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

ZIP Code 72833 Water Quality & Testing Report

Danville, AR · Yell 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 72833 (Danville, AR)?

Caution / Filtration Recommended: Tap water in ZIP code 72833 (Danville, AR) has compliance concerns, earning an EPA Safety Grade of C (62/100) due to 19 health violation(s) and 0 ppb lead. While treated by Danville Waterworks, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.

Safety Score
C

Water Safety Grade

Fair — Some compliance concerns

Health Violations

19

Total Violations

22

Lead Risk

Moderate

Contaminants

3

⚠

Active Water Quality Issues Detected

EPA records show 21 unresolved violations. Contact Danville Waterworks for current status.

About Tap Water in ZIP Code 72833

Tap water in ZIP code 72833 (Danville, AR) is distributed by Danville Waterworks (EPA ID: AR0000603), serving approximately 2,810 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of C with a composite quality score of 62/100.

Water System

Danville Waterworks

EPA ID: AR0000603

Water Source

Surface Water

Population Served

2,810 residents

County

Yell County County, Arkansas

🧪

Lead Levels in ZIP 72833

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 72833. Contact Danville Waterworks to request lead testing results.

Lead exposure risk in 72833 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 72833 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

Official EPA SDWIS Database Entry

Utility: Danville Waterworks · PWSID: AR0000603

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

Danville Waterworks has recorded 19 health-based violations out of 22 total violations over the past 5 years. 21 violations remain unresolved in EPA tracking records.

Total Violations (5 yr)
22
Health-Based Violations
19
Unresolved Violations
21
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 3 contaminants with health-based violations in the past 5 years: E. coli, Haloacetic Acids (HAA5), Fecal Coliform.

E. coliHaloacetic Acids (HAA5)Fecal Coliform

⚖ 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

Lower potential

Zone 3
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$0
Energy Burden

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

2.74%

EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.

Water Quality Testing in ZIP 72833

Tap Water & Well Testing Recommendations

Residents in ZIP code 72833 served by Danville Waterworks 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 72833 Recommendations

  • ⚠ Use a certified NSF/ANSI 53 filter for drinking and cooking water if you have young children
  • ⚠ Never give unfiltered tap water to infants in formula — use certified bottled or filtered water
  • ⚠ Request a copy of the Consumer Confidence Report to see what was detected and when
  • ⚠ Call the EPA Safe Drinking Water Hotline: 1-800-426-4791

Recommended Water Treatment Systems:

🏺

NSF 53 Lead Pitcher Filter

Specifically certified to reduce lead and copper at the tap.

Lead Filter Guide →
⚗️

NSF 58 Under-Sink RO System

Advanced filtration for PFAS, fluoride, nitrates, and organic chemicals.

RO System Guide →

Frequently Asked Questions — ZIP 72833 Water Quality

Is tap water safe to drink in ZIP code 72833?+
Tap water in 72833 (Danville, AR) meets major standards but has a grade of C due to minor past violations. Vulnerable populations may want to use a certified filter as a precaution.
How do I get my water tested in ZIP 72833 (Danville, AR)?+
To test water quality in ZIP 72833, 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 72833?+
Tap water in 72833 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 72833?+
Yes. Unlike municipal systems, private wells in 72833 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 72833 tap water?+
Lead level data is not available in EPA records for 72833. Contact your utility for details.
Is there an active boil water notice in 72833?+
There are currently no active boil water advisories on record for 72833. Water treatment systems are operating within normal parameters.
Who provides tap water to 72833?+
Tap water in ZIP code 72833 is provided by Danville Waterworks (EPA ID: AR0000603), serving approximately 2,810 residents.
What water filter should I use in 72833?+
Based on water metrics for 72833, 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 72833 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 Danville Waterworks. 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 →