WaterVerge

Is Bonnieville, KY Tap Water Safe to Drink?

Graded A-, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: KY0500305
Overall Score
85.7 / 100
Violations
7 active
Last Updated
May 2026
Source
Purchased surface water
#89 of 246 in Kentucky Top 33% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.7/100
waterverge.com
A- 85.7/100

Bonnieville, KY — Water Quality Report

Bonnieville's drinking water received a grade of A- (85.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,109 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 14 violations on record, including 0 health-based violations. 7 remain unresolved.

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

What to know about Bonnieville's water

Bonnieville ranks #89 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, Bonnieville may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
85.7 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.7/45
A
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
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Bonnieville, KY water safe to drink?

Concerns Identified

Bonnieville's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,109 residents using surface water (rivers, lakes, or reservoirs).

7
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Bonnieville

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bonnieville's water quality assessment. Grade: A- (85.7/100).

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4711). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Disaster
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4218). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Bonnieville's water system has 14 total violations on record, including 0 health-based violations. 7 remain unresolved. 2 violations were issued in the last 5 years.

MROther
Most recent violations:
Jul 2025 TTHM Resolved
Jul 2025 Total Haloacetic Acids (HAA5) Resolved
Jul 2017 Consumer Confidence Rule Open
Jul 2015 Public Notice Open
Oct 2014 TTHM Resolved

Flood & environmental risk

Hart County has experienced 4 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 Green River, Bacon Creek.

SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4711
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4218
HURRICANE KATRINA
Hurricane FEMA DR-3231

Where does Bonnieville's water come from?

Bonnieville's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,109 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Green River (river), Bacon Creek (river).

What Bonnieville residents can do

Install a water filter

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

Bonnieville'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

14
Total violations
0
Health-based
7
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

14 Total
7 Active
0 Health-based
7 Resolved
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
6
Consumer Confidence Rule
4
Public Notice Rule and Revised PN Rule
1
Total Coliform Rule
1
Lead and Copper Rule
1
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 Active
Public Notice
Other Violation 0
Nov 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Jul 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Oct 2014 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Oct 2014 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Oct 2013 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2013
Oct 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2013
Jun 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2006
Environmental Risk

Drought conditions

D2 — severe drought

Hart County is currently in D2 (severe 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.

4
Weeks at D2+ (current streak)
8.0%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

4
Declared disasters
May 2023
Most recent
Flood
Most common type

Hart County has experienced 4 federally declared disasters since 1989. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2023
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4711
May 2015
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4218
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 3.0 ppb from 1994 (3.0 ppb) to 2023 (0.0 ppb).
Contaminant Rankings

See how Bonnieville compares by contaminant

Explore where Bonnieville ranks among all Kentucky cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,109
Water Systems
1
Water Source

Where Bonnieville's water comes from

Purchased Surface Water

Bonnieville'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 2,109 people through 1 water system.

Local Hydrology

Water bodies near Bonnieville

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

Green River
river
Bacon Creek
river
Infrastructure

Water systems serving Bonnieville

System Name PWSID Population Source
MUNFORDVILLE WATER DEPT KY0500305 2,109 SWP
Regional Comparison

How Bonnieville compares

Full Kentucky rankings →

Bonnieville's score of 85.7/100 is above the average of 80/100 among major Kentucky cities. It outscores 9 of 10 nearby cities.

Bonnieville (this city)
85.7
Louisville
82.2
Ft. Thomas
86.8
Owensboro
85.1
Kentucky avg
80
City Profile

About Bonnieville, KY

Economic Profile
$30,000
Median Income
$99,125
Median Home Value
$650/mo
Median Rent
0%
Unemployment
Community
31.8
Median Age
177
People / sq mi
5.4%
College Educated
59.8%
Homeownership
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Frequently asked questions

Is Bonnieville, KY tap water safe to drink?

Bonnieville's water quality earned a grade of A- (85.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #89 out of 246 cities tested in Kentucky.

What contaminants are in Bonnieville's water?

Lead was measured at 0.0 ppb (90th percentile). 14 violations are on record.

How is Bonnieville'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 Bonnieville?

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

Where does Bonnieville's water come from?

Bonnieville's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,109 residents.

How does Bonnieville's water compare to other cities?

Bonnieville ranks #89 out of 246 cities in Kentucky (better than 64% of state cities) and #5162 out of 15744 cities nationally (67th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Bonnieville's small water system affect quality?

Bonnieville's system serves approximately 2,109 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 14 violations on record.