WaterVerge

Is Corinth, KY Tap Water Safe to Drink?

Graded B+, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: KY0410662
Overall Score
82.8 / 100
Violations
10 active
Last Updated
May 2026
Source
Purchased surface water
#129 of 246 in Kentucky Top 43% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.8/100
waterverge.com
B+ 82.8/100

Corinth, KY — Water Quality Report

Corinth's drinking water received a grade of B+ (82.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,139 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 28 violations on record, including 13 health-based violations. 10 remain unresolved.

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

What to know about Corinth's water

Corinth ranks #129 out of 246 cities in Kentucky for water quality, placing it below average 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, Corinth may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
82.8 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.8/45
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 Corinth, KY water safe to drink?

Concerns Identified

Corinth's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,139 residents using surface water (rivers, lakes, or reservoirs).

10
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Corinth

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Corinth's water quality assessment. Grade: B+ (82.8/100).

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.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

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 Corinth's water supply.

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

Well within EPA limits.

Violation history

Corinth's water system has 28 total violations on record, including 13 health-based violations. 10 remain unresolved. 1 violation was issued in the last 5 years.

MONMCLMROther
Most recent violations:
Jul 2024 Revised Total Coliform Rule Resolved
Jan 2017 Total Haloacetic Acids (HAA5) Resolved
Oct 2016 TTHM Resolved
Jul 2016 TTHM Open
Jul 2016 TTHM Resolved

Flood & environmental risk

Grant County has experienced 3 federally declared disasters since 2005. 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 Eagle Creek.

SEVERE STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4361
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4218
HURRICANE KATRINA
Hurricane FEMA DR-3231

Where does Corinth's water come from?

Corinth's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,139 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Eagle Creek (river).

What Corinth residents can do

Install a water filter

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

Corinth'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

28
Total violations
13
Health-based
10
Active / unresolved
Jul 2024
Most recent violation
Compliance Record

Violations & advisories

28 Total
10 Active
13 Health-based
18 Resolved
6 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
16
Total Coliform Rule
5
Consumer Confidence Rule
2
Lead and Copper Rule
2
Revised Total Coliform Rule
1
Jul 2016 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2016 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2016 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1993 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2024
Jan 2017 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Mar 2017
Oct 2016 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2016
Jul 2016 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2016
Apr 2016 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Jun 2016
Apr 2016 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2016
Jan 2016 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2016
Jan 2016 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2016
Oct 2015 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Dec 2015
Oct 2015 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Dec 2015
Showing 20 of 28 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Grant 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.

6.8%
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

Grant County has experienced 3 federally declared disasters since 2005. 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
May 2015
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4218
Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3231

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 3.7 ppb from 1994 (3.7 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
3,139
Water Systems
1
Water Source

Where Corinth's water comes from

Purchased Surface Water

Corinth'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 3,139 people through 1 water system.

Local Hydrology

Water bodies near Corinth

Corinth is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Eagle Creek
river
Infrastructure

Water systems serving Corinth

System Name PWSID Population Source
CORINTH WATER DISTRICT KY0410662 3,139 SWP
Regional Comparison

How Corinth compares

Full Kentucky rankings →

Corinth's score of 82.8/100 is on par with the average of 80/100 among major Kentucky cities. It outscores 7 of 10 nearby cities.

Corinth (this city)
82.8
Louisville
82.2
Ft. Thomas
86.8
Owensboro
85.1
Kentucky avg
80
City Profile

About Corinth, KY

Wikipedia →

Corinth is a home rule-class city mostly in Grant County with a small portion of land in Scott County in the U.S. state of Kentucky. As of the 2020 census, Corinth had a population of 226.

Economic Profile
$68,125
Median Income
$147,803
Median Home Value
$500/mo
Median Rent
11.5%
Unemployment
Community
35.6
Median Age
51
People / sq mi
0.5%
College Educated
59.1%
Homeownership
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Frequently asked questions

Is Corinth, KY tap water safe to drink?

Corinth's water quality earned a grade of B+ (82.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #129 out of 246 cities tested in Kentucky.

What contaminants are in Corinth's water?

Lead was measured at 0.0 ppb (90th percentile). 28 violations are on record.

How is Corinth'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 Corinth?

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

Where does Corinth's water come from?

Corinth's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,139 residents.

What health violations has Corinth's water system had?

Corinth has 13 health-based violations on record. The most recent violation was recorded in July 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

How does Corinth's water compare to other cities?

Corinth ranks #129 out of 246 cities in Kentucky (better than 48% of state cities) and #6754 out of 15744 cities nationally (57th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Corinth's small water system affect quality?

Corinth's system serves approximately 3,139 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 28 violations on record.