Early iron test results meet DNR baseline

Village undertaking initiative in response to residents’ complaints about their water
By 
CONNOR CARYNSKI
Ozaukee Press Staff 

An iron filter study on a Village of Saukville well with a high concentration of iron is seeing promise after initial results.

The village approved using $15,000 in American Rescue Plan Act dollars to finance the study in December after receiving numerous complaints from village residents regarding discoloration caused by high levels of iron in the water.

While high iron levels do not pose a danger to health, they can cause a metallic taste or odor and stain clothing.

Water Utility Superintendent Dale Kropidlowski was able to trace the likely cause of the discoloration to the village’s shallowest well, well number five.

After conducting in-house tests from the well, Kropidlowski found that iron concentrations in the water were 1.7 milligrams per liter and .9 milligrams per liter after it was treated with sodium silicate.

The treated water was well above the .3 milligram per liter Department of Natural Resources baseline. Municipalities are not required to adhere to the baseline but it is an amount the DNR recommends for the best taste and appearance of water.

Kropidlowski said chemical treatment can only remove so much iron and additional sodium silicate would not solve the iron issue. If well five is the source of the hard water, it is likely an iron filter would be needed.

Before installing a costly filter, the study will take multiple water samples from the well, before and after running the water through an iron filter, to determine if a permanent filter would improve water quality from the well.

During an April 19 Finance Committee meeting, Kropidlowski said the study had launched just two days prior and that early results are looking good.

He said the first couple of days of testing showed iron concentrations of 1.56 milligram per liter going into the system and after sodium silicate treatment and running the water through an iron filter, the amount dropped to .03 milligrams per liter — well below the DNR recommendation.

“So far so good,” Kropidlowski said.

When the 24-day study is complete, the Village Board will consider if an iron filter should be purchased for the well based on results.

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Wisconsin’s largest paid circulation community weekly newspaper. Serving Port Washington, Saukville, Grafton, Fredonia, Belgium, as well as Ozaukee County government. Locally owned and printed in Port Washington, Wisconsin.

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