Water Standards


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		Water Standards
		Water Standards
Water Standards

Data

Analysis of River Sites

Analysis of All Samples


	Vermillion Detected Contaminants from 2003
	Click to enlarge

	pH- The maximum range is between 6.5 and 8.5. In all of our results were in this range.





	TDS- For this standard, the maximum is 500 ppm. This is based on taste and not health considerations. Most of our examples were above this level.


	Hardness- The maximum for drinking water is 180 ppm. Hard water can cause incrustations in pipes and other equipment. All of the river water is classified as very hard.


		• 0 to 60 mg/L as calcium carbonate is classified as soft
		• 61 to 120 mg/L is moderately hard
		• 121 to 180 mg/L is hard
		• Greater than 180 mg/L is very hard

	Nitrate- The maximum 10 mg/L. High levels of Nitrate can increase infant mortality.

	This information was obtained from the EPA. http://www.epa.gov