Willisville Waterworks
EPA ID: AR0000650 · 430 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Willisville Waterworks (AR0000650): 2 past health-based violations, since resolved. The five-year EPA compliance file for Willisville Waterworks contains 2 violations, each documented and subsequently closed - the utility now operates in full compliance and continues to supply approximately 430 residents with water meeting current federal standards, including both health-based and monitoring requirements.
Data: EPA SDWIS
Service Area Map
Coverage area for Willisville Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Willisville Waterworks serves a community with a median household income of $52,981 and an estimated 1,686 residents across its service area. Approximately 54% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Willisville Waterworks's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How Willisville Waterworks compares to EPA limits
Chlorine residual was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Arkansas
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Willisville Waterworks (EPA ID: AR0000650) is a community water system in Arkansas that serves approximately 430 people from groundwater sources.
This system serves ZIP code 71858 in Rosston.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2023 | Chlorine residual | Health-based | Resolved |
| June 1, 2023 | Chlorine residual | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Chlorine residual | Disinfectant | 2 | Yes |
Health Risk Details
Chlorine (Residual Disinfectant) (EPA limit: 4 mg/L (MRDL — Maximum Residual Disinfectant Level))
Irritation & DBP formation at high levels; protective at normal treatment levels At-risk groups: people with asthma or chemical sensitivities, kidney dialysis patients (water must be dechlorinated).
Removal methods: granular activated carbon (GAC), KDF media filter, carbon block filter. Find the right filter →
Lead & Copper
No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by AR or modeled from parcel and building-footprint data.
- 71858 - Rosston
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Willisville Waterworks (AR0000650) on EPA.gov.
Frequently Asked Questions
Is Willisville Waterworks water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Willisville Waterworks; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Willisville Waterworks serve?
Willisville Waterworks serves approximately 430 people across 1 ZIP code in Arkansas.
Where does Willisville Waterworks get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Willisville Waterworks (AR): 2 Health Violations. https://zipcheckup.com/water-system/ar0000650/
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title = {{Willisville Waterworks (AR): 2 Health Violations}},
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url = {https://zipcheckup.com/water-system/ar0000650/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Willisville Waterworks (EPA ID: AR0000650) - request the latest Consumer Confidence Report or ask about specific contaminants.