Why Do We Have to Bury Our Poop? The Science and Safety Behind Proper Disposal

It’s a fundamental part of life, something we all do multiple times a day, yet rarely discuss: pooping. And when we’re out in nature, away from the convenience of a flush toilet, the age-old advice comes into play: bury your poop. But why is this seemingly simple act so important? It turns out there’s a good deal of science and safety behind this wilderness etiquette.

The Germ Factor: Invisible Invaders

The primary reason we need to bury our poop is to prevent the spread of harmful bacteria and pathogens. Human feces are teeming with microorganisms, many of which can cause serious illnesses in humans and animals. These include bacteria like E. coli and Salmonella, as well as parasites like Giardia and Cryptosporidium. When poop is left exposed on the ground, these microscopic troublemakers can:

Contaminate Water Sources: Rainwater can easily wash fecal matter into streams, rivers, lakes, and even groundwater. If this water is used for drinking, cooking, or recreation, it can lead to outbreaks of waterborne diseases. Think about how many campers, hikers, and communities rely on these natural water sources.
Spread Through Insects and Animals: Flies, rodents, and other scavenging animals can come into contact with exposed feces. They can then carry pathogens to human food, campsites, or other areas, spreading illness indirectly.
Contaminate Soil: Even if not washed into water, pathogens can linger in the soil, posing a risk to anyone digging in that area, or to plants that might be consumed by humans or animals.

Protecting Wildlife and Ecosystems

Beyond human health, burying our poop is crucial for protecting the delicate balance of natural ecosystems and the wildlife that inhabits them.

Preventing Disease Transmission to Animals: Just as we can get sick from pathogens in poop, so can wild animals. Concentrating human waste in one area can create a breeding ground for diseases that can then spread to animal populations, sometimes with devastating effects.
Avoiding Unnatural Odors and Attracting Unwanted Visitors: Leaving poop exposed creates unpleasant odors that can disrupt the natural environment. More importantly, it can attract scavenging animals to areas where humans are present, which can lead to conflict, habituation, and increased risk of disease transmission in both directions.
Minimizing Nutrient Overload: While poop is a natural fertilizer, an excessive amount in one concentrated area can overload the soil with nutrients, disrupting plant growth and the local ecosystem.

The "Leave No Trace" Principle

In the realm of outdoor recreation, the concept of "Leave No Trace" is paramount. Burying your poop is a core tenet of this philosophy, which aims to minimize human impact on the environment. Leaving your waste behind is essentially leaving behind a piece of your own biological footprint, one that can have lasting negative consequences.

How to Properly Bury Your Poop: The Cathole Method

The most common and effective method for disposing of human waste in the backcountry is digging a "cathole." Here's how it's done, according to Leave No Trace guidelines:

Choose Your Spot Wisely: Find a location at least 200 feet (about 70 adult steps) away from water sources (lakes, rivers, streams), trails, and campsites. Look for a spot with loose soil, which is easier to dig. Avoid areas with heavy vegetation or near animal trails.
Dig Your Cathole: Use a small trowel or a sturdy stick to dig a hole that is 6 to 8 inches deep and about 4 to 6 inches in diameter. This depth is sufficient to bury the waste adequately and allow for decomposition.
Do Your Business: Squat over the hole and relieve yourself.
Bury It Thoroughly: Use the soil you dug out to cover the waste completely. Pack it down gently. Make sure there's no visible sign of your presence.
Disguise the Area: Scatter leaves, pine needles, or other natural materials over the spot to help it blend in with the surroundings and discourage animals from digging it up.
Pack Out Toilet Paper (Crucial!): Unlike your waste, toilet paper does not decompose quickly in the often dry and cool conditions of the backcountry. Therefore, it’s essential to pack out all used toilet paper in a sealed plastic bag. Some hikers opt for wag bags, which are specifically designed for this purpose.

"Leaving behind traces of human waste can negatively impact the environment, spread disease, and diminish the wilderness experience for others. Proper disposal is a sign of respect for nature and fellow outdoor enthusiasts."

What About Wipes and Other Sanitary Products?

The same rules that apply to toilet paper apply even more strictly to wet wipes, sanitary napkins, tampons, and other hygiene products. These items are often made with plastics and synthetic materials that will not decompose for hundreds of years. Always pack out all used sanitary products and toilet paper in a sealed bag.

When is a Cathole Not Enough?

In some very sensitive or heavily trafficked areas, even a cathole might not be sufficient. Many parks and wilderness areas have specific regulations regarding human waste disposal. These might include:

Mandatory Pack-Out Systems: In some fragile ecosystems or areas with limited decomposition potential, you may be required to pack out all solid human waste using specialized "groover" or "poop tube" systems. These are typically rigid containers designed to hold waste securely for transport.
Designated Latrines: Some popular backcountry sites may have designated composting toilets or pit latrines for waste disposal. Always follow signage and instructions in these areas.

It’s crucial to research the specific regulations for any area you plan to visit. Websites of national parks, forest services, and local land management agencies are excellent resources for this information.

Frequently Asked Questions (FAQ)

How deep should a cathole be?

A cathole should be between 6 and 8 inches deep. This depth helps to ensure that the waste is buried sufficiently to prevent exposure and allows for decomposition processes to begin effectively, while also minimizing the likelihood of animals digging it up.

Why can't I just leave my toilet paper?

Toilet paper, especially when left exposed, does not decompose quickly in the often cool and dry conditions found in many natural environments. It can be unsightly, take a very long time to break down, and potentially spread germs. It is always best to pack out all used toilet paper in a sealed bag.

What are the risks of not burying my poop?

The primary risks of not burying your poop include the contamination of water sources with harmful bacteria and parasites, leading to waterborne illnesses. It can also spread diseases to wildlife, attract unwanted animals to campsites, and negatively impact the aesthetics and natural balance of the environment. It's a public health and environmental concern.

Are there alternatives to digging a cathole?

Yes, depending on the location and regulations, alternatives include using designated composting toilets or pit latrines. In some extremely sensitive or high-use areas, you may be required to use specialized portable waste systems that allow you to pack out all solid waste. Always check local guidelines.

How far away from water should I dig my cathole?

You should dig your cathole at least 200 feet (approximately 70 adult steps) away from any water source, including lakes, rivers, and streams. This distance is crucial to prevent fecal contamination from reaching these vital water bodies.