Is Marked Tree, AR Tap Water Safe to Drink?
Graded B, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
75.9/100
Marked Tree, AR — Water Quality Report
Marked Tree's drinking water received a grade of B (75.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,610 residents using groundwater.
Lead levels were measured at 9.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 7 violations on record, including 1 health-based violation. 5 remain unresolved.
What to know about Marked Tree's water
Marked Tree ranks #250 out of 345 cities in Arkansas for water quality, placing it below average in the state.
Marked Tree 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.
While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.
As a small community water system, Marked Tree may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Marked Tree, AR water safe to drink?
Marked Tree's drinking water has significant quality concerns based on EPA testing data. With a grade of B (75.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,610 residents using groundwater (wells).
Recent water quality updates for Marked Tree
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Marked Tree's water quality assessment. Grade: B (75.9/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-4873). Flood event — may have impacted local water infrastructure.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-3541). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Marked Tree's water supply.
Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.
Violation history
Marked Tree's water system has 7 total violations on record, including 1 health-based violation. 5 remain unresolved. 3 violations were issued in the last 5 years.
Flood & environmental risk
Poinsett County has experienced 8 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 Marked Tree's water come from?
Marked Tree's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,610 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Marked Tree residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Marked Tree'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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Marked Tree'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 Marked Tree
Industrial polluters nearby
Reported releases to surface water by facilities near Marked Tree, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
SNYDER INDUSTRIES MARKED TREE, AR72365 | — | — | 0.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D4 — exceptional droughtPoinsett County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 39.5% 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
Poinsett County has experienced 8 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Marked Tree's water supply, we recommend the following filter types.
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. | 9.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Marked Tree compares by contaminant
Explore where Marked Tree ranks among all Arkansas cities for specific contaminants.
Water source & infrastructure
Where Marked Tree's water comes from
Marked Tree'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 2,610 people through 1 water system.
Water systems serving Marked Tree
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MARKED TREE WATERWORKS | AR0000430 | 2,610 | GW |
How Marked Tree compares
Full Arkansas rankings →Marked Tree's score of 75.9/100 is on par with the average of 75/100 among major Arkansas cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.
Nearby cities
View Arkansas rankings →About Marked Tree, AR
Learn more about your water
Guides and resources related to Marked Tree's water quality findings.
Explore water quality across Poinsett
Frequently asked questions
Is Marked Tree, AR tap water safe to drink?
Marked Tree's water quality earned a grade of B (75.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #250 out of 345 cities tested in Arkansas.
What contaminants are in Marked Tree's water?
Lead was measured at 9.0 ppb (90th percentile). 7 violations are on record.
How is Marked Tree'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 Marked Tree?
While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Marked Tree's water come from?
Marked Tree's water is sourced from Groundwater. The city has 1 water system serving approximately 2,610 residents.
What health violations has Marked Tree's water system had?
Marked Tree has 1 health-based violation on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.
Is Marked Tree's groundwater at risk of contamination?
Marked Tree 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 7 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 Marked Tree's water compare to other cities?
Marked Tree ranks #250 out of 345 cities in Arkansas (better than 28% of state cities) and #9447 out of 15744 cities nationally (40th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Marked Tree's small water system affect quality?
Marked Tree's system serves approximately 2,610 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 7 violations on record.