Hardin County Water District #1 water quality

Updated 2026-10-22 · Kentucky · Affiliate disclosure

We read 8 results from Hardin County Water District #1’s 2025 water quality report. No results over a legal limit; 1 above a health goal or guideline.

Serves about 30,230 people · Water system ID KY0470393 · Read the district’s 2025 report (opens in a new tab)

Open this district in the water lookupCompare with your own test results, see the district map and get matched filters.

Results from the 2025 report

Each number is copied from the district’s report and links to the page it’s printed on. Where the report lists several plants, wells or purchased water, the highest is shown.

ContaminantResultHealth goalLegal limitWhat it means
Lead90th percentile of homes tested · listed as a violation in the report · Customer taps (HC1) · 2025 report, page 23 ppb0.2 ppb15 ppb (action level)Above the health goal15x the health goal
Bariumhighest measured · range 0.03 to 0.03 · listed as a violation in the report · HC1 plant · 2025 report, page 20.03 ppm2 ppm2 ppmBelow the health goal
Chloramineas reported · range 0.6 to 3.3 · listed as a violation in the report · HC1 distribution · 2025 report, page 22.49 ppmNone set4 ppmBelow the legal limit
Copper90th percentile of homes tested, 0 over the action level · listed as a violation in the report · Customer taps (HC1) · 2025 report, page 20.12 ppm0.3 ppm1.3 ppm (action level)Below the health goal
Disinfection byproducts (HAA5)as reported · range 12 to 36 · listed as a violation in the report · HC1 distribution · 2025 report, page 223 ppbNone set60 ppbBelow the legal limit
Disinfection byproducts (TTHM)as reported · range 15 to 37 · listed as a violation in the report · HC1 distribution · 2025 report, page 226 ppbNone set80 ppbBelow the legal limit
Fluoridehighest measured · range 0.55 to 0.55 · listed as a violation in the report · HC1 plant · 2025 report, page 20.55 ppm1 ppm4 ppmBelow the health goal
Nitrate (as N)highest measured · range 2.17 to 2.17 · listed as a violation in the report · HC1 plant · 2025 report, page 22.17 ppm10 ppm10 ppmBelow the health goal

Utility results describe the whole system, measured where water enters the pipes, not your tap. Your home’s plumbing can add lead or copper.

What you can do

Nothing here is an emergency notice: if the district has a violation, it must tell customers directly. If you’d like to lower these at your tap, these are the treatments that remove them, and the catalog shows the models certified for each. Ranking is by certified removal; commissions never change the order.

Lead

Found: Lead

What removes it: Certified carbon block or RO.

See filters that remove itWhat water filter removes lead?

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