WaterVerge

Is Murray, IA Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

684 residents served 1 water system PWSID: IA2032023
Overall Score
93.6 / 100
Violations
1 active
Last Updated
May 2026
Source
Purchased surface water
#45 of 436 in Iowa Top 5% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93.6/100
waterverge.com
A 93.6/100

Murray, IA — Water Quality Report

Murray's drinking water received a grade of A (93.6 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 684 residents using purchased surface water.

Lead levels were measured at 1.0 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 20 violations on record, including 12 health-based violations. 1 remains unresolved.

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

What to know about Murray's water

Murray ranks #45 out of 436 cities in Iowa 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, Murray may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
93.6 out of 100 Grade A
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 1.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Murray, IA water safe to drink?

Use Caution

Murray's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93.6/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 684 residents using surface water (rivers, lakes, or reservoirs).

1
Active Violations
1.0 ppb
Lead (90th %ile)
7 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: A (93.6/100).

Violation
2 drinking water violations recorded

Contaminants: Chlorine.

Violation
2 drinking water violations recorded

Contaminants: Chlorine.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3239). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, TORNADOES AND FLOODING

Federal disaster declaration (FEMA DR-1230). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Murray's water system has 20 total violations on record, including 12 health-based violations. 1 remain unresolved.

MRMCL
Most recent violations:
Jan 2006 Chlorine Resolved
Jan 2006 Chlorine Resolved
Oct 2005 Chlorine Resolved
Oct 2005 Chlorine Resolved
Jul 1997 Coliform (TCR) Resolved

Flood & environmental risk

Clarke County has experienced 7 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 EVACUATION
Hurricane FEMA DR-3239
SEVERE STORMS, TORNADOES AND FLOODING
Flood FEMA DR-1230
SEVERE STORMS & FLOODING
Flood FEMA DR-996

Where does Murray's water come from?

Murray's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 684 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Murray residents can do

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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

20
Total violations
12
Health-based
1
Active / unresolved
Jan 2006
Most recent violation
Compliance Record

Violations & advisories

20 Total
1 Active
12 Health-based
19 Resolved
Violations by category
Radionuclides and Revised Rad Rule
10
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Inorganic Chemicals
4
Total Coliform Rule
1
Active
Compliance Violation
Monitoring 0
Jan 2006 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2006
Jan 2006 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2006
Oct 2005 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2005
Oct 2005 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2005
Jul 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1997
Apr 1990 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1994
Oct 1985 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Sep 1986
Oct 1985 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 1986
Oct 1984 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Sep 1985
Oct 1984 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 1985
Oct 1983 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Sep 1984
Oct 1983 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 1984
Jul 1983 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 1983
Jul 1983 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1983
Oct 1981 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 1982
Oct 1981 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Sep 1982
Aug 1980 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Oct 1980
Aug 1980 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Oct 1980
Apr 1980 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Oct 1980
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.

FacilityTop chemicalTo surface water (lbs/yr)Distance
ALTEC OSCEOLA BODY PLANT
Transportation Equipment · ALTEC INDUSTRIES INC
OSCEOLA, IA50213
8.7 mi
PAUL MUELLER CO
Machinery · PAUL MUELLER CO
OSCEOLA, IA50213
8.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

7
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Clarke County has experienced 7 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 EVACUATION
Hurricane FEMA #3239
Jul 1998
SEVERE STORMS, TORNADOES AND FLOODING
Flood FEMA #1230
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #996
Oct 1992
SEVERE STORMS & FLOODING
Flood FEMA #965
May 1990
SEVERE STORMS & FLOODING
Flood FEMA #868
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #443

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 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 increased by 1.0 ppb from 1993 (0.0 ppb) to 2024 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
684
Water Systems
1
Water Source

Where Murray's water comes from

Purchased Surface Water

Murray'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 684 people through 1 water system.

Infrastructure

Water systems serving Murray

System Name PWSID Population Source
MURRAY WATER WORKS IA2032023 684 SWP
Regional Comparison

How Murray compares

Full Iowa rankings →

Murray's score of 93.6/100 is above the average of 72/100 among major Iowa cities. It outscores 10 of 10 nearby cities.

Murray (this city)
93.6
Ames
81.5
Iowa avg
72
City Profile

About Murray, IA

Economic Profile
$60,469
Median Income
$63,559
Median Home Value
$925/mo
Median Rent
3.1%
Unemployment
Community
36
Median Age
329
People / sq mi
17%
College Educated
82.8%
Homeownership
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Frequently asked questions

Is Murray, IA tap water safe to drink?

Murray's water quality earned a grade of A (93.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #45 out of 436 cities tested in Iowa.

What contaminants are in Murray's water?

Lead was measured at 1.0 ppb (90th percentile). 20 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 Purchased surface water. The city has 1 water system serving approximately 684 residents.

What health violations has Murray's water system had?

Murray has 12 health-based violations on record. The most recent violation was recorded in January 2006. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

How does Murray's water compare to other cities?

Murray ranks #45 out of 436 cities in Iowa (better than 90% of state cities) and #798 out of 15744 cities nationally (95th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Murray's small water system affect quality?

Murray's system serves approximately 684 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 20 violations on record.