WaterVerge

Is Auburn, KY Tap Water Safe to Drink?

Graded A-, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 2 water systems PWSID: KY0710012
Overall Score
87.4 / 100
Violations
11 active
Last Updated
May 2026
Source
Purchased surface water
#62 of 246 in Kentucky Top 26% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.4/100
waterverge.com
A- 87.4/100

Auburn, KY — Water Quality Report

Auburn's drinking water received a grade of A- (87.4 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,718 residents using purchased surface water.

Lead levels were measured at 3.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 38 violations on record, including 5 health-based violations. 11 remain unresolved.

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

What to know about Auburn's water

Auburn ranks #62 out of 246 cities in Kentucky for water quality, placing it above 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, Auburn may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
87.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.4/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
18/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Auburn, KY water safe to drink?

Concerns Identified

Auburn's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,718 residents using surface water (rivers, lakes, or reservoirs).

11
Active Violations
3.0 ppb
Lead (90th %ile)
None
PFAS Detected
2 events
Disaster History

Recent water quality updates for Auburn

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Auburn's water quality assessment. Grade: A- (87.4/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Disaster
HURRICANE KATRINA

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

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-265). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Auburn's water system has 38 total violations on record, including 5 health-based violations. 11 remain unresolved. 1 violation was issued in the last 5 years.

MCLOtherMRTT
Most recent violations:
Apr 2022 TTHM Resolved
Jul 2017 Consumer Confidence Rule Open
Oct 2015 Public Notice Open
Oct 2014 Public Notice Open
Jul 2014 Consumer Confidence Rule Open

Flood & environmental risk

Logan County has experienced 2 federally declared disasters since 1969. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE KATRINA
Hurricane FEMA DR-3231
SEVERE STORMS & FLOODING
Flood FEMA DR-265

Where does Auburn's water come from?

Auburn's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 2,718 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Auburn residents can do

Install a water filter

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

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
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

38
Total violations
5
Health-based
11
Active / unresolved
Apr 2022
Most recent violation
Compliance Record

Violations & advisories

38 Total
11 Active
5 Health-based
27 Resolved
Violations by category
Inorganic Chemicals
14
Stage 2 Disinfectants and Disinfection Byproducts Rule
5
Consumer Confidence Rule
5
Total Coliform Rule
3
Surface Water Treatment Rule
3
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Oct 2015 Active
Public Notice
Other Violation 0
Oct 2014 Active
Public Notice
Other Violation 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Jul 1998 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
Active
Compliance Violation
Monitoring 0
Apr 2022 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2022
Dec 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2014
Dec 2013 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2014
Oct 2013 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2013
Oct 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2013
Jan 2011 Resolved
Asbestos
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Feb 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2005
Nov 2002 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Nov 2002
Jul 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2002
Showing 20 of 38 violations
Industrial pollution

Top industrial polluters within 10 miles of Auburn

Industrial polluters nearby

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

Total reported releases to surface water: 1,477 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
DARLING INGREDIENTS INC.
Food · DARLING INGREDIENTS INC
RUSSELLVILLE, KY42276
Nitrate compounds (water dissociable; reportable only when in aqueous solution)1,4779.5 mi
CARRIER CORP - FRANKLIN
Primary Metals · CARRIER CORP
FRANKLIN, KY42134
9.5 mi
FRITZ WINTER
Primary Metals · NA
FRANKLIN, KY42134
9.4 mi
CHAMPION PETFOODS USA INC
Food · NA
AUBURN, KY42206
5.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Auburn

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

D3 — extreme drought

Logan County is currently in D3 (extreme 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.

5
Weeks at D2+ (current streak)
8.6%
Months in D2+ (last 30y)
5
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Logan County has experienced 2 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3231
Jul 1969
SEVERE STORMS & FLOODING
Flood FEMA #265

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 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 ND HI µg/L PFAS Not 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 ND HI µg/L PFAS Not 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 ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not 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 10.0 ppb from 1993 (10.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,718
Water Systems
2
Water Source

Where Auburn's water comes from

Purchased Surface Water

Auburn'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 2,718 people through 2 water systems.

Infrastructure

Water systems serving Auburn

System Name PWSID Population Source
AUBURN MUN WATER WORKS KY0710012 1,931 SWP
ADAIRVILLE WATER WORKS KY0710001 787 SWP
Regional Comparison

How Auburn compares

Full Kentucky rankings →

Auburn's score of 87.4/100 is above the average of 80/100 among major Kentucky cities. It outscores 10 of 10 nearby cities.

Auburn (this city)
87.4
Louisville
82.2
Ft. Thomas
86.8
Owensboro
85.1
Kentucky avg
80
City Profile

About Auburn, KY

Economic Profile
$40,259
Median Income
$115,004
Median Home Value
$735/mo
Median Rent
8.8%
Unemployment
Community
36.3
Median Age
347
People / sq mi
16.3%
College Educated
73.3%
Homeownership
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Frequently asked questions

Is Auburn, KY tap water safe to drink?

Auburn's water quality earned a grade of A- (87.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #62 out of 246 cities tested in Kentucky.

What contaminants are in Auburn's water?

Lead was measured at 3.0 ppb (90th percentile). No PFAS compounds were detected. 38 violations are on record.

How is Auburn'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 Auburn?

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

Where does Auburn's water come from?

Auburn's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 2,718 residents.

What health violations has Auburn's water system had?

Auburn has 5 health-based violations on record. The most recent violation was recorded in April 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

How does Auburn's water compare to other cities?

Auburn ranks #62 out of 246 cities in Kentucky (better than 75% of state cities) and #4070 out of 15744 cities nationally (74th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.