WaterVerge

Is Poplar Grove, AR Tap Water Safe to Drink?

Graded A+. lithium was detected — within EPA limits, but worth understanding. Here's the full picture. What to do next ↓

4K residents served 1 water system PWSID: AR0000415
Overall Score
97.8 / 100
Violations
None active
Last Updated
May 2026
Source
Groundwater
#5 of 345 in Arkansas Top 1% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A+GRADE
Water Quality Grade
97.8/100
waterverge.com
A+ 97.8/100

Poplar Grove, AR — Water Quality Report

Poplar Grove's drinking water received a grade of A+ (97.8 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 3,642 residents using groundwater.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 5 violations on record, including 2 health-based violations. All violations have been resolved.

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

What to know about Poplar Grove's water

Poplar Grove ranks #5 out of 345 cities in Arkansas for water quality, placing it one of the best in the state.

Poplar Grove 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
97.8 out of 100 Grade A+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.5/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
18.2/20
A
1 PFAS compound detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Poplar Grove, AR water safe to drink?

Generally Safe

Based on EPA testing data, Poplar Grove's tap water is generally safe to drink. The water system earned a grade of A+ (97.8/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 3,642 residents using groundwater (wells).

None
Violations
1.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
7 events
Disaster History

Recent water quality updates for Poplar Grove

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Poplar Grove's water quality assessment. Grade: A+ (97.8/100).

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

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

Key contaminant findings

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

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

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 34.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Poplar Grove's water system has 5 total violations on record, including 2 health-based violations. All violations have been resolved.

MONMCLMROther
Most recent violations:
Apr 2019 Revised Total Coliform Rule Resolved
Nov 2011 Coliform (TCR) Resolved
Dec 2009 Coliform (TCR) Resolved
Feb 1994 Surface Water Treatment Rule Resolved
Feb 1994 Surface Water Treatment Rule Resolved

Flood & environmental risk

St. Francis 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. Local water sources include Languille River At Palestine.

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

Where does Poplar Grove's water come from?

Poplar Grove's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,642 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Languille River At Palestine (river).

What Poplar Grove 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

Poplar Grove'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
lithium
PFAS / Forever Chemical
Near MCL
34.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
2.6 µg/L
EPA MCL: 60 µg/L · 4% of limit
Within LimitUCMR 4 DataHAA6Br: 3.0 µg/LHAA9: 3.2 µg/L
Manganese
Inorganic
Detected
13.0 µg/L
EPA Secondary MCL: 50 µg/L · 26% of limit
DetectedUCMR 4 Data
Lithium
Inorganic
Detected
34.0 µg/L
State screening level: 60 µg/L · 57% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

5
Total violations
2
Health-based
0
Active / unresolved
Apr 2019
Most recent violation
Compliance Record

Violations & advisories

5 Total
0 Active
2 Health-based
5 Resolved
Violations by category
Total Coliform Rule
2
Surface Water Treatment Rule
2
Revised Total Coliform Rule
1
Apr 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2019
Nov 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2011
Dec 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2009
Feb 1994 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1994
Feb 1994 Resolved
Surface Water Treatment Rule
Other Violation Resolved Feb 1994
Environmental Risk

Drought conditions

D2 — severe drought

Phillips County is currently in D2 (severe 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)
19.0%
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
May 2025
Most recent
Flood
Most common type

St. Francis 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.

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 1997
FLOODING, SEVERE STORMS
Flood FEMA #1176
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #437
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #375

Recommended water filters

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

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
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 34.000 HI µg/L PFAS 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 decreased by 2.0 ppb from 1993 (3.0 ppb) to 2025 (1.0 ppb).
Contaminant Rankings

See how Poplar Grove compares by contaminant

Explore where Poplar Grove ranks among all Arkansas cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,642
Water Systems
1
Water Source

Where Poplar Grove's water comes from

Groundwater

Poplar Grove'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 3,642 people through 1 water system.

Local Hydrology

Water bodies near Poplar Grove

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

Languille River At Palestine
river
Infrastructure

Water systems serving Poplar Grove

System Name PWSID Population Source
BARTON LEXA WATER ASSOCIATION AR0000415 3,642 GW
Regional Comparison

How Poplar Grove compares

Full Arkansas rankings →

Poplar Grove's score of 97.8/100 is above the average of 75/100 among major Arkansas cities. It outscores 10 of 10 nearby cities.

Poplar Grove (this city)
97.8
Springdale
79.1
Fort Smith
45.5
Arkansas avg
75
City Profile

About Poplar Grove, AR

Wikipedia →

Poplar Grove is an unincorporated community and census-designated place (CDP) in Phillips County, Arkansas, United States, located on U.S. Route 49 between Marvell and West Helena. It was first listed as a CDP in the 2020 census with a population of 215.

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Frequently asked questions

Is Poplar Grove, AR tap water safe to drink?

Poplar Grove's water quality earned a grade of A+ (97.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #5 out of 345 cities tested in Arkansas.

What contaminants are in Poplar Grove's water?

Lead was measured at 1.0 ppb (90th percentile). 1 PFAS compound was detected. 5 violations are on record.

How is Poplar Grove'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 Poplar Grove?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Poplar Grove's water come from?

Poplar Grove's water is sourced from Groundwater. The city has 1 water system serving approximately 3,642 residents.

What health violations has Poplar Grove's water system had?

Poplar Grove has 2 health-based violations on record. The most recent violation was recorded in April 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.

Is Poplar Grove's groundwater at risk of contamination?

Poplar Grove 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 5 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 Poplar Grove's water compare to other cities?

Poplar Grove ranks #5 out of 345 cities in Arkansas (better than 99% of state cities) and #62 out of 15744 cities nationally (100th percentile). The grade of A+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.