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Data Access Overview

Graphing Water Quality Data

    Directions for Graphing Water      Quality
     Samples of Water Quality Graphs

     EPA STORET Data

Pollutant and Water Quality     Information
     Ammonia
     Arsenic
     Benzene
     Dissolved Oxygen
     Fecal Coliform
     Lead
     Mercury
     Methyl-t-butyl Ether
     Nitrates
     pH
     Phosphorus
     Sulfate
     Turbidity & Sedimentation



Water Testing

    ph
     Nitrogen
     Fecal Coliform
     Dissolved Oxygen
     Company Websites


Arsenic

What is It?

-Arsenic is a naturally occurring substance in nature and is generally formed in several compounds with other chemical elements.

-There are two main forms of arsenic: inorganic arsenic & organic.

-Inorganic Arsenic in the most toxic.

-It is usually combined with oxygen, chlorine or sulfur.

Why is it in the environment?

-Arsenic is introduced into the water table through the dissolution of minerals and ores.

-Industrial wastes can also lead to the release of Arsenic into water.

-Arsenic is most commonly used commercially in wood preservatives, like deck finisher.

-Organic Arsenic is generally associated with seafood consumption and is much less harmful to human health, as it can be eliminated by the body.

How does it affect water quality?

-Contaminates clean drinking water, causing it to be poisonous.

How does it affect adults?

-Short-term Arsenic poisoning may cause nausea, vomiting, diarrhea, weakness, loss of appetite, shaking, cough and headache.

-Long-term exposure may lead to a variety of symptoms including cardiovascular disease, diabetes, and vascular disease.

-Arsenic is also known to cause a variety of cancers including: kidney, bladder, lung, prostate and liver cancer.

-Arsenic in drinking water at low levels can take many years for health effects to be found.

How does it affect children?

-Children are equally effected.

What are the EPA regulations?

-0.010mg/l as of 01/23/06

-current 50ppb