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Animal agriculture’s negative side effects are far reaching to say the least. However, let’s narrow our focus to the impact animal agriculture has on our precious water resources, shall we? After all, H2O is kind of a vital component to life.

It is estimated that the 8 BILLION livestock animals being raised in the United States use half of the water consumed in the country. This water usage takes into account animal’s hydration needs and the amount of water needed for crops grown to feed livestock – but, unfortunately, the environmental issues don’t stop here. Groundwater and runoff into rivers and lakes suffer a great deal of pollution thanks to the process that goes into making those yummy morning omelets and dinnertime burgers topped with bacon. To further explore this concept, we’ll delve deeper.

Water Pollution and Agriculture

Livestock require massive quantities of food during their lifetimes. Of the 330 million acres of agricultural land in the U.S., 260 million acres are used to produce feed for livestock. If the farming of these crops is done incorrectly, runoff from fertilized and pesticide laden lands carry pollutants to streams, lakes, and even groundwater.

The U.S. EPA determined in the 2000 National Water Quality Inventory that about 40 percent of rivers and streams are impaired, and the leading cause of pollution was agriculture. Agriculture is responsible for almost half of these compromised water sources. Since livestock production requires roughly 80 percent of that agriculture which is polluting the water ways, it is safe to say that animal agriculture is a main cause of water issues. We haven’t even gotten to the animal part of the subject yet, and we can already see the large impact animal agriculture has on the water ecosystem!

The Added Animal-Related Pollution

Well, what goes in must come out, and what comes out of all these animals is to the tune of 500 million tons of manure a year. That is the equivalent of 12.5 million semi-trucks! Animals confined to small spaces on farms or animal feeding operations (AFOs) create very concentrated areas of urine and poop. Runoff, carrying contaminants from these sources, can make its way into lakes and rivers just like the runoff from farmland. Some AFOs store all this manure and urine in millions of gallons storage capacity basins called lagoons, and these lagoons usually leak or overflow contaminating groundwater and streams. Can we say “gross”?

Following That Pollution Downstream …

Why exactly is it so bad about this runoff and leakage? What do they carry that is so harmful for humans and environment?  Animal agriculture manure and farming fertilizers bring nutrients such as nitrogen, phosphorus, and potassium to the proverbial water pollution “table.”

All these additions to the environment affect the health of both humans and wildlife.

Actually, the main source of nitrogen and phosphorus in surface and groundwater is manure.  These excess levels of nutrients are the cause of algal blooms which end up killing fish due to the oxygen being depleted in the water. High levels of nitrates not only make water taste bad but it also can cause methemoglobinemia or “blue baby syndrome” which is fatal to babies.

Manure can contain antibiotics and hormones which have affected the reproductive system of fish in some cases. It also can contain pathogens such as Salmonella, E. coli, Cryptosporidium, and fecal coliform.  Animal waste has the ability to pass on over 40 diseases to humans! In addition to diseases, animal poo can contain heavy metals like lead which is known to cause kidney issues and nervous system disorders.

Is Water Treatment Enough?

The best chance of combating runoff contamination is the use of combined sewer systems where this animal agriculture is most prevalent. Combined sewer collection systems transport both land runoff and water from your toilet to the waste water treatment plant to be handled. This method is different from have a separate sewer system which contains both sanitary sewers for human waste and storm sewers for runoff. The combined sewer system allows this troublesome runoff water to undergo treatment at the plant before it is discharged into the water source. However, this might not be enough to stymie the situation …

Even if runoff can be directed effectively to the wastewater treatment plant, that facility has to be designed to knock down these higher than normal parameters. For example, fecal coliform has a concentration that can be 10 to 100 times higher in manure than levels in human waste. It is possible for these plants to mitigate the effects that this runoff has on the environment, but this combined sewer setup needs to be established in conjunction with this well-equipped plants in the areas where animal agriculture is most impactful.

The Gross Way Water Pollution From Livestock Effects You

What YOU Can Do

Until the demand for animal products decreases, this water pollution is reality.  We can combat this situation by shifting to a more plant-based diet and encouraging farms to limit and control their fertilizer application by only buying organic produce. Share this info with your friends and be a Green Monster today!

Image source: Wikimedia Commons

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10 comments on “The Gross Way Water Pollution From Livestock Affects You”

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SaLamaAndEr
3 Months Ago

This is the dumbest article ever vegans are dumb


Reply
youtube.com/watch?v=bj_2AHg0WkU
3 Months Ago

the last thing you want in a burger king burger is someones foot funges but it turns out that mite be what you gettt


Reply
youtube.com/watch?v=bj_2AHg0WkU
3 Months Ago

burger king foot lettuce


Reply
youtube.com/watch?v=bj_2AHg0WkU
3 Months Ago

number 15


Reply
bush man ( ethan )
3 Months Ago

i hate the environment we should all just live in space suits in space and eat jello all day then we send our trash down to earth


Reply
Patience O\'Dwd
6 Months Ago

GREAT ARTICLE!!!
However there is a typo: 8 Billion Cattle in the US, not so. 100 MIllion or so YES. Thank you!!!! I am sure it was a typo.


Reply
D.C. Sundland
3 Years Ago

The overuse of antibiotics in industrial animal factories needs to be given more than a passing mention. Antibiotics are given to farm animals solely to get them to grow more quickly, but the adverse affect of those antibiotics on human health may be extreme. Not only is the overuse of antibiotics speeding the evolution of antibiotic-resistant bacteria, but the antibiotics get passed through to humans in the meat, eggs, and dairy, and via the water table.

Studies are beginning to show that the consequences of our own overconsumption of antibiotics may be a leading contributing cause of many of our present-day epidemics - diabetes, certain types of cancer, and even gluten and nut allergies. The problem is that our bodies contain a mix of good and bad bacteria, and the antibiotics eliminate the good bacteria along with the bad. Overuse of antibiotics also is likely contributing to the obesity epidemic - after all, if antibiotic use in cows, pigs, and chickens "magically" prompts them to grow more quickly, why would that same effect not also apply to humans?

Missing Microbes by Dr. Martin J. Blaser isn\'t the most exciting read in the world, but it may be one of the most important books on the shelves today.


Reply
Victoria Wilson
12 Oct 2014

That\'s an excellent point D.C. Sundland! The overuse of antibiotics is something we need to be aware of as well.

Perhaps I can look more into that and compose a post that explores that aspect more in depth :)



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