WaterVerge

Is Malad, ID 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 ↓

2K residents served 1 water system PWSID: ID6360006
Overall Score
92.9 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#10 of 139 in Idaho Top 7% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.9/100
waterverge.com
A 92.9/100

Malad, ID — Water Quality Report

Malad's drinking water received a grade of A (92.9 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 2,200 residents using groundwater.

Lead levels were measured at 4.0 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 21 violations on record, including 5 health-based violations. 1 remains unresolved.

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

What to know about Malad's water

Malad ranks #10 out of 139 cities in Idaho for water quality, placing it one of the best in the state.

Malad 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.

As a small community water system, Malad may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
92.9 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.9/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Malad, ID water safe to drink?

Use Caution

Malad's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,200 residents using groundwater (wells).

1
Active Violations
4.0 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for Malad

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Malad's water quality assessment. Grade: A (92.9/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Disaster
HURRICANE KATRINA

Federal disaster declaration (FEMA DR-3244). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 4.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Malad's water system has 21 total violations on record, including 5 health-based violations. 1 remain unresolved. 1 violation was issued in the last 5 years.

MONMCLMR
Most recent violations:
Mar 2021 Revised Total Coliform Rule Resolved
Aug 2015 Coliform (TCR) Resolved
Feb 2014 Coliform (TCR) Resolved
Nov 2008 Coliform (TCR) Resolved
Aug 2003 Coliform (TCR) Resolved

Flood & environmental risk

Oneida County has experienced 1 federally declared disaster 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.

HURRICANE KATRINA
Hurricane FEMA DR-3244

Where does Malad's water come from?

Malad's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,200 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Malad 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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

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
4.0 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Compliance Record

Violation summary

21
Total violations
5
Health-based
1
Active / unresolved
Mar 2021
Most recent violation
Compliance Record

Violations & advisories

21 Total
1 Active
5 Health-based
20 Resolved
Violations by category
Total Coliform Rule
10
Inorganic Chemicals
4
Nitrate Rule
3
Lead and Copper Rule
2
Revised Total Coliform Rule
1
Active
Compliance Violation
Monitoring 0
Mar 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Mar 2021
Aug 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2015
Feb 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2014
Nov 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2008
Aug 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2003
Dec 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2000
Jan 1998 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1998
Jul 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1997
Jan 1997 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1997
Jan 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 1997
Sep 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1996
Feb 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1996
Jan 1996 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1996
Jan 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 1996
Jul 1994 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1999
Jan 1994 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1999
Jan 1993 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1993 Resolved
Beryllium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1993 Resolved
Thallium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Showing 20 of 21 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Oneida 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)
27.3%
Months in D2+ (last 30y)
6
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Oneida County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3244

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.0 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 1.6 ppb from 2003 (2.4 ppb) to 2024 (4.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,200
Water Systems
1
Water Source

Where Malad's water comes from

Groundwater

Malad'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 2,200 people through 1 water system.

Infrastructure

Water systems serving Malad

System Name PWSID Population Source
MALAD CITY OF ID6360006 2,200 GW
Regional Comparison

How Malad compares

Full Idaho rankings →

Malad's score of 92.9/100 is above the average of 43/100 among major Idaho cities. It outscores 10 of 10 nearby cities.

Malad (this city)
92.9
Boise
33.6
Meridian
42.9
Nampa
41.8
Caldwell
38.5
Idaho avg
43
City Profile

About Malad, ID

Wikipedia →

Malad City is the only city in and the county seat of Oneida County, Idaho, United States. In 2020 the population was 2,299 people.

Economic Profile
$68,594
Median Income
$197,600
Median Home Value
Community
39.8
Median Age
22.2%
College Educated
90%
Homeownership
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Frequently asked questions

Is Malad, ID tap water safe to drink?

Malad's water quality earned a grade of A (92.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #10 out of 139 cities tested in Idaho.

What contaminants are in Malad's water?

Lead was measured at 4.0 ppb (90th percentile). 21 violations are on record.

How is Malad'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 Malad?

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

Where does Malad's water come from?

Malad's water is sourced from Groundwater. The city has 1 water system serving approximately 2,200 residents.

What health violations has Malad's water system had?

Malad has 5 health-based violations on record. The most recent violation was recorded in March 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Malad's groundwater at risk of contamination?

Malad 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 21 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 Malad's water compare to other cities?

Malad ranks #10 out of 139 cities in Idaho (better than 93% of state cities) and #1056 out of 15744 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Malad's small water system affect quality?

Malad's system serves approximately 2,200 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 21 violations on record.