WaterVerge

Is Butler, KY Tap Water Safe to Drink?

Graded B+, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

980 residents served 1 water system PWSID: KY0960051
Overall Score
83.9 / 100
Violations
14 active
Last Updated
May 2026
Source
Purchased surface water
#109 of 246 in Kentucky Top 40% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.9/100
waterverge.com
B+ 83.9/100

Butler, KY — Water Quality Report

Butler's drinking water received a grade of B+ (83.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 980 residents using purchased surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 48 violations on record, including 4 health-based violations. 14 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Butler's water

Butler ranks #109 out of 246 cities in Kentucky for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Butler may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
83.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Butler, KY water safe to drink?

Concerns Identified

Butler's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 980 residents using surface water (rivers, lakes, or reservoirs).

14
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Butler

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Butler's water quality assessment. Grade: B+ (83.9/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4361). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA

Federal disaster declaration (FEMA DR-3231). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Butler's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Butler's water system has 48 total violations on record, including 4 health-based violations. 14 remain unresolved. 4 violations were issued in the last 5 years.

OtherMRMONTT
Most recent violations:
Jul 2023 Consumer Confidence Rule Open
Jun 2023 TTHM Resolved
Jun 2023 Total Haloacetic Acids (HAA5) Resolved
Apr 2023 Revised Total Coliform Rule Resolved
Mar 2018 TTHM Resolved

Flood & environmental risk

Pendleton County has experienced 3 federally declared disasters since 1989. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include South Fork Licking River, Licking River.

SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4361
HURRICANE KATRINA
Hurricane FEMA DR-3231
SEVERE STORMS & FLOODING
Flood FEMA DR-821

Where does Butler's water come from?

Butler's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 980 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include South Fork Licking River (river), Licking River (river).

What Butler residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Butler's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Butler's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

48
Total violations
4
Health-based
14
Active / unresolved
Jul 2023
Most recent violation
Compliance Record

Violations & advisories

48 Total
14 Active
4 Health-based
34 Resolved
Violations by category
Surface Water Treatment Rule
13
Consumer Confidence Rule
8
Total Coliform Rule
8
Inorganic Chemicals
6
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Oct 2014 Active
Public Notice
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Oct 2008 Active
Consumer Confidence Rule
Other Violation 0
Oct 2008 Active
Public Notice
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Oct 2005 Active
Consumer Confidence Rule
Other Violation 0
Jan 2002 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2000 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 1999 Active
Consumer Confidence Rule
Other Violation 0
Jan 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jun 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2023
Jun 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2023
Apr 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2023
Mar 2018 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved May 2018
Mar 2018 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2018
Jul 2014 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2014
Showing 20 of 48 violations
Industrial pollution

Top industrial polluters within 10 miles of Butler

Industrial polluters nearby

Reported releases to surface water by facilities near Butler, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
CARMEUSE LIME & STONE BLACK RIVER FACILITY
Nonmetallic Mineral Product · CARMEUSE NORTH AMERICA
BUTLER, KY41006
7.7 mi
DARLING INGREDIENTS INC.
Food · DARLING INGREDIENTS INC
BUTLER, KY41006
4.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Pendleton County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

9.8%
Months in D2+ (last 30y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

3
Declared disasters
Apr 2018
Most recent
Flood
Most common type

Pendleton County has experienced 3 federally declared disasters since 1989. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Apr 2018
SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4361
Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3231
Feb 1989
SEVERE STORMS & FLOODING
Flood FEMA #821

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.2 ppb from 1994 (0.2 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
980
Water Systems
1
Water Source

Where Butler's water comes from

Purchased Surface Water

Butler's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 980 people through 1 water system.

Local Hydrology

Water bodies near Butler

Butler is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

South Fork Licking River
river
Licking River
river
Infrastructure

Water systems serving Butler

System Name PWSID Population Source
BUTLER WATER WORKS KY0960051 980 SWP
Regional Comparison

How Butler compares

Full Kentucky rankings →

Butler's score of 83.9/100 is on par with the average of 80/100 among major Kentucky cities. It outscores 8 of 10 nearby cities.

Butler (this city)
83.9
Louisville
82.2
Ft. Thomas
86.8
Owensboro
85.1
Kentucky avg
80
City Profile

About Butler, KY

Economic Profile
$40,893
Median Income
$115,494
Median Home Value
$854/mo
Median Rent
4.4%
Unemployment
Community
49.5
Median Age
861
People / sq mi
14.2%
College Educated
45.5%
Homeownership
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Frequently asked questions

Is Butler, KY tap water safe to drink?

Butler's water quality earned a grade of B+ (83.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #109 out of 246 cities tested in Kentucky.

What contaminants are in Butler's water?

Lead was measured at 0.0 ppb (90th percentile). 48 violations are on record.

How is Butler's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Butler?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Butler's water come from?

Butler's water is sourced from Purchased surface water. The city has 1 water system serving approximately 980 residents.

What health violations has Butler's water system had?

Butler has 4 health-based violations on record. The most recent violation was recorded in July 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.

How does Butler's water compare to other cities?

Butler ranks #109 out of 246 cities in Kentucky (better than 56% of state cities) and #6197 out of 15744 cities nationally (61th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Butler's small water system affect quality?

Butler's system serves approximately 980 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 48 violations on record.