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Adefolake Adekola: Environmental Impact of Stagnant Water

Adefolake Adekola

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Stagnant water stays in a particular location for a long period of time after it has stopped flowing. There are various causes of stagnant water in the environment, such as flooding, lack of drainage systems, poor maintenance or misuse of existing drainage systems, inadequate sanitation etc.

The pungent rotten egg smell that emanates from stagnant water is Hydrogen Sulfide, which is a gas that originates from the breaking down of plants or animal matter in the water.

Stagnant water is a leading cause of malaria in Nigeria. World Health Organization estimates that over five hundred million people die globally from malaria. (WHO, 2016). Stagnant water is the perfect environment for mosquito larvae to grow, the larvae needs water rich in microorganisms so they can feed and stagnant water contains a variety of bacteria and parasites.

This contaminated water contains all kinds of bacteria fungi known as mold alongside other parasites that cause various water borne diseases. The Federal Emergency Management Agency (FEMA), an agency of the United States Department of Homeland Security says it takes 24 to 48 hours for mold and mildew to start growing. Rodents and insects are known to be attracted to stagnant water. The longer stagnant water stays in the environment, the higher the chances of other related problems.

In under developed countries such as Nigeria, people make use of stagnant water for several reasons such as cleaning their houses, washing clothes and some even allow their children play in it as a substitute swimming pool. It is highly possible some individuals might use it to cook or even drink. This water is contaminated and should be removed from the environment as it poses severe health risk to both humans and animals.

According to Martin Fritsch of Swiss Federal Institute of Technology, Zurich, Switzerland, health issues related to water pollution can be grouped into three categories namely:

  1. Water related vector borne diseases: diseases such as malaria, schistosomaisis (biharziasis), and lymphatic filariasis.
  2. Faecal/orally transmitted diseases: Hepatisis A, giardisis, E.coli diarrhea, typhoid and taenaisis.
  3. Chronic health issues related to exposure or residues of agrochemicals.

The environmental impact of stagnant water transcends beyond water pollution. A few of the effects are:

  1. Forceful migration of aquatic habitat and other animal species as the water becomes in-conducive, because of low oxygen levels.
  2. Air pollution: the smell of the water is usually unbearable and can cause discomfort for individuals with air-borne related diseases such as asthma.
  3. Land pollution: the sight of the stagnant water is an eyesore and it is offensive.

It just so happens that the riverine cities in Nigeria are highly populated which greatly contributes to the sitting of water around both residential and office environments. States such as Lagos, Ogun, Delta and Benue face this growing problem every year. When rainy season comes they experience flooding and most times the water takes several days before it goes away, thereby leading to stagnant water in the environment causing an increase in malaria cases. A common problem among the thirty six states would be poor maintenance of drainage systems leading to stagnant water. Before another rainy season comes, let us provide permanent solutions for this.

  1. The government should ensure drainage and culverts are cleared
  2. Stagnant water in gutters should be removed from the environment and the areas should be dried.
  3. Urban planning of building structures and road construction in cities prone to flooding and excessive rainfall needs to be enforced.

Photo Credit: Dreamstime

a Qualified Health, Safety, Social and Environment Officer with a credible talent of providing detailed audit reports required for preventive and corrective measure to ensure health safety social and environment. Adefolake is a confident and vibrant professional credited with exceptional interpersonal skills at ensuring designed operational policies and requirements are implemented by appropriate personnel or mechanisms in all project work. She is an effective communicator acknowledged for enhancing better knowledge acquisition performance and better work delivery using experience gained from specialization in environmental assessment and management. She has her website where she talks about everything and anything adefolakeadekola.com

1 Comment

  1. Obinna

    February 23, 2018 at 7:28 pm

    This is a very educative and informative piece of work. Happy for this new discovery!

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