WaterVerge

Is Coxs Creek, KY Tap Water Safe to Drink?

Graded B+ — but PFOA, 1,4-Dioxane and 1 more were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

13K residents served 1 water system PWSID: KY0900323
Overall Score
82.3 / 100
Violations
7 active
Last Updated
May 2026
Source
Purchased surface water
#133 of 246 in Kentucky Top 45% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.3/100
waterverge.com
B+ 82.3/100

Coxs Creek, KY — Water Quality Report

Coxs Creek's drinking water received a grade of B+ (82.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 13,365 residents using purchased surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 4 PFAS compounds, with levels exceeding EPA maximum contaminant levels in the water supply.

The system has 14 violations on record, including 7 health-based violations. 7 remain unresolved.

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

What to know about Coxs Creek's water

Coxs Creek ranks #133 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.

Of particular concern: PFAS "forever chemical" levels exceed the 2024 EPA maximum contaminant levels. These synthetic compounds don't break down naturally and require specialized filtration such as reverse osmosis or granular activated carbon.

Hexavalent chromium (chromium-6) was detected at 0.16 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
82.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.6/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
12.7/20
C
4 PFAS compounds detected.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Coxs Creek, KY water safe to drink?

Concerns Identified

Coxs Creek's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 13,365 residents using surface water (rivers, lakes, or reservoirs).

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

Recent water quality updates for Coxs Creek

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

PFAS
4 PFAS "forever chemical" compounds detected

PFAS levels exceed EPA maximum contaminant levels. Reverse osmosis or activated carbon filtration recommended.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Coxs Creek's water quality assessment. Grade: B+ (82.3/100).

Violation
1 drinking water violation recorded

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

Violation
2 drinking water violations recorded

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

Violation
1 drinking water violation recorded

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

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 Coxs Creek's water supply.

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

Well within EPA limits.

PFAS (4 compounds) Elevated
Detected: Highest: lithium at 9.1000 µg/L Limit: 0.004 µg/L (EPA MCL)

PFAS "forever chemicals" exceed EPA maximum contaminant levels. Reverse osmosis or granular activated carbon filtration strongly recommended.

PFAS "forever chemicals" detected

UCMR 5 testing found 4 PFAS compounds in Coxs Creek's water supply. PFAS are synthetic chemicals that persist indefinitely in the environment and the human body.

Compound Level EPA MCL Status
lithium 9.1000 µg/L 0.004 µg/L Within Limit
PFOA 0.0057 µg/L 0.004 µg/L Over MCL
PFPeA 0.0040 µg/L 0.004 µg/L Within Limit
PFBS 0.0037 µg/L 0.004 µg/L Within Limit

Violation history

Coxs Creek's water system has 14 total violations on record, including 7 health-based violations. 7 remain unresolved.

MCLMROther
Most recent violations:
Oct 2015 Total Haloacetic Acids (HAA5) Resolved
Jul 2015 Total Haloacetic Acids (HAA5) Resolved
Jul 2015 Total Haloacetic Acids (HAA5) Open
Apr 2015 Total Haloacetic Acids (HAA5) Resolved
Jul 2009 Consumer Confidence Rule Open

Flood & environmental risk

Nelson County has experienced 4 federally declared disasters since 1970. 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 Brashears Creek, Beech Fork.

HURRICANE KATRINA
Hurricane FEMA DR-3231
SEVERE STORMS & FLOODING
Flood FEMA DR-821
SEVERE STORMS & FLOODING
Flood FEMA DR-568

Where does Coxs Creek's water come from?

Coxs Creek's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 13,365 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Brashears Creek (river), Beech Fork (river).

What Coxs Creek residents can do

Install a water filter

Recommended: Reverse osmosis system. This addresses the specific contaminants found in Coxs Creek'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

Coxs Creek'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
lithium
PFAS / Forever Chemical
Near MCL
9.1000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
PFOA
PFAS / Forever Chemical
Over MCL
0.0057 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Exceeds MCL
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
23.9 µg/L
EPA MCL: 60 µg/L · 40% of limit
Within LimitUCMR 4 DataHAA6Br: 5.8 µg/LHAA9: 29.2 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.16 µg/L
CA MCL (no federal MCL): 10 µg/L · 2% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
270.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 18% of limit
DetectedUCMR 3 Data
1,4-Dioxane
Organic
Over HA
0.36 µg/L
EPA Health Advisory: 0.35 µg/L · +3% over limit
Over Health AdvisoryUCMR 3 Data
Manganese
Inorganic
Detected
2.2 µg/L
EPA Secondary MCL: 50 µg/L · 4% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
0.50 µg/L
EPA Short-term HA: 21 µg/L · 2% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Over HA
230.0 µg/L
EPA Lifetime HA: 210 µg/L · +10% over limit
Over Health AdvisoryUCMR 3 Data
Molybdenum
Inorganic
Detected
3.20 µg/L
EPA Lifetime HA: 40 µg/L · 8% of limit
DetectedUCMR 3 Data
Lithium
Inorganic
Detected
9.1 µg/L
State screening level: 60 µg/L · 15% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
4
Detected
1
Exceed EPA MCL
1.43
Hazard Index
PFOA max: 0.0057 µg/L
Compliance Record

Violation summary

14
Total violations
7
Health-based
7
Active / unresolved
Oct 2015
Most recent violation
Compliance Record

Violations & advisories

14 Total
7 Active
7 Health-based
7 Resolved
3 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Consumer Confidence Rule
4
Former Total Trihalomethane Rule
3
Total Coliform Rule
1
Lead and Copper Rule
1
Jul 2015 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Oct 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Nov 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2015 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Dec 2015
Jul 2015 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Sep 2015
Apr 2015 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
SNC Health Resolved Jun 2015
Jul 2007 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2007
Oct 1998 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 1999
Apr 1998 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 1999
Jan 1998 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 1998
Environmental Risk

Drought conditions

D2 — severe drought

Nelson 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.

3
Weeks at D2+ (current streak)
7.4%
Months in D2+ (last 30y)
3
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
Sep 2005
Most recent
Flood
Most common type

Nelson County has experienced 4 federally declared disasters since 1970. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3231
Feb 1989
SEVERE STORMS & FLOODING
Flood FEMA #821
Dec 1978
SEVERE STORMS & FLOODING
Flood FEMA #568
Jun 1970
SEVERE STORMS & FLOODING
Flood FEMA #288

Recommended water filters

Based on contaminants detected in Coxs Creek's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
PFAS compounds exceed EPA maximum contaminant levels

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 9.100 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS 0.004 HI µg/L PFAS Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA 0.006 0.004 µg/L PFAS Over MCL
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA 0.004 HI µg/L PFAS Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 1992 (0.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
13,365
Water Systems
1
Water Source

Where Coxs Creek's water comes from

Purchased Surface Water

Coxs Creek'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 13,365 people through 1 water system.

Local Hydrology

Water bodies near Coxs Creek

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

Brashears Creek
river
Beech Fork
river
Infrastructure

Water systems serving Coxs Creek

System Name PWSID Population Source
NORTH NELSON WATER DISTRICT KY0900323 13,365 SWP
Regional Comparison

How Coxs Creek compares

Full Kentucky rankings →

Coxs Creek's score of 82.3/100 is on par with the average of 80/100 among major Kentucky cities. It outscores 7 of 10 nearby cities.

Coxs Creek (this city)
82.3
Louisville
82.2
Ft. Thomas
86.8
Owensboro
85.1
Kentucky avg
80
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Frequently asked questions

Is Coxs Creek, KY tap water safe to drink?

Coxs Creek's water quality earned a grade of B+ (82.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #133 out of 246 cities tested in Kentucky.

What contaminants are in Coxs Creek's water?

Lead was measured at 0.0 ppb (90th percentile). 4 PFAS compounds were detected. 14 violations are on record.

How is Coxs Creek'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 Coxs Creek?

PFAS compounds exceed EPA limits — a reverse osmosis or activated carbon filter is recommended.

Where does Coxs Creek's water come from?

Coxs Creek's water is sourced from Purchased surface water. The city has 1 water system serving approximately 13,365 residents.

What health violations has Coxs Creek's water system had?

Coxs Creek has 7 health-based violations on record. The most recent violation was recorded in October 2015. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

Why does Coxs Creek have so many PFAS compounds in its water?

4 different PFAS "forever chemical" compounds were detected in Coxs Creek's water supply during UCMR 5 testing. PFAS contamination often originates from proximity to military installations (AFFF firefighting foam), airports, industrial manufacturing sites, or wastewater treatment facilities. Some levels exceed the 2024 EPA maximum contaminant levels — a reverse osmosis or NSF-certified activated carbon filter is strongly recommended.

How does Coxs Creek's water compare to other cities?

Coxs Creek ranks #133 out of 246 cities in Kentucky (better than 46% of state cities) and #7030 out of 15744 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.