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Problems We Found In Louisville's Drinking Water

Problems We Found In Louisville's Drinking Water

Kezia Snipe | Hydroviv Research Analyst

For Hydroviv’s assessment of tap water in Louisville, KY, we aggregated water quality test data from Louisville Water Company, the city’s water provider and the U.S. Environmental Protection Agency (EPA), as well as from samples that we collect and analyze.  We cross reference these data with toxicity studies in the scientific and medical literature, and look at upcoming regulatory changes.  The water filters that we build for our neighbors in Louisville (Hydroviv is a DC-based company) are optimized with this research in mind.

Source Of Louisville's Drinking Water

Louisville Water is the public water supplier of Louisville Metro and parts of Bullitt and Oldham Counties. The Ohio River is the source for Louisville’s drinking water. Louisville Water operates a surface water treatment plant and a groundwater treatment plant, both with intakes on the Ohio River.

Lead In Louisville Drinking Water

Lead enters tap water through older lead service pipes and lead-containing plumbing. When corrosion control measures put in place by the municipality fail (like what recently happened in Flint, Michigan), lead leaches into the drinking water, and can reach dangerous levels. Currently, 10% of samples analyzed for lead in Louisville are over 13.5 parts per billion. Though Louisville's tap water quality is currently in compliance with federal regulations, EPA and CDC both acknowledge that there is no safe level of lead, and federal regulations do not take into account levels measured at an individual tap.  Homes built before 1986 are most susceptible to lead contamination.  The American Academy of Pediatrics recommends that any taps used to serve children have lead levels no higher than 1 part per billion.

Chromium 6 In Louisville Drinking Water

Chromium 6 is a hazardous metal not fully regulated by the EPA. Louisville’s tap water quality recently averaged 81 parts per trillion for chromium 6. These levels are nearly 4 times higher than the concentration determined to have a negligible impact on cancer risk.

Disinfection Byproducts (DBPs) In Louisville Drinking Water

DBPs are a category of emerging contaminants that form when chlorine-based disinfectants react with naturally-occurring organic matter.  Although these chemicals are not currently regulated very well, the EPA has admitted that they are associated with an increased risk of bladder cancer, as well as kidney, liver, and central nervous system problems.

Still Have Questions About Louisville Drinking Water?

Hydroviv is a water filtration company that uses water quality data to optimize water filters for each customer's water.  The contaminants that we list above are what we consider to be major “points of emphasis” that we use to build water filters that are built specifically for Louisville, but all of our our filters provide broad protection against a wide range of contaminants (including lead).

If you’re interested in learning more about water filters that have been optimized for Louisville tap water, or just have questions about water quality in general, feel free to visit www.hydroviv.com, reach out by email (hello@hydroviv.com) or through our live chat. We also frequently post water-related news on Twitter or Facebook.  We pride ourselves in being a reputable source of information on water quality, and your questions will be answered by scientists, not salespeople (we don't have any salespeople).

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