The length of time and concentration of disinfectant varies by manufacturer and effectiveness of pathogen reduction depends on the product. However, many factors can impact the effectiveness of chemical disinfection. Manufacturer’s instructions must be followed.ĭisinfection can be used as a pathogen reduction method against microorganisms. For most elevations in Zion, water should be brought to a rolling boil for 3 minutes.įiltration can be used as a pathogen reduction method against most microorganisms. Water Treatment MethodsĬDC Guide to Water Treatment for Backcountry & Travel UseĮxcept for boiling, few water treatment methods are 100% effective in removing all pathogens.īoiling can be used as a pathogen reduction method that should kill all pathogens. Water flow at natural springs may not always be reliable. Water should be filtered directly from spring orifices. Do not drink from in-stream water no known filtration methods are effective at reducing toxin levels safe for drinking. The risk of exposure increases during and immediately after any precipitation events. Cyanotoxins may cause illness and/or death if ingested or absorbed through an opening in the skin. In remote Wilderness areas, current cyanotoxin conditions may be unknown. Water collected in the wilderness is not safe to drink without treatment.Īll backpackers should be aware that there may be a risk of cyanotoxin exposure when recreating in water in Zion. Water flow at natural springs can vary, check for information at visitor centers. Water is available at visitor centers, campgrounds, and the Zion Lodge. Carry enough water, one gallon per person per day, and drink it. A moderate or higher flash flood potential should be a serious cause for concern. Flash floods do occur in the park during periods of low flash flood potential. Water levels usually drop within 24 hours. Remain on high ground until conditions improve. Even climbing a few feet may save your life. If you observe any of these signs, seek higher ground immediately. Rising water levels or stronger currents.Sudden changes in water clarity from clear to muddy.Any deterioration in weather conditions.Watch for these indications of a possible flash flood: Whether hiking, climbing, or canyoneering, your safety depends on your own good judgment, adequate preparation, and constant attention to your surroundings. If bad weather threatens, do not enter a narrow canyon. Know the Weather and Flash Flood Potential forecasts before starting your trip. You cannot outrun or outswim a flash flood. A flash flood can rush down a canyon in a wall of water 12 feet high or more. Have a back-up plan in case of inclement weather.ĭuring a flash flood, the water level rises quickly, within minutes or even seconds. By entering a narrow canyon, you are assuming a risk. Flash floods, often caused by storms miles away, are a real danger and can be life threatening. Upstream travel to campsites in the Virgin River Narrows is prohibited.Īll narrow canyons are potentially hazardous. Plan your Wilderness Transportation to and from the trailheads. Have a route description, map, compass, and the ability to use them. Your safety is your responsibility.Įveryone in the group should have the proper equipment, skill level, and physical ability to successfully complete each overnight trip. It is a good idea to be prepared to spend an unexpected night in case of an emergency. Take action to ensure that your group is self-reliant and aware of the risks involved with backpacking in the Zion Wilderness.Speak with park rangers at park visitor centers or visit the links below for Current Conditions, weather forecasts, and flash flood potential ratings. Your safety depends on your own good judgement, adequate preparation, and constant observation. Traveling into the wilderness, even on short trips, can be challenging and risky and requires careful planning before you begin.
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