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.

Kentucky Water Quality Reports

Water quality scores for 30 cities in Kentucky

30
Cities Analyzed
81/100
Average Score
6
Cities with Concerns

Radcliff

24,046 residents

A+
Quality Score97/100
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Ashland

21,625 residents

A+
Quality Score96/100
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Erlanger

19,611 residents

A+
Quality Score95/100
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Hopkinsville

31,180 residents

A
Quality Score93/100
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Danville

17,236 residents

A-
Quality Score89/100
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Fort Thomas

16,523 residents

A-
Quality Score89/100
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Jeffersontown

28,129 residents

A-
Quality Score89/100
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Henderson

28,816 residents

A-
Quality Score87/100
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Georgetown

37,086 residents

A-
Quality Score86/100
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Paducah

24,865 residents

A-
Quality Score86/100
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Shively

15,157 residents

A-
Quality Score86/100
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St. Matthews

18,153 residents

A-
Quality Score86/100
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Bowling Green

72,294 residents

A-
Quality Score85/100
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Louisville

633,045 residents

B+
Quality Score84/100
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Winchester

19,134 residents

B+
Quality Score84/100
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Owensboro

60,183 residents

B+
Quality Score83/100
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Nicholasville

31,709 residents

B+
Quality Score82/100
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Richmond

34,585 residents

B+
Quality Score82/100
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Frankfort

28,602 residents

B+
Quality Score81/100
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Glasgow

14,394 residents

B+
Quality Score81/100
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Lexington

322,570 residents

B+
Quality Score81/100
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Independence

28,676 residents

B+
Quality Score80/100
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Murray

19,254 residents

B-
Quality Score73/100
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Covington

40,181 residents

B-
Quality Score71/100
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Elizabethtown

31,394 residents

C+
Quality Score69/100
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Florence

32,721 residents

C+
Quality Score69/100
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Newport

14,150 residents

C+
Quality Score68/100
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Shelbyville

17,282 residents

C+
Quality Score66/100
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Madisonville

19,591 residents

C
Quality Score63/100
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Bardstown

13,567 residents

F
Quality Score46/100
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About Kentucky Water Quality

This state's water quality reflects local geographic conditions, industrial activities, and water infrastructure. Water quality can vary significantly between communities, with some areas enjoying excellent tap water while others face contamination challenges requiring treatment.

Based on our analysis of 30 cities in Kentucky, the average water quality score is 81/100. 6 cities have water quality scores below 70, indicating potential concerns that residents should be aware of. The highest-rated city is Bardstown with a score of 46/100, while Radcliff has the most room for improvement at 97/100.

Water Sources in Kentucky

Water sources typically include a combination of surface water (rivers, lakes, reservoirs) and groundwater. The specific sources serving your community depend on local geography and infrastructure. Check your local water utility's Consumer Confidence Report for details about your water source.

Common Water Contaminants in Kentucky

These contaminants have been detected in various Kentucky water systems

1Disinfection byproducts (chlorination)
2Lead (older infrastructure)
3Nitrates (agricultural areas)
4Naturally occurring minerals
5Industrial contaminants (varies by region)
6PFAS (emerging concern)

Kentucky Water Regulations

State environmental and health agencies oversee drinking water quality in compliance with federal EPA standards. Public water systems are required to test regularly and report results to residents through annual Consumer Confidence Reports.

Health Considerations

Water quality concerns vary by location. Common issues include lead from older plumbing, agricultural runoff in rural areas, and industrial contamination near manufacturing sites. Check your local water quality report and consider testing if you have specific concerns.

Recommendations for Kentucky Residents

Review your annual Consumer Confidence Report to understand local water quality. Consider having your water tested if you use a private well or have concerns about your plumbing. Water filters certified to remove specific contaminants can address most common water quality issues.

Frequently Asked Questions About Kentucky Water Quality

Is Kentucky's tap water safe to drink?

Most Kentucky cities have tap water that meets EPA safety standards. With an average score of 81/100 across 30 cities we analyzed, Kentucky generally has good water quality. However, water quality varies by location, so check your specific city's report.

What are the main water quality concerns in Kentucky?

The most common water quality concerns in Kentucky include disinfection byproducts (chlorination), lead (older infrastructure), nitrates (agricultural areas). These contaminants can come from natural sources, industrial activities, or aging infrastructure. Review your city's specific report to see which contaminants affect your area.

Should I use a water filter in Kentucky?

Whether you need a water filter depends on your specific location and health concerns. With 6 cities in Kentucky showing elevated contaminant levels, residents in those areas may benefit from filtration. Look for filters certified by NSF/ANSI to remove the specific contaminants found in your area.

Where can I find my Kentucky water quality report?

Public water systems in Kentucky are required to provide annual Consumer Confidence Reports (CCRs) to residents. You can usually find your report on your water utility's website, request it by phone, or access it through the EPA's database. Our city-level reports above summarize key information from these official sources.