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Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Water quality data for 1 cities serving 669,042 residents
Fayette County in Kentucky has an average water quality score of 94/100 (Grade A) based on analysis of 1 municipal water systems. The county's water systems serve approximately 669,042 residents.
Overall, Fayette County demonstrates good water quality standards. 1 of 1 cities exceed the county average, with Lexington leading with a score of 94/100.
1 cities ranked by water quality score
| Rank | City | Score | Grade | Population |
|---|---|---|---|---|
| 1 | Lexington Biggest deduction: Other PFAS detected in UCMR5 sampling: PFBS 3.6 ppt, PFHxA 3.7 ppt, PFBA 5.2 ppt, 6:2 FTS 11.1 ppt, PFPeA 5.2 ppt (−6 pts) | 94 | A | 669,042 |
Real EPA readings across county water systems (lead: latest 90th percentile; PFAS: UCMR5 2023–2026; others: 2012–2019 averages)
| Contaminant | Avg Level | Max Level | EPA Limit | % of Limit | Cities |
|---|---|---|---|---|---|
| HAA5 (2012–2019 avg) | 33.104 ug/L | 33.104 ug/L | 60 ug/L | 55.2% | 1 |
| TTHM (2012–2019 avg) | 44.021 ug/L | 44.021 ug/L | 80 ug/L | 55% | 1 |
| Fluoride (2012–2019 avg) | 0.842 mg/L | 0.842 mg/L | 4 mg/L | 21.1% | 1 |
| Nitrate (2012–2019 avg) | 0.349 mg/L | 0.349 mg/L | 10 mg/L | 3.5% | 1 |
| Radium (2012–2019 avg) | 0.12 pCi/L | 0.12 pCi/L | 5 pCi/L | 2.4% | 1 |
| Lead (90th percentile) | 0 ppb | 0 ppb | 15 ppb | 0% | 1 |
| PFAS (PFOA/PFOS max, UCMR5) | 0 ppt | 0 ppt | 4 ppt | 0% | 1 |
| Arsenic (2012–2019 avg) | 0 ug/L | 0 ug/L | 10 ug/L | 0% | 1 |
Water quality in Fayette County, Kentucky reflects the region's unique combination of water sources, treatment infrastructure, and environmental factors. Our comprehensive analysis examines 1 municipal water systems serving a combined population of over 669,042 residents.
The county shows strong water quality performance, with scores ranging from 94/100 in Lexington to 94/100 in Lexington. This 0-point spread indicates relatively consistent water quality standards across municipal systems.
The most prevalent contaminants detected across Fayette County water systems include HAA5 (2012–2019 avg), TTHM (2012–2019 avg), Fluoride (2012–2019 avg). At least one reading averages above 50% of its EPA limit across the county's systems, worth attention from residents and utilities.
Fayette County's water quality is generally good. Residents can feel confident in their tap water quality, though those with specific health concerns or sensitivity to certain contaminants may still benefit from filtration. Regular review of your city's annual Consumer Confidence Report is recommended.
Fayette County has an average water quality score of 94/100 (Grade A) based on analysis of 1 municipal water systems serving 669,042 residents.
Lexington has the highest water quality score in Fayette County at 94/100. View the detailed report for Lexington.
Most cities in Fayette County have water that meets EPA standards. However, a water filter can provide additional protection and improve taste. The need depends on your specific city and any personal health considerations.
Click on any city in the rankings table above to view its detailed water quality report, including contaminant levels, EPA compliance history, and filter recommendations.