WaterVerge

Is Murray, KY Tap Water Safe to Drink?

Graded C- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

26K residents served 2 water systems PWSID: KY0180306
Overall Score
57 / 100
Violations
55 active
Last Updated
May 2026
Source
Groundwater
#230 of 246 in Kentucky Top 79% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C-GRADE
Water Quality Grade
57/100
waterverge.com
C- 57/100

Murray, KY — Water Quality Report

Murray's drinking water received a grade of C- (57 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 26,376 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 339 violations on record, including 1 health-based violation. 55 remain unresolved.

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

What to know about Murray's water

Murray ranks #230 out of 246 cities in Kentucky for water quality, placing it among the lowest-rated in the state.

Murray 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.

Quality Breakdown

Water quality score

See methodology →
57 out of 100 Grade C-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
12.3/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
15.8/20
B
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Murray, KY water safe to drink?

Concerns Identified

Murray's drinking water has significant quality concerns based on EPA testing data. With a grade of C- (57/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 26,376 residents using groundwater (wells).

55
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
4 events
Disaster History

Recent water quality updates for Murray

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Murray's water quality assessment. Grade: C- (57/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Nitrate.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE, STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

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

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 Murray's water supply.

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 3.02 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Murray's water system has 339 total violations on record, including 1 health-based violation. 55 remain unresolved. 3 violations were issued in the last 5 years.

OtherMRMCL
Most recent violations:
Aug 2025 Public Notice Open
Apr 2024 Nitrate Resolved
Jan 2024 Lead and Copper Rule Open
Jan 2020 E. COLI Open
Jan 2020 o-Dichlorobenzene Resolved

Flood & environmental risk

Calloway County has experienced 4 federally declared disasters since 1975. 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 Clarks River.

SEVERE, STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4595
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4218
HURRICANE KATRINA
Hurricane FEMA DR-3231

Where does Murray's water come from?

Murray's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 26,376 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Clarks River (river).

What Murray residents can do

Install a water filter

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

Murray'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
Copper (90th percentile)
Inorganic
Over Limit
3.02 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
1.1 µg/L
EPA MCL: 60 µg/L · 2% of limit
Within LimitUCMR 4 DataHAA6Br: 1.0 µg/LHAA9: 1.7 µg/L
Strontium
Inorganic
Detected
22.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 1% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
0.5 µg/L
EPA Secondary MCL: 50 µg/L · 1% of limit
DetectedUCMR 4 Data
PFAS Testing

Forever chemicals overview

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

Violation summary

339
Total violations
1
Health-based
55
Active / unresolved
Aug 2025
Most recent violation
Compliance Record

Violations & advisories

339 Total
55 Active
1 Health-based
284 Resolved
2 SNC
Violations by category
Synthetic Organic Chemicals
127
Volatile Organic Chemicals
100
Inorganic Chemicals
34
Consumer Confidence Rule
26
Public Notice Rule and Revised PN Rule
16
Aug 2025 Active
Public Notice
Other Violation 0
Jan 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2020 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Mar 2017 Active
Public Notice
Other Violation 0
Mar 2016 Active
Public Notice
Other Violation 0
Dec 2015 Active
Public Notice
Other Violation 0
Oct 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Oct 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Nov 2013 Active
Public Notice
Other Violation 0
Oct 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jan 2013 Active
Groundwater Rule
Other Violation 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Mar 2012 Active
Public Notice
Other Violation 0
Mar 2012 Active
Public Notice
Other Violation 0
Aug 2011 Active
Public Notice
Other Violation 0
Showing 20 of 339 violations
Industrial pollution

Top industrial polluters within 10 miles of Murray

Industrial polluters nearby

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

Total reported releases to surface water: 194 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
VANDERBILT CHEMICALS LLC-MURRAY DIV
Chemicals · RT VANDERBILT HOLDING CO INC
MURRAY, KY42071
Molybdenum trioxide1942.5 mi
PELLA CORP - MURRAY OPERATIONS
Plastics and Rubber · PELLA CORP
MURRAY, KY42071
2.5 mi
SAPUTO CHEESE USA INC.
Food · SAPUTO INC
MURRAY, KY42071
1.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Calloway 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.

6
Weeks at D2+ (current streak)
5.0%
Months in D2+ (last 30y)
8
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
Apr 2021
Most recent
Flood
Most common type

Calloway County has experienced 4 federally declared disasters since 1975. 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
May 2015
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4218
Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3231
Mar 1975
SEVERE STORMS & FLOODING
Flood FEMA #461

Recommended water filters

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

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 3.02 1.3 mg/L Inorganic Over Limit
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 increased by 15.0 ppb from 1992 (4.0 ppb) to 2025 (19.0 ppb).

Copper level (90th percentile)

Latest reading: 3.024 mg/L (2000)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
26,376
Water Systems
2
Water Source

Where Murray's water comes from

Groundwater

Murray'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 26,376 people through 2 water systems.

Local Hydrology

Water bodies near Murray

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

Clarks River
river
Infrastructure

Water systems serving Murray

System Name PWSID Population Source
MURRAY WATER SYSTEM KY0180306 26,302 GW
STELLA TRAILER PARK KY0180914 74 GW
Regional Comparison

How Murray compares

Full Kentucky rankings →

Murray's score of 57/100 is below the average of 80/100 among major Kentucky cities. 10 of 10 nearby cities score higher.

Murray (this city)
57
Louisville
82.2
Ft. Thomas
86.8
Owensboro
85.1
Kentucky avg
80
City Profile

About Murray, KY

Wikipedia →

Murray is a home rule-class city in Calloway County, Kentucky, United States. It is the seat of Calloway County and the 19th-largest city in Kentucky. The city's population was 17,307 during the 2020 U.S. census, and its micropolitan area's population is 37,191. Murray is a college town and is the home of Murray State University.

Economic Profile
$37,421
Median Income
$186,065
Median Home Value
$762/mo
Median Rent
5.1%
Unemployment
Community
25.6
Median Age
577
People / sq mi
35.7%
College Educated
40.6%
Homeownership
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Frequently asked questions

Is Murray, KY tap water safe to drink?

Murray's water quality earned a grade of C- (57/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #230 out of 246 cities tested in Kentucky.

What contaminants are in Murray's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 339 violations are on record.

How is Murray'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 Murray?

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

Where does Murray's water come from?

Murray's water is sourced from Groundwater. The city has 2 water systems serving approximately 26,376 residents.

What health violations has Murray's water system had?

Murray has 1 health-based violation on record. The most recent violation was recorded in August 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 55 violations remain unresolved.

Is Murray's groundwater at risk of contamination?

Murray 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 339 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 Murray's water compare to other cities?

Murray ranks #230 out of 246 cities in Kentucky (better than 7% of state cities) and #12401 out of 15744 cities nationally (21th percentile). The grade of C- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.