WaterVerge

Is Lynn, AR Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

651 residents served 1 water system PWSID: AR0000299
Overall Score
91.1 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#75 of 345 in Arkansas Top 12% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.1/100
waterverge.com
A 91.1/100

Lynn, AR — Water Quality Report

Lynn's drinking water received a grade of A (91.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 651 residents using groundwater.

Lead levels were measured at 2.0 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 33 violations on record, including 8 health-based violations. 2 remain unresolved.

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

What to know about Lynn's water

Lynn ranks #75 out of 345 cities in Arkansas for water quality, placing it above average in the state.

Lynn 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, Lynn may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
91.1 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.1/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
19/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Lynn, AR water safe to drink?

Use Caution

Lynn's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 651 residents using groundwater (wells).

2
Active Violations
2.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Lynn

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lynn's water quality assessment. Grade: A (91.1/100).

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4873). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE LAURA

Federal disaster declaration (FEMA DR-3541). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Groundwater Rule.

Violation
1 drinking water violation recorded

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

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Lynn's water system has 33 total violations on record, including 8 health-based violations. 2 remain unresolved.

RPTMRMCLOther
Most recent violations:
Oct 2017 Revised Total Coliform Rule Open
Dec 2010 Groundwater Rule Resolved
Dec 2008 Coliform (TCR) Resolved
Dec 2006 Coliform (TCR) Resolved
Oct 2006 Coliform (TCR) Resolved

Flood & environmental risk

Lawrence County has experienced 5 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.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-4873
HURRICANE LAURA
Hurricane FEMA DR-3541
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3215

Where does Lynn's water come from?

Lynn's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 651 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Lynn 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

Lynn'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

33
Total violations
8
Health-based
2
Active / unresolved
Oct 2017
Most recent violation
Compliance Record

Violations & advisories

33 Total
2 Active
8 Health-based
31 Resolved
Violations by category
Total Coliform Rule
30
Revised Total Coliform Rule
1
Ground Water Rule
1
Oct 2017 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Active
Compliance Violation
Monitoring 0
Dec 2010 Resolved
Groundwater Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2011
Dec 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2008
Dec 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Oct 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2006
Aug 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2006
Jun 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2005
Mar 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2003
Feb 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2003
Sep 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2002
May 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2002
Mar 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2000
Nov 1999 Resolved
Coliform (TCR)
Other Violation Resolved Nov 1999
Nov 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1999
Oct 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1999
Oct 1999 Resolved
Coliform (TCR)
Other Violation Resolved Oct 1999
Feb 1999 Resolved
Coliform (TCR)
Other Violation Resolved Feb 1999
Feb 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 1999
Oct 1998 Resolved
Coliform (TCR)
Other Violation Resolved Oct 1998
Showing 20 of 33 violations
Environmental Risk

Drought conditions

D4 — exceptional drought

Lawrence County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 10.4% of the county is in D4 (exceptional) drought. Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
11.9%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

5
Declared disasters
May 2025
Most recent
Flood
Most common type

Lawrence County has experienced 5 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2025
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #4873
Aug 2020
HURRICANE LAURA
Hurricane FEMA #3541
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3215
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #375
Feb 1969
SEVERE STORMS & FLOODING
Flood FEMA #254

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 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 (1.0 ppb) to 2002 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
651
Water Systems
1
Water Source

Where Lynn's water comes from

Groundwater

Lynn'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 651 people through 1 water system.

Infrastructure

Water systems serving Lynn

System Name PWSID Population Source
LYNN WATERWORKS AR0000299 651 GW
Regional Comparison

How Lynn compares

Full Arkansas rankings →

Lynn's score of 91.1/100 is above the average of 75/100 among major Arkansas cities. It outscores 9 of 10 nearby cities.

Lynn (this city)
91.1
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Lynn, AR

Economic Profile
$47,153
Median Income
$83,333
Median Home Value
$775/mo
Median Rent
0%
Unemployment
Community
45.6
Median Age
37
People / sq mi
5.3%
College Educated
80.8%
Homeownership
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Frequently asked questions

Is Lynn, AR tap water safe to drink?

Lynn's water quality earned a grade of A (91.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #75 out of 345 cities tested in Arkansas.

What contaminants are in Lynn's water?

Lead was measured at 2.0 ppb (90th percentile). 33 violations are on record.

How is Lynn'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 Lynn?

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

Where does Lynn's water come from?

Lynn's water is sourced from Groundwater. The city has 1 water system serving approximately 651 residents.

What health violations has Lynn's water system had?

Lynn has 8 health-based violations on record. The most recent violation was recorded in October 2017. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Lynn's groundwater at risk of contamination?

Lynn 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 33 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 Lynn's water compare to other cities?

Lynn ranks #75 out of 345 cities in Arkansas (better than 78% of state cities) and #1888 out of 15744 cities nationally (88th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Lynn's small water system affect quality?

Lynn's system serves approximately 651 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 33 violations on record.