Drinking water quality · 2024
What's in Lexington, KY tap water
23 contaminants were measured in the Lexington, KY water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 23
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- KY
state-level CCR
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 2.9 mg/LRunning annual avgSystem-wide | 4 mg/LMRDLG | Within the limit |
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 2.9 mg/LRunning annual avgSystem-wide | 4 mg/LMRDLG | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 37 ug/LRunning annual avgSystem-wide | None set | Within the limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 47 ug/LRunning annual avgSystem-wide | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.94 mg/LReported levelRichmond Road Station | 4 mg/LMCLG | Within the limit |
+By source (3)— Richmond Road Station, Kentucky River Station II, Kentucky River Station
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.48 mg/LReported levelKentucky River Station II | 10 mg/LMCLG | Within the limit |
+By source (3)— Kentucky River Station II, Kentucky River Station, Richmond Road Station
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 2 ug/LReported levelKentucky River Station II | None set | Within the limit |
+By source (3)— Kentucky River Station II, Richmond Road Station, Kentucky River Station
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.095 mg/L90th percentileAt the tap | 1.3 mg/LMCLG | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | 0 ug/LMCLG | Within the limit |
| LithiumA naturally occurring element found in some groundwater. | 3.75 ug/LAverageKentucky River Station | None set | Detected — no federal limit |
+By source (3)— Kentucky River Station, Richmond Road Station, Kentucky River Station II
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.1 NTUMaximumRichmond Road Station | None set | Within the limit |
+By source (3)— Richmond Road Station, Kentucky River Station, Kentucky River Station II
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 1.75 mg/LMinimumKentucky River Station II | None set | Detected — no federal limit |
+By source (3)— Kentucky River Station II, Richmond Road Station, Kentucky River Station
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Twofourd | 0–0.3 ug/LRangeKentucky River Station II | None set | Within the limit |
+By source (3)— Kentucky River Station II, Kentucky River Station, Richmond Road Station
| |||
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Hexafluoropropylene oxide dimer acidHFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound. | Not detected ng/LAverageKentucky River Station | 10 ng/LMCL | None detected |
+By source (3)— Kentucky River Station, Richmond Road Station, Kentucky River Station II
| |||
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | Not detected ng/LAverageKentucky River Station | 10 ng/LMCL | None detected |
+By source (3)— Kentucky River Station, Kentucky River Station II, Richmond Road Station
| |||
| Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.' | Not detected ng/LAverageKentucky River Station | 10 ng/LMCL | None detected |
+By source (3)— Kentucky River Station, Richmond Road Station, Kentucky River Station II
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | Not detected ng/LAverageKentucky River Station | 4 ng/LMCL | None detected |
+By source (3)— Kentucky River Station, Richmond Road Station, Kentucky River Station II
| |||
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | Not detected ng/LAverageKentucky River Station | 4 ng/LMCL | None detected |
+By source (3)— Kentucky River Station, Richmond Road Station, Kentucky River Station II
| |||
| 6:2 Fluorotelomer sulfonic acid (6:2 FTS)6:2 fluorotelomer sulfonic acid, a PFAS-related compound. | 4.3 ng/LAverageKentucky River Station II | None set | Detected — no federal limit |
+By source (3)— Kentucky River Station II, Kentucky River Station, Richmond Road Station
| |||
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | 1.775 ng/LAverageRichmond Road Station | None set | Detected — no federal limit |
+By source (3)— Richmond Road Station, Kentucky River Station, Kentucky River Station II
| |||
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | 0.925 ng/LAverageKentucky River Station II | None set | Detected — no federal limit |
+By source (3)— Kentucky River Station II, Kentucky River Station, Richmond Road Station
| |||
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | 2.375 ng/LAverageKentucky River Station II | None set | Detected — no federal limit |
+By source (3)— Kentucky River Station II, Richmond Road Station, Kentucky River Station
| |||
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | 1.3 ng/LAverageRichmond Road Station | None set | Detected — no federal limit |
+By source (3)— Richmond Road Station, Kentucky River Station, Kentucky River Station II
| |||
Source: Lexington, KY's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.
People also ask about Lexington, KY's water
+Is Lexington, KY tap water safe to drink in 2024?
Every one of the 23 contaminants measured in Lexington, KY's 2024 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Lexington, KY tap water?
23 contaminants were measured in Lexington, KY's 2024 Consumer Confidence Report, spanning pfas ("forever chemicals"), metals, and disinfectants. 11 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Lexington, KY's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Lexington, KY's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.
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