Winthrop Water Association
EPA ID: AR0000642 · 338 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Winthrop Water Association (AR0000642): 1 health-based violation recorded since 2021. Winthrop Water Association has 4 EPA violations on record, all marked resolved in the federal data; the utility serves 338 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Winthrop Water Association Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Winthrop Water Association have a median household income of $54,192 and about 3,650 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 53% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 50% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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?
Winthrop Water Association's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
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
Winthrop Water Association (EPA ID: AR0000642) is a community water system in Arkansas that serves approximately 338 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 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 |
|---|---|---|---|
| September 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| July 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Monitoring & Reporting | 3 | No |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Treatment Technique | 1 | Yes |
Health Risk Details
Chlorine (Residual Disinfectant) (EPA limit: 4 mg/L (MRDL — Maximum Residual Disinfectant Level))
Irritation & DBP formation at high levels At-risk groups: kidney dialysis patients (dialysis water must be dechlorinated).
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), KDF media filter, carbon block filter. Find the right filter →
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.002 mg/L (2004-12-31).
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Winthrop Water Association (AR0000642) on EPA.gov.
Frequently Asked Questions
Is Winthrop Water Association water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Winthrop Water Association; its 4 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Winthrop Water Association serve?
Winthrop Water Association serves approximately 338 people across 2 ZIP codes in Arkansas.
Where does Winthrop Water Association get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Winthrop Water Association (AR): 1 Health Violation. https://zipcheckup.com/water-system/ar0000642/
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author = {{ZipCheckup}},
title = {{Winthrop Water Association (AR): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ar0000642/}
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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
Winthrop Water Association (EPA ID: AR0000642) - request the latest Consumer Confidence Report or ask about specific contaminants.