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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
     Dissolved Oxygen
     Fecal Coliform
     Methyl-t-butyl Ether
     Turbidity & Sedimentation

Water Testing

     Fecal Coliform
     Dissolved Oxygen
     Company Websites


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