a reusable water bottle if the venue allows it.
- Take advantage of water refill stations.
- Wear lightweight, breathable clothing.
- Find shade periodically throughout the day.
- Eat regular meals or snacks to help maintain electrolyte balance.
- Alternate alcoholic beverages with water if you choose to drink.
Can You Drink Too Much Water?
Yes—but it’s uncommon for most festival attendees.
Drinking excessive amounts of water in a short period without replacing electrolytes can lead to a condition called hyponatremia, where sodium levels in the blood become dangerously low. This is more commonly seen during endurance events such as marathons or long-distance hikes than at typical festivals.
The key is balance. Drink consistently throughout the day, avoid consuming large amounts all at once, and consider electrolyte replacement if you’re sweating heavily for several hours.
Know When to Seek Medical Attention
If someone becomes confused, stops sweating despite the heat, has difficulty staying awake, loses consciousness, or develops a very high body temperature, these may be signs of heat stroke—a medical emergency requiring immediate care.
If you begin feeling unwell at an event, don’t hesitate to visit the on-site first aid or medical tent. EMTs can evaluate your condition, provide initial treatment, and determine whether additional medical care is needed.
Event Medical Staffing Is Here to Help
At Event Medical Staffing, keeping guests safe is our top priority. Our EMTs regularly assist individuals experiencing dehydration, heat exhaustion, and other heat-related illnesses at concerts, festivals, races, fairs, and community events throughout Utah.
While we’d much rather help you with a quick bottle of water and some time in the shade than treat a medical emergency, we’re always prepared to respond when needed.
So before you head out to your next summer event, grab your sunscreen, wear comfortable clothing, and don’t forget the most important item of all—your water bottle.
Stay hydrated, stay cool, and enjoy your summer safely!