Venturing into the great outdoors as a hiker brings a unique set of challenges, with water treatment and personal hygiene topping the list of essential considerations. While some hikers might feel invincible, adopting risky practices can lead to potential exposure to waterborne illnesses. In this article, we’ll delve into the importance of water treatment, share some intriguing survey results, and provide tips and tricks to prevent waterborne illnesses on your hiking expeditions.
Survey Results: A Glimpse into Hiker Health and Water Treatment Practices
A survey among hikers, particularly those trekking the Continental Divide Trail (CDT), sheds light on the relationship between water treatment practices and instances of illness.
Hiker Illness:
- 91.6% reported not experiencing any illness.
- 8.4% fell ill, facing three or more days of digestive issues or a diagnosed case of giardia.
Water Treatment Frequency:
- 67.8% always treated their water.
- 23.4% usually treated their water.
- 8.4% sometimes treated their water.
- A mere 0.5% confessed to never treating their water.

CDT Water Treatment and Illness:
- Among those who always treated their water, 5.1% got sick.
- Hikers who usually treated their water experienced illness in 19.1% of cases.
- Sometimes treating water resulted in illness for 20% of respondents.
- Notably, those who never treated their water reported no instances of illness.
Tips and Tricks to Prevent Waterborne Illness:
- Invest in a Reliable Water Filtration System:
- Choose a water filter that effectively removes bacteria, parasites, and protozoa.
- Regularly maintain and replace filter components to ensure optimal performance.
- Boil Water as a Backup:
- Boiling water is a reliable method to kill harmful pathogens.
- Carry a lightweight stove and pot to facilitate easy water boiling when necessary.
- Choose Water Sources Wisely:
- Avoid collecting water from stagnant or visibly contaminated sources.
- Opt for clear, flowing water whenever possible.
- Practice Good Hygiene:
- Wash your hands thoroughly before handling food or consuming water.
- Carry hand sanitizer for situations where water for handwashing is scarce.
- Stay Informed About Local Water Conditions:
- Research the water sources along your hiking route.
- Be aware of any waterborne illness outbreaks in the area.
- Pack an Emergency Water Treatment Solution:
- Carry water purification tablets or drops as a backup in case your primary filtration method fails.
The Balance Between Adventure and Safety
While the allure of the “badass thru-hiker” lifestyle might be tempting, prioritizing your health and safety should always be the ultimate goal. The survey results underscore the importance of responsible water treatment practices, with a notable correlation between illness rates and the frequency of water treatment.
In conclusion, a proactive approach to water treatment, coupled with good hygiene practices, significantly reduces the risk of waterborne illnesses during your hiking adventures. As you embark on your next trail, remember that staying healthy is the true mark of an intrepid hiker.

