Water, water everywhere and not a drop to spare. This is the reality – especially when regarding the amount of freshwater available. Fact: The earth contains only 3.5% freshwater. Fact: 98.8% of all freshwater is shielded from our grasp in glaciers or groundwater. Fact: Only 0.0003% of the Earth’s water is accessible for consumption. With such a minute quantity of freshwater available, the high amount of pollution contaminating this water is appalling. Water quality levels are decreasing, hurting us as well as the countless organisms depending on freshwater habitats to be safe homes. One of the main contaminants, nitrates, which spring from mainly manmade sources, are especially treacherous… Many people are unaware of the impact of …show more content…
The ideal solution is to eliminate the source of contamination, which may not always be practical. Hence, we need to look for ways to intercept and divert the contaminants from reaching fresh water sources.
One option that is practical and easy to implement are constructed wetlands. Constructed wetlands (CW) are like natural wetlands, but manmade. Wetlands, rightfully named, love the water and thrive in water-saturated environments. Because of this trait natural wetlands have long helped with slowing runoff and other water-management techniques including: consuming nutrients, denitrification (converting nitrates into nitrogen gas to release back into the atmosphere), and breaking down pesticides.
Can we adopt the same techniques to solve manmade nitrate contamination issues? The answer lies in CW. These habitats are perfect for dealing with excess nutrients from agricultural or septic wastewater runoff like nitrates. By slowing runoff, sediments and nutrients suspended on the waterfall out of place, thereby, never reaching the rivers or lakes. The bountiful biological life of wetlands consume or utilize excess nutrients. For the remaining nitrates, denitrification, the removal of nitrates by converting them into nitrogen gas, occurs as well. Finally, wetlands break down pesticides and fertilizers that enter the wastewater stream before they reach other freshwater habitats. Other processes for managing high concentrations of
Wetlands provide fish and wildlife habitat. It supplies food water, along with areas that can be used for nesting or resting. Wetlands also act as a aquifer recharge and discharge area. They are able to recharge groundwater or excess groundwater is able to discharge into the wetland. Wetlands act as flood storage when rainfall and snowmelt leave an excess of water around and no place to go.
Keeping the pollution to a minimal isn’t the easiest thing in the world to do. The major water pollutants are chemical, biological, or physical materials that
Water contamination is vastly becoming an alarming issue across the world. We rely on clean water to survive, yet right now we are heading towards a water crisis. Changing climate patterns are threatening lakes and rivers, and key sources that we tap for drinking water are being overdrawn or tainted with pollution (www.nrdc.org). Clean and plentiful water is the cornerstone of prosperous communities. Yet as we enter the 21st century, swelling demand and changing climate patterns are
Ducks Unlimited tries to revert these watersheds back to their natural levels by draining the wetlands that have extremely high levels of contaminants in the water. They then clean the soil in the habitat and find a way to decrease the extra contaminates from entering the watershed. Next they will pump healthy water back into the wetlands and install buffer strips that act like a filter that will catch the extra nutrients and silt.
Wetlands improve water quality by helping with nearby flood control. The bottomland hardwoods areas contain large amount of nutrient rich soil which is capable of soaking up excess water from floods or runoff. These types of wetlands also contain marshes or swamps where the water is gathered to create a new environment for other
A major function of wetlands is that they naturally clean the table waters. With the use of microorganisms it is possible to naturally clean the water supply much better than many water purification plants. A benefit of purifying water with the use of wetlands is that not only does it save the taxpayers money but it also saves the environment from the pollution that a water purification plant would produce. Another function of wetlands is its storage ability. In the event of a large storm or heavy rain wetlands can store the floodwaters so that they do not over run the near by area. To reduce the effects of flooding wetlands are able to store "stormwater and gradually returning it to surface flow, reducing the effects of erosion by stabilizing soils, and dampening the effects of wave action". M. Dennison et.al. 1993. Wetlands also provide a feeding ground and habitat to many fish, waterfowl and other wildlife. Many endangered birds nest and breed on the shores of wetlands and these habitats are crucial for their survival. The destruction of wetlands has become a major problem, especially in California.
One of the most important things that wetlands can do is improve our water quality. With the increasing usage of pesticides in farming and other pollutants that get spread around, most of these chemicals end up in our water supply from runoff. When a lake has wetlands at or near its borders, it tends to be cleaner and more protected from pollutants. Groundwater also benefits from wetlands, as the plants use the extra nitrogen from the runoff. In Iowa, nitrogen is the most common pollutant in out drinking water (Iowa Wetlands). In one study, it was found that “it
Harmful chemicals, manure, and pollution factor into it. These can cause large amounts of blue-green algae, which can be more of an issue then the nitrates. They take away oxygen from the water which would cause a decrease in organisms. In the article, “The muted voice in water quality debate is finally heard.” Mike Kilen (2016) says, “But while we focus on nitrates, we also can’t forget the dangerous bacteria and blue-green algae increasingly popping up in our rivers that are even more a danger to public health.” So although the fertilizer problem is important, the nitrates and phosphorous is not the only thing to worry
Water pollution has become a major problem in our water sources. People think that when they litter or dump in our waters that their little contribution will not hurt anything, but everyone’s little contributions add up to some major problems. Our water ecosystems and the species that reside in them are being destroyed and we need to take the steps necessary to stop this. Why would anyone use the source of most of the world’s food as a dumping ground for garbage? People need to start realizing what it is they are doing when they do not take the proper steps to dispose of their garbage and the problems they are making for the future.
It is easy person to point their finger at big industrial and chemical plants and blame them for the cause of so much pollution in our water. When taking a closer look, those same people pointing the finger are equally contributing to the pollution of our water supply and are also to blame. This person could be a friend, family member, classmate, or even you. Even if people do not think that they have a part in this, most do. A variety of data has shown traces of pharmaceuticals used by every day humans in our water. As well as pharmaceuticals there is a presence of chemical contaminants, mainly pesticides that are causing harm to our environment and wildlife. Even humans can be affected by such contamination in the water supply, and
The freshwater that is available for use is becoming more contaminated with each use. The Clean Water Act of 1972 put in order more regulations in regards to wastewater and the dumping of it into rivers and lakes. Multiple-step filtration systems have been used since then to better remove toxins from wastes before it enters freshwater. In a personal interview with Moe Crabtree, Nature Resource Specialist for the Washington Department of Natural Resources, I learned some measures taken to keep water clean. Her common job is to setup timber sales which includes much precaution of rivers and streams. I asked her- “In what ways do you have to avoid water contamination?” she replied, “we have to divert culverts at minimum one hundred feet from
High amounts of nitrate from agricultural field watershed contaminate the groundwater, creating a consumption hazard. A nitrate level greater than 10 mg/L causes negative health effects for the local population and aquatic organisms.
Wetlands act as natural sponges that trap and slowly release surface water over time. This ability to store water in times of heavy rainfall means that
First, control over the discharge can take place at the point of generation within the plant itself. Second, the polluted water can be sent to water treatment plants before it is released into the surrounding water sources. Third, the waste water can be treated within the plant and recycled again, or treated in the plant and released.
Water covers 70% of our planet, and it is easy to think that it will always be plentiful. However, freshwater, what we drink, bathe in, irrigate our farm fields with makes up only 3% of the world’s water, and two-thirds of that is stored in frozen glaciers or unavailable for our use. Many of the water systems that keep ecosystems thriving and feed a growing human population have become stressed. Rivers, lakes and aquifers are drying up or becoming too polluted to use. Already, 80 countries suffer from water shortages that threaten health and economies while 40 percent of the world—more than 2 billion people—does not have access to clean water or sanitation