Drinking Water Well Quality Basics

Groundwater, the source of water for private wells, is never simply a pure combination of hydrogen and oxygen atoms (H20). It contains many impurities, reflecting the composition of the soils, sand, gravel, and rock through which it travels. Groundwater naturally contains:

  1. Dissolved minerals such as iron, calcium, magnesium, bicarbonate, chloride, and sulfate
  2. Gases such as carbon dioxide, oxygen, and nitrogen
  3. Dissolved organic compounds

As a result of human activity, groundwater can also contain contaminants such as pesticides, nitrate, metals, …

Drinking Water Treatment – Activated Carbon Filter

Image:BlueBottleFill.jpgNeed an activated carbon filter treatment system for purifying your private well water?
Things to consider before buying…

EFFECTIVE AGAINST: Unwanted tastes, odors, chlorine and iodine residuals, detergents, radon, and some man-made, organic chemicals such as many pesticides, and volatile organic chemicals, such as paint thinners. Lead and other heavy metals are removed only by a very specific type of activated carbon filter.

NOT EFFECTIVE AGAINST: Activated carbon filtration will not remove microbes, sodium, nitrates, fluoride, and hardness

Drinking Water Quantity-Low Yielding Domestic Water Wells

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Low-yielding domestic water wells

The objective of groundwater resource development is to design and construct a well capable of yielding a pumping rate compatible with the needs of the well owner’s intended use. Well yield is generally defined as the rate at which a well can be pumped while ensuring that the water level does not drop below …

Drinking Water Contaminant – Volatile Organic Compounds (VOCs)

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Sources of volatile organic compounds in drinking water

Volatile Organic Chemicals (VOCs) are a class of chemicals that are carbon-containing and evaporate, or vaporize, easily into air at normal air temperatures. VOCs are found in a variety of commercial, industrial, and …

Drinking Water Contaminant – Sulfur, hydrogen sulfide

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Sources of sulfate and hydrogen sulfide in drinking water

Sulfates are a combination of sulfur and oxygen and are a part of naturally occurring minerals in some soil and rock formations that contain groundwater. The mineral dissolves …

Drinking Water Contaminant – Protozoa and Amoeba

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Sources of protozoa and amoeba in drinking water

Drinking water supplies that depend on surface or ground water are subject to contamination …

Drinking Water Contaminant – Iron and manganese bacteria

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Sources of iron and manganese in drinking water

Iron and manganese are the 4th and 13th most common metallic elements found in the Earth’s crust, respectively. Water percolating through …

Drinking Water Contaminant – High total dissolved solids

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Sources of total dissolved solids in drinking water

Drinking Water Contaminant – Nitrate

Image:Wellhead.jpgNitrates in drinking water may cause adverse health effects. What are the sources of nitrate in private drinking water wells?

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Sources of nitrate in drinking water

Nitrate is a form of nitrogen …

Drinking Water Contaminant – Arsenic

Image:GreenGlassFill.jpgArsenic in drinking water can’t be detected by taste, sight or smell. How do you find out if your private well water is contaminated with arsenic?

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Sources of arsenic in drinking water

The 20th most abundant …