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Official EPA SDWIS Verified ReportWater Quality & Testing GuideHistorical Record: No Recorded SDWIS Violations

ZIP Code 72533 Water Quality & Testing Report

Fifty Six, AR · Stone County County · Updated for 2026

Sahajul HaqueCompiled & verified by Sahajul Haque from official EPA SDWIS records
Public Health & Medical Notice: Drinking water quality data on this page reflects historical compliance records submitted under the Safe Drinking Water Act. This information does not constitute medical advice or a real-time safety guarantee. If you are pregnant, nursing, preparing infant formula, or immunocompromised, consult a healthcare provider. Boiling water kills biological pathogens, but does NOT remove chemical contaminants like lead, arsenic, or PFAS.
Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 72533 (Fifty Six, AR)?

Yes, tap water in ZIP code 72533 (Fifty Six, AR) is safe to drink under EPA Safe Drinking Water Act standards. Supplied by West Stone County Water Assn, the area earns an EPA Safety Grade of B (70/100) with 2 health violations, 0 ppb lead, and soft (56 mg/L / 3.3 GPG) water.

Safety Score
B

Water Safety Grade

Good — Minor issues on record

Health Violations

2

Total Violations

14

Lead Risk

Moderate

Contaminants

1

About Tap Water in ZIP Code 72533

Tap water in ZIP code 72533 (Fifty Six, AR) is distributed by West Stone County Water Assn (EPA ID: AR0000735), serving approximately 5,188 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of B with a composite quality score of 70/100.

Water System

West Stone County Water Assn

EPA ID: AR0000735

Water Source

Surface Water

Population Served

5,188 residents

County

Stone County County, Arkansas

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Lead Levels in ZIP 72533

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Data Not Available

Lead testing data was not found in EPA records for ZIP code 72533. Contact West Stone County Water Assn to request lead testing results.

Lead exposure risk in 72533 is rated Moderate. EPA models estimate a 35% exposure probability based on housing and infrastructure age.

Lead Exposure Risk Rating
Moderate
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

35%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Soft3.3 GPG · 56 mg/L

Water in ZIP 72533 is classified as Soft (56 mg/L / 3.3 GPG). Soft water produces abundant soap lather, prevents scale buildup in water heaters, and does not leave spots on dishes.

Recommendation: No water softener is needed. Standard carbon filtration is sufficient for taste and chlorine reduction.
Hardness (GPG)

Grains per gallon

3.3 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

56 mg/L
Appliance Scaling Risk
Very Low

Interactive Water Safety & Filter Matcher

Personalized for ZIP 72533 (Fifty Six, AR)

Free Tool

Official EPA SDWIS Database Entry

Utility: West Stone County Water Assn · PWSID: AR0000735

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

West Stone County Water Assn has recorded 2 health-based violations out of 14 total violations over the past 5 years. 2 violations remain unresolved in EPA tracking records.

Total Violations (5 yr)
14
Health-Based Violations
2
Unresolved Violations
2
Boil Water Advisories
0
Compliance Risk
Critical

Regulatory compliance risk for this utility is rated Critical based on past reporting and enforcement records.

⚗️

Contaminants Detected

Contaminants with health-based violations on record

EPA records identify 1 contaminant with health-based violations in the past 5 years: Chlorine residual.

Chlorine residual

⚖ Enforcement Actions

EPA or state regulators have issued 10 enforcement actions to address compliance lapses.
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Water Source & Environmental Factors

Surface Water

This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.

Water Source Type
Surface Water
EPA Radon Zone

Moderate potential

Zone 2
Energy Burden

% of household income spent on energy — indicator of older infrastructure

3.23%

EPA Radon Zone 2 — moderate radon potential. The EPA recommends testing your home regardless of zone designation.

Water Quality Testing in ZIP 72533

Tap Water & Well Testing Recommendations

Residents in ZIP code 72533 served by West Stone County Water Assn can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • •Test for Coliform bacteria and Nitrates annually.
  • •Test for heavy metals, radon, and PFAS every 3 years.
  • •Send samples to a state-certified drinking water laboratory recognized by Arkansas Department of Health.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in AR for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 72533 Recommendations

  • ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
  • ✓ Request your annual Consumer Confidence Report from West Stone County Water Assn
  • ✓ If your home was built before 1986, consider testing your own tap for lead
  • ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste

Recommended Taste & Safety Filter:

🚰

NSF/ANSI 53 Certified Pitcher Filter

Best for removing aesthetic chlorine, odors, and low-level heavy metals.

Filter Selection Guide →

Frequently Asked Questions — ZIP 72533 Water Quality

Is tap water safe to drink in ZIP code 72533?+
Yes — tap water in 72533 (Fifty Six, AR) meets EPA standards with a water safety grade of B. No health-based violations are on record in the past 5 years.
How do I get my water tested in ZIP 72533 (Fifty Six, AR)?+
To test water quality in ZIP 72533, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in AR. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Arkansas Department of Health for a list of certified regional labs.
How hard is the tap water in 72533?+
Tap water in 72533 is classified as Soft with an estimated mineral hardness of 56 mg/L (3.3 GPG). No water softener is needed. Standard carbon filtration is sufficient for taste and chlorine reduction.
Should I test private well water in 72533?+
Yes. Unlike municipal systems, private wells in 72533 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 72533 tap water?+
Lead level data is not available in EPA records for 72533. Contact your utility for details.
Is there an active boil water notice in 72533?+
There are currently no active boil water advisories on record for 72533. Water treatment systems are operating within normal parameters.
Who provides tap water to 72533?+
Tap water in ZIP code 72533 is provided by West Stone County Water Assn (EPA ID: AR0000735), serving approximately 5,188 residents.
What water filter should I use in 72533?+
Based on water metrics for 72533, we recommend Reverse Osmosis (PFAS & Lead). Look for certifications such as NSF/ANSI 53 (Chemical Contaminants), NSF/ANSI 42 (Aesthetic Effects).

Data Sources & Methodology

Water quality data for ZIP code 72533 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by West Stone County Water Assn. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →