Is Marmaduke, AR Tap Water Safe to Drink?
Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
92.2/100
waterverge.com Marmaduke, AR — Water Quality Report
Marmaduke's drinking water received a grade of A (92.2 out of 100), indicating excellent water quality. The city's 2 water systems serve approximately 3,993 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 18 violations on record, including 4 health-based violations. 3 remain unresolved.
What to know about Marmaduke's water
Marmaduke ranks #60 out of 345 cities in Arkansas for water quality, placing it above average in the state.
Marmaduke 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.
Water quality score
See methodology →Is Marmaduke, AR water safe to drink?
Marmaduke's drinking water has significant quality concerns based on EPA testing data. With a grade of A (92.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,993 residents using groundwater (wells).
Recent water quality updates for Marmaduke
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Marmaduke's water quality assessment. Grade: A (92.2/100).
Federal disaster declaration (FEMA DR-4873). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3541). Hurricane event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
Contaminants: Consumer Confidence Rule.
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Marmaduke's water supply.
Well within EPA limits.
Violation history
Marmaduke's water system has 18 total violations on record, including 4 health-based violations. 3 remain unresolved.
Flood & environmental risk
Greene County has experienced 6 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.
Where does Marmaduke's water come from?
Marmaduke's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,993 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Marmaduke residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Marmaduke's water.
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.
Marmaduke'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Marmaduke
Industrial polluters nearby
Reported releases to surface water by facilities near Marmaduke, ranked by pounds discharged annually.
Total reported releases to surface water: 81 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
DRIV AUTOMOTIVE INC. PARAGOULD, AR72450 | Zinc compounds | 46 | 9.7 mi |
GRT RUBBER TECHNOLOGIES LLC PARAGOULD, AR72450 | Zinc compounds | 22 | 9.0 mi |
PRYSMIAN CABLES & SYSTEMS USA LLC PARAGOULD, AR72450 | Copper | 14 | 9.5 mi |
GREENBRIER CENTRAL LLC MARMADUKE, AR72443 | — | — | 0.5 mi |
ANCHOR PACKAGING INC MARMADUKE, AR72443 | — | — | 0.5 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D4 — exceptional droughtGreene County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 0.6% 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Greene County has experienced 6 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 2.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Marmaduke compares by contaminant
Explore where Marmaduke ranks among all Arkansas cities for specific contaminants.
Water source & infrastructure
Where Marmaduke's water comes from
Marmaduke'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 3,993 people through 2 water systems.
Water systems serving Marmaduke
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LAFE REGIONAL WATER DISTRIBUTION DISTRIC | AR0000483 | 2,583 | GW |
| MARMADUKE WATERWORKS | AR0000225 | 1,410 | GW |
How Marmaduke compares
Full Arkansas rankings →Marmaduke's score of 92.2/100 is above the average of 75/100 among major Arkansas cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Arkansas rankings →About Marmaduke, AR
Wikipedia →Marmaduke is a city in Greene County, Arkansas, United States. The population was 1,212 in 2020.
Learn more about your water
Guides and resources related to Marmaduke's water quality findings.
Explore water quality across Clay
Frequently asked questions
Is Marmaduke, AR tap water safe to drink?
Marmaduke's water quality earned a grade of A (92.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #60 out of 345 cities tested in Arkansas.
What contaminants are in Marmaduke's water?
Lead was measured at 2.0 ppb (90th percentile). 18 violations are on record.
How is Marmaduke'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 Marmaduke?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Marmaduke's water come from?
Marmaduke's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,993 residents.
What health violations has Marmaduke's water system had?
Marmaduke has 4 health-based violations on record. The most recent violation was recorded in December 2010. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is Marmaduke's groundwater at risk of contamination?
Marmaduke 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 18 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 Marmaduke's water compare to other cities?
Marmaduke ranks #60 out of 345 cities in Arkansas (better than 83% of state cities) and #1334 out of 15744 cities nationally (92th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.