WaterVerge

Is Worthington, KY Tap Water Safe to Drink?

Graded A-, with 6 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: KY0450478
Overall Score
89.7 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#29 of 246 in Kentucky Top 17% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.7/100
waterverge.com
A- 89.7/100

Worthington, KY — Water Quality Report

Worthington's drinking water received a grade of A- (89.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,673 residents using groundwater.

Lead levels were measured at 3.0 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 18 violations on record, including 0 health-based violations. 6 remain unresolved.

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

What to know about Worthington's water

Worthington ranks #29 out of 246 cities in Kentucky for water quality, placing it above average in the state.

Worthington relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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

Quality Breakdown

Water quality score

See methodology →
89.7 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.7/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Worthington, KY water safe to drink?

Concerns Identified

Worthington's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,673 residents using groundwater (wells).

6
Active Violations
3.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Worthington

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Worthington's water quality assessment. Grade: A- (89.7/100).

Disaster
SEVERE, STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4595). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

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.

Key contaminant findings

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

Lead Within Limits
Detected: 3.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Worthington's water system has 18 total violations on record, including 0 health-based violations. 6 remain unresolved.

OtherMONMR
Most recent violations:
Apr 2020 Public Notice Open
Jul 2019 Consumer Confidence Rule Open
Feb 2019 Revised Total Coliform Rule Resolved
Apr 2017 TTHM Resolved
Apr 2017 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Greenup County has experienced 6 federally declared disasters since 1967. 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 Ohio River.

SEVERE, STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4595
SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4361
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4218

Where does Worthington's water come from?

Worthington's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,673 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Ohio River (river).

What Worthington residents can do

Install a water filter

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

Worthington'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
3.0 ppb
EPA Action Level: 15 ppb · 20% of limit
Safe Level
Compliance Record

Violation summary

18
Total violations
0
Health-based
6
Active / unresolved
Apr 2020
Most recent violation
Compliance Record

Violations & advisories

18 Total
6 Active
0 Health-based
12 Resolved
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
6
Consumer Confidence Rule
3
Public Notice Rule and Revised PN Rule
2
Ground Water Rule
2
Revised Total Coliform Rule
1
Apr 2020 Active
Public Notice
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Feb 2013 Active
Public Notice
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Feb 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Feb 2019
Apr 2017 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2017
Apr 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2017
Jan 2016 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Jan 2016 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Oct 2015 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Apr 2012 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2012
Nov 2010 Resolved
Groundwater Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2010
Oct 2010 Resolved
Groundwater Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2010
Jul 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2001
Jul 1995 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1999
Industrial pollution

Top industrial polluters within 10 miles of Worthington

Industrial polluters nearby

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

Total reported releases to surface water: 8,376 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
ALTIVIA PETROCHEMICALS, LLC
Chemicals · ALTIVIA CORP
HAVERHILL, OH45636
Formic acid8,3735.1 mi
AMERICAS STYRENICS LLC - HANGING ROCK
Chemicals · AMERICAS STYRENICS LLC
IRONTON, OH45638
Zinc compounds33.3 mi
FEDERAL CORRECTIONAL INSTITUTION ASHLAND KY
Other · US DEPARTMENT OF JUSTICE
ASHLAND, KY41105
8.2 mi
NEXPERA WURTLAND PLANT
Chemicals · NEXPERA LLC
WURTLAND, KY41144
2.8 mi
VESUVIUS USA - WURTLAND PLANT
Nonmetallic Mineral Product · VESUVIUS USA CORP
WURTLAND, KY41144
1.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Worthington

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D1 — moderate drought

Greenup 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.

12.5%
Months in D2+ (last 30y)

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

Environmental Risk

Flood & disaster history

6
Declared disasters
Apr 2021
Most recent
Flood
Most common type

Greenup County has experienced 6 federally declared disasters since 1967. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Apr 2021
SEVERE, STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4595
Apr 2018
SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4361
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
Mar 1967
SEVERE STORMS & FLOODING
Flood FEMA #226

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 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 2.5 ppb from 1993 (5.5 ppb) to 2023 (3.0 ppb).
Contaminant Rankings

See how Worthington compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,673
Water Systems
1
Water Source

Where Worthington's water comes from

Groundwater

Worthington's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 1,673 people through 1 water system.

Local Hydrology

Water bodies near Worthington

Worthington is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Ohio River
river
Infrastructure

Water systems serving Worthington

System Name PWSID Population Source
WORTHINGTON MUNICIPAL WATER WORKS KY0450478 1,673 GW
Regional Comparison

How Worthington compares

Full Kentucky rankings →

Worthington's score of 89.7/100 is above the average of 80/100 among major Kentucky cities. It outscores 10 of 10 nearby cities.

Worthington (this city)
89.7
Louisville
82.2
Ft. Thomas
86.8
Owensboro
85.1
Kentucky avg
80
City Profile

About Worthington, KY

Wikipedia →

Worthington is a home rule-class city on the south bank of the Ohio River in Greenup County, Kentucky, in the United States. As of the 2020 census, Worthington had a population of 1,501.

Economic Profile
$60,972
Median Income
$115,373
Median Home Value
$865/mo
Median Rent
2.8%
Unemployment
Community
37.1
Median Age
585
People / sq mi
10.8%
College Educated
64%
Homeownership
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Frequently asked questions

Is Worthington, KY tap water safe to drink?

Worthington's water quality earned a grade of A- (89.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #29 out of 246 cities tested in Kentucky.

What contaminants are in Worthington's water?

Lead was measured at 3.0 ppb (90th percentile). 18 violations are on record.

How is Worthington'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 Worthington?

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

Where does Worthington's water come from?

Worthington's water is sourced from Groundwater. The city has 1 water system serving approximately 1,673 residents.

Is Worthington's groundwater at risk of contamination?

Worthington uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 18 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Worthington's water compare to other cities?

Worthington ranks #29 out of 246 cities in Kentucky (better than 88% of state cities) and #2662 out of 15744 cities nationally (83th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Worthington's small water system affect quality?

Worthington's system serves approximately 1,673 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 18 violations on record.