Readers ask: • Produces Stagnant Backwater Which Pollutes Island’s Water Supply?

What is the thing that pollutes the water the most?

Around the world, agriculture is the leading cause of water degradation. In the United States, agricultural pollution is the top source of contamination in rivers and streams, the second- biggest source in wetlands, and the third main source in lakes.

What grows in stagnant water?

Stagnant water is the favorite breeding ground for a number of insects.

  • Dragonfly nymphs.
  • Fly maggots.
  • Mosquito larvae.
  • Nepidae (water scorpions)

Where does Nassau get its water?

Long Island’s Only Source of Drinking Water: Groundwater Aquifers. The water that flows from every single spigot in Nassau and Suffolk County comes from groundwater aquifers and nowhere else. These aquifers are ours to protect.

How does pollution affect water supply?

When polluted groundwater reaches drinking water systems it can pose serious public health threats. Nutrient pollution can affect vital ground water and drinking water sources. As ground water works its way through the soil, it can pick up nitrogen and phosphorus and transport them to the water table.

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What is the biggest source of pollution?

Mobile, stationary, area, and natural sources all emit pollution into the air. Mobile sources account for more than half of all the air pollution in the United States and the primary mobile source of air pollution is the automobile, according to the Environmental Protection Agency.

What are the four major water pollutants?

There are four main categories of water pollution: pathogens, inorganic compounds, organic material and macroscopic pollutants.

How long before water becomes stagnant?

Water can become stagnant in as little as 24 hours, mold and bacteria also begins to grow within 48 hours. Mold can colonize within 12 days. This rapid growth will continue and go unseen for days if you are unaware of the stagnant water.

How do you stop water going stagnant?

Ten Ways to Minimize Stagnation in Domestic Water Systems

  1. Remove dead-legs.
  2. Do not use showers for storage unless the unused piping is removed.
  3. Keep backup lines open, or flush them before use.
  4. Design bypass lines to minimize the domestic water system’s exposure to stagnant water, and flush before each use.

What would happen if there is stagnant water in front of your house?

Malaria and dengue are among the main dangers of stagnant water, which can become a breeding ground for the mosquitoes that transmit these diseases. stagnant water can be dangerous for drinking because it provides a better incubator than running water for many kinds of bacteria and parasites.

How Clean Is Long Island tap water?

According to a New York Public Interest Research Group analysis of EPA data, Long Island has the most contaminted drinking water in the state. NYPIRG’s Environmental Policy Director Liz Moran says Long Island’s drinking water contains high levels of harmful contaminants like 1,4-dioxane, PFOS and PFOA.

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What is wrong with Long Island water?

The Water Authority of Western Nassau County sent the letter out, alerting residents that the water supply contains cancer-causing chemicals known as PFOS, PFOA and 1,4-dioxane.

Is there water under Long Island?

Our Groundwater Reliance: Nassau and Suffolk counties utilize a sole source aquifer. Long Island is not alone in having groundwater as a source of drinking water. Across the USA, some 100 million Americans utilize groundwater for their drinking water.

What are the 10 causes of Water pollution?

There are many causes of water pollution, some of them are:

  • 1- Sewage or wastewater: The waste from households, factories, or agricultural land gets discharged into rivers or lakes.
  • 2- Dumping:
  • 3- Oil pollution:
  • 4- Acid rain:
  • 5- Industrial waste:
  • 1- Diseases:
  • 2- Ruination of the ecosystem:
  • 3- Eutrophication:

What are the 10 effects of Water pollution?


  • Destruction of biodiversity. Water pollution depletes aquatic ecosystems and triggers unbridled proliferation of phytoplankton in lakes — eutrophication —.
  • Contamination of the food chain.
  • Lack of potable water.
  • Disease.
  • Infant mortality.

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