- Iron Removal Well Water Filters -
Commercial Well Water Treatment
Common forms of
well water iron and manganese.
This type of iron is often called
"clear water iron" since it is not visible in poured water.
It is found in water which contains no oxygen, such as water
from deep wells or groundwater. Carbon dioxide reacts with
iron in the ground to form water-soluble ferrous
bicarbonate, which, in the water, produces ferrous ions
(Fe++).This type of iron can cause red or orange color and
Ferric iron is also known as "red
water iron". This type of iron is basically ferrous iron
which has been exposed to oxygen (oxidized), usually from
the air. As carbon dioxide leave the water, oxygen combines
with the iron to form ferric ions (Fe+++). These oxidized
particles are generally visible in poured water.
This type of
iron can cause red or orange color and staining.
Manganese is seldom found alone in a
water supply, is usually accompanied by iron. Concentrations
as low as 0.05 part per million of manganese will produce
dark brown or black staining. Fabrics washed in
manganese-bearing waters are almost invariably stained.
Deposits collect in plumbing, and tap water frequently
contains a black sediment and turbidity. Manganese bacteria
often causes clogging of pipes.
Manganese: EPA secondary drinking water standard is
- What are
iron and manganese?
- Iron (Fe) and
manganese (Mn) are metallic elements present in many types of
rock. Both are found naturally in ground water in most if not
all regions of the US. Aesthetic levels for iron in drinking
water is less than or equal to 0.3 mg/L or ppm while the level
for manganese in drinking water is less than or equal to 0.05
mg/L or ppm. Water with high levels of iron and manganese may
cause staining on plumbing fixtures and laundry. High can cause
off color, bad bitter tastes, and rust flakes in the water.
Similarity, manganese typically form black particles and also
give the water an off color and unpleasant taste.
- Calcium &
Magnesium Hard Water
- What is hard
- Water that is
hard contains calcium and magnesium compounds. Rain water is
naturally soft - it does not contain any minerals, but as it
seeps through the ground it can pick up minerals, such as
calcium and magnesium compounds, from the soil and rocks it
passes through. If rain water passes through soft rocks like
chalk or limestone, it picks up these minerals. If it passes
through hard rocks, such as granite or through peaty soils, it
does not pick up these minerals and so remains soft. Hard water
causes pipes to scale to collect in coffee makers, dishwashers
and washing machines. If the scale collects in hot water haeters
it shortens their life and makes appliances less efficient. It
is also more difficult to work up a lather from soap, washing up
liquid and washing powders.
Sulfide Water Odor
- What is
- Sulfur in your
well water supply is easily recognized by its offensive odor.
Hydrogen sulfide gas causes "rotten-egg" or sulfur water smell.
High concentrations can also change the taste of the water. As
well as, corrode metals such as iron, steel, copper and brass.
Hydrogen sulfide amounts of 0.5 mg/l or more are usually
noticed, even in cold water. Wells drilled in shale or
sandstone, or near coal or oil fields often have hydrogen
sulfide present.Hydrogen sulfide may also be produced when
sulfate in well water converts to hydrogen sulfide. Certain
non-disease-producing bacteria (sulfur bacteria) use the oxygen
in the sulfate to form hydrogen sulfide.
Dissolved Solids, Salts In Well Water
Total dissolved solids (TDS) is a measure of the
total amount of all the materials that are dissolved in water.
These materials, both natural and anthropogenic (made by
humans), are mainly inorganic solids, with a minor amount of
organic material. Depending on the type of water, TDS can vary
greatly from a few milligrams per liter to percent levels (tens
of thousands of milligrams per liter). Seawater contains 3.5%
(35,000 mg/L) TDS. Elevated TDS levels are often due to natural
environmental features such as: mineral springs, carbonate
deposits, salt deposits and sea water intrusion, but other
sources may include: salts used for road de-icing, sewage,
drinking water treatment chemicals, stormwater and agricultural
runoff, and wastewater discharges. The U.S. Environmental
Protection Agency's (EPA) Secondary Drinking Water Standards
recommends that the TDS concentrations in drinking water not
exceed 500 mg/L based on taste and aesthetics.
Secondary Drinking Water Regulations (NSDWRs or secondary
standards) are non-enforceable guidelines regulating
contaminants that may cause cosmetic effects (such as skin or
tooth discoloration) or aesthetic effects (such as taste, odor,
or color) in drinking water. EPA recommends secondary standards
to water systems but does not require systems to comply.
However, states may choose to adopt them as enforceable
- EPA Secondary
Drinking Water Limits For The Following:
- Color 15 (color
- Chloride 250
Iron 0.3 mg/L
Manganese 0.05 mg/L
Odor 3 threshold odor number
Sulfate 250 mg/L
Total Dissolved Solids 500 mg/L
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