Is Lexington tap water safe to drink?

Yes but with caveats

Lexington's water meets EPA minimum standards but has some concerns. Filtration is recommended for sensitive individuals.

79/100

Purity Score

Issues Found

7.2 GPG

Hardness

Not detected

PFAS

3 Issues Detected in Lexington

Moderately Hard Water (7.2 GPG)

Hardness above 7 GPG can cause minor scale buildup.

Hardness data for Lexington

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Lexington

Arsenic Approaching Limit (0.3 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Lexington

Fix Your Water — See Recommended Filters

Kentucky

405,014,050,240,503 · Kentucky River

Is Lexington Tap Water Safe? Full Analysis

Moderate Risk Updated March 2026 322,570 residents

See Best Filters for Lexington

Purity Score

Lexington has hard water conditions that can affect plumbing, appliances, and daily water use. This report breaks down hardness levels, other contaminants, and the most effective treatment options.

Water Quality Data

Not detected (3.5 ppb)

Hard water in Lexington

Chlorine

Medium

Affects taste and skin. Carbon filter removes it.

Learn about chlorine

TDS

Unknown

High TDS (>500 ppm) may affect taste.

Contaminant Levels

PFAS

Lead

3.5 ppb

Nitrate

0.8 mg/L

Arsenic

0.3 mg/L

Hardness

7.2 gpg

Health Insights

1
With a hardness of 7.2 GPG, Lexington residents may notice white scale on faucets. Hard water increases maintenance costs.
2
Chlorine levels may affect the taste of Lexington's tap water. A carbon filter improves flavor.

Score

79 /100

Good

"Good" threshold (70)

Lexington tap water is sourced from Kentucky River and treated by Kentucky American Water Lexington. Water hardness is hard at 7.2 GPG which may cause scale buildup. Overall purity score: 79/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to Lexington's 3 issues.

See Filters

MATCHED TO LEXINGTON'S WATER DATA

Best Water Filters for Lexington, KY (2026)

Matched to Hard Water (7.2 GPG), Moderate Chlorine in Lexington.

Hard Water (7.2 GPG) Moderate Chlorine

Best Overall #1 for Lexington

AFWFilters 5600sxt 48000 Grain Softener

Salt-Based Water Softener

$650-750

Why this fits Lexington

Handles Lexington's hard water (Hard Water (7.2 GPG))
Premium quality at $650-750

Pros & Cons +

48000 grain capacity handles very hard water

Digital metered valve saves salt

Requires salt refills monthly

Does not remove contaminants

Fix Your Water — Check Price

Best Value

Clearly Filtered Water Pitcher

Pitcher Filter

$80-95

Why this fits Lexington

Eliminates chlorine taste and odor from Lexington's water
NSF/ANSI 42 + NSF/ANSI 53 + NSF/ANSI 401 certified
Budget-friendly at $80-95

Pros & Cons +

No installation fill and pour

Removes 365+ contaminants including PFAS

Small capacity 2-3 people

Filter replacements every 4 months

Check Price on Amazon

Best for Taste

Waterdrop 10UA Under-Sink Filter

Under-Sink Carbon Filter

$40-60

Why this fits Lexington

Eliminates chlorine taste and odor from Lexington's water
NSF/ANSI 42 certified
Budget-friendly at $40-60

Pros & Cons +

Very affordable

Easy DIY install no plumber

Does not remove PFAS or hardness

Single point of use only

Check Price on Amazon

Also Recommended

Waterdrop G3P800 Tankless RO

Tankless Reverse Osmosis

$380-450

Why this fits Lexington

Eliminates chlorine taste and odor from Lexington's water
NSF/ANSI 58 + NSF 372 certified
Premium quality at $380-450

Pros & Cons +

No tank saves cabinet space

800 GPD fast flow rate

Higher upfront cost

Filter replacements are proprietary

Check Price on Amazon

As an Amazon Associate, PurityMap may earn from qualifying purchases. Based on latest Lexington water data.

Full Filter Comparison for Lexington

Know exactly what's in YOUR tap

City data shows averages. Your home may differ.

Test Your Water — $25-30

About Lexington's Water

Lexington Hard Water: Effects on Your Home

Hard water conditions in Lexington (7.2 GPG) can leave white mineral deposits on fixtures, reduce soap lather, and gradually damage water-using appliances. Water heaters are particularly vulnerable: scale insulates the heating element, raising energy costs and reducing lifespan. A water softener exchanging calcium and magnesium for sodium eliminates scale formation throughout the home. For households concerned about sodium in drinking water, pairing a softener with an RO system at the kitchen tap is the standard approach.

Explore Lexington Water Data

Lexington Water FAQ

Is Lexington KY tap water safe to drink in 2026?

Lexington tap water meets EPA federal drinking water standards and scores 79/100 (Good) on PurityMap for 2026. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.

Does Lexington KY use chlorine or chloramine for disinfection?

Lexington uses chloramine as the primary disinfectant with a residual level of 1.5 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.

How hard is Lexington KY water and what is the TDS level?

Lexington water hardness is 7.2 grains per gallon (hard) with a TDS of 250 ppm (fair). This level causes noticeable scale buildup in water heaters kettles and dishwashers. A water softener is recommended to protect plumbing and reduce soap usage.

Has PFAS been found in Lexington KY drinking water?

Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Lexington drinking water.

What is the best water filter for Lexington?

Based on Lexington's water profile, we recommend the AFWFilters 5600sxt 48000 Grain Softener. Lexington has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

LouisvilleKentucky — 64/100 OwensboroKentucky — 79/100 CovingtonKentucky — 79/100 Bowling GreenKentucky — 82/100

All Kentucky cities

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Compare across all 50 US states

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Data Sources

EPA SDWIS
EWG Tap Water Database
Kentucky American Water Lexington CCR
USGS monitoring data

PurityMap compiles public data. Updated March 2026.

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