Indications & Testing

Iron will leave reddish-brown stains in on porcelain. Iron can also cause clogging of filters and fixtures due to bacteria associated with iron.

Causes and Sources of Iron

Iron is a naturally occurring element that is often found in bedrock and groundwater. Your water can be clear when the iron is present in the water, but not yet oxidized. This is called "clearwater iron". Rusty colored water indicates that the iron has oxidized. The iron will settle when undisturbed. Yellowish water that doesn't settle out and remains consistent throughout when undisturbed may indicate groundwater iron which may contain harmful bacteria. Iron or manganese in water is often associated with low pH.

New Hampshire & Maine Limits for Iron

New Hampshire
Iron 0.30 mg/L

(Information about Iron levels in New Hampshire provided by NH Dept. of Environmental Services)

Maine
Iron 0.30 mg/L
Iron and manganese in the amounts found in most drinking waters are not harmful to health. The secondary drinking water standards of 0.3 milligram per liter for iron and 0.05 milligram per liter for manganese are set to indicate problems of taste, staining, and cloudiness.
(Information about Iron levels in Maine provided by the Department of Health & Human Services, Health & Environmental Testing Laboratory, State of Maine)

Recommended Treatment

Water Conditioner

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