WaterVerge

Is Eudora, AR Tap Water Safe to Drink?

Graded C, with 14 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: AR0000083
Overall Score
62.8 / 100
Violations
14 active
Last Updated
May 2026
Source
Groundwater
#290 of 345 in Arkansas Top 75% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
CGRADE
Water Quality Grade
62.8/100
waterverge.com
C 62.8/100

Eudora, AR — Water Quality Report

Eudora's drinking water received a grade of C (62.8 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 3,270 residents using groundwater.

Lead levels were measured at 3.0 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 37 violations on record, including 13 health-based violations. 14 remain unresolved.

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

What to know about Eudora's water

Eudora ranks #290 out of 345 cities in Arkansas for water quality, placing it among the lowest-rated in the state.

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

The system has seen 9 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
62.8 out of 100 Grade C
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
16.8/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
19/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Eudora, AR water safe to drink?

Concerns Identified

Eudora's drinking water has significant quality concerns based on EPA testing data. With a grade of C (62.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,270 residents using groundwater (wells).

14
Active Violations
3.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Eudora

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Eudora's water quality assessment. Grade: C (62.8/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Stage 1 Disinfectants and Disinfection Byproducts Rule.

Disaster
HURRICANE LAURA

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

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4441). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Eudora's water system has 37 total violations on record, including 13 health-based violations. 14 remain unresolved. 9 violations were issued in the last 5 years.

MRMONTTRPTOtherMCL
Most recent violations:
Jul 2025 Lead and Copper Rule Open
May 2024 Revised Total Coliform Rule Resolved
Mar 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule Open
Feb 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule Open
Jan 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule Open

Flood & environmental risk

Chicot County has experienced 7 federally declared disasters since 1973. 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 Boeuf River Nr Eudora, Bayou Macon At Eudora, Bayou Macon Nr Kilbourne.

HURRICANE LAURA
Hurricane FEMA DR-3541
SEVERE STORMS AND FLOODING
Flood FEMA DR-4441
SEVERE STORMS AND FLOODING
Flood FEMA DR-3414

Where does Eudora's water come from?

Eudora's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,270 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Boeuf River Nr Eudora (river), Bayou Macon At Eudora (river), Bayou Macon Nr Kilbourne (river).

What Eudora residents can do

Install a water filter

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

Eudora'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
3.0 ppb
EPA Action Level: 15 ppb · 20% of limit
Safe Level
Compliance Record

Violation summary

37
Total violations
13
Health-based
14
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

37 Total
14 Active
13 Health-based
23 Resolved
Violations by category
Total Coliform Rule
16
Revised Total Coliform Rule
8
Stage 1 Disinfectants and Disinfection Byproducts Rule
7
Consumer Confidence Rule
3
Lead and Copper Rule
2
Jul 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2024 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Feb 2024 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Jan 2024 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Dec 2023 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Nov 2023 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Oct 2020 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Mar 2020 Active
Public Notice
Other Violation 0
Oct 2019 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2019 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Apr 2014 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Jan 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
May 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2024
Jul 2022 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2022
Nov 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2021
Dec 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2020
Oct 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2020
May 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 2015
Showing 20 of 37 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Chicot 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.

14
Weeks at D2+ (current streak)
9.5%
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

7
Declared disasters
Aug 2020
Most recent
Flood
Most common type

Chicot County has experienced 7 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2020
HURRICANE LAURA
Hurricane FEMA #3541
Jun 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4441
May 2019
SEVERE STORMS AND FLOODING
Flood FEMA #3414
Sep 2008
SEVERE STORMS AND FLOODING ASSOCIATED WITH HURRICANE GUSTAV
Hurricane FEMA #1793
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3215
May 1991
SEVERE STORMS & FLOODING
Flood FEMA #907

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 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 2.0 ppb from 1992 (1.0 ppb) to 2011 (3.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,270
Water Systems
2
Source breakdown
Groundwater
1
Purchased Groundwater
1
Water Source

Where Eudora's water comes from

Groundwater

Eudora'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 3,270 people through 2 water systems.

Local Hydrology

Water bodies near Eudora

Eudora is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Boeuf River Nr Eudora
river
Bayou Macon At Eudora
river
Bayou Macon Nr Kilbourne
river
Infrastructure

Water systems serving Eudora

System Name PWSID Population Source
EUDORA WATERWORKS AR0000083 2,600 GW
INDIAN SWITCH RURAL WATER ASSN AR0000781 670 GWP
Regional Comparison

How Eudora compares

Full Arkansas rankings →

Eudora's score of 62.8/100 is below the average of 75/100 among major Arkansas cities. It outscores 2 of 10 nearby cities. 8 of 10 nearby cities score higher.

Eudora (this city)
62.8
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Eudora, AR

Economic Profile
$26,942
Median Income
$61,999
Median Home Value
$516/mo
Median Rent
19.3%
Unemployment
Community
49.6
Median Age
270
People / sq mi
15%
College Educated
62.7%
Homeownership
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Frequently asked questions

Is Eudora, AR tap water safe to drink?

Eudora's water quality earned a grade of C (62.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #290 out of 345 cities tested in Arkansas.

What contaminants are in Eudora's water?

Lead was measured at 3.0 ppb (90th percentile). 37 violations are on record.

How is Eudora'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 Eudora?

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

Where does Eudora's water come from?

Eudora's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,270 residents.

What health violations has Eudora's water system had?

Eudora has 13 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.

Is Eudora's groundwater at risk of contamination?

Eudora 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 37 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 Eudora's water compare to other cities?

Eudora ranks #290 out of 345 cities in Arkansas (better than 16% of state cities) and #11839 out of 15744 cities nationally (25th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.