Antoine Waterworks
EPA ID: AR0000424 · 563 people served · 4 ZIP codes
Right now, Antoine Waterworks shows 34 EPA violations marked active and unresolved — the provider continues to supply approximately 563 residents while each finding awaits closure.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 5 (2024) to 55 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Antoine Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Antoine Waterworks serves a community with a median household income of $50,130 and an estimated 13,798 residents across its service area. Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 75% 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?
Antoine 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.
About 1% of homes in Howard County, Arkansas rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Antoine Waterworks compares to EPA limits
What This Means For You
Lead and Copper Rule at 15 mg/L exceeds the EPA maximum of mg/L.
Chlorine residual at 19 mg/L (MRDL — Maximum Residual Disinfectant Level) exceeds the EPA maximum of 4 mg/L (MRDL — Maximum Residual Disinfectant Level). Irritation & DBP formation at high levels; protective at normal treatment levels. Consider granular activated carbon (GAC) filtration.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
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
Antoine Waterworks (EPA ID: AR0000424) is a community water system in Arkansas that serves approximately 563 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Average Home Safety Score: C (55/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Chlorine residual | Health-based | Unresolved |
| July 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| June 1, 2025 | Chlorine residual | Health-based | Unresolved |
| June 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| May 1, 2025 | Chlorine residual | Health-based | Unresolved |
| May 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| April 1, 2025 | Chlorine residual | Health-based | Unresolved |
| April 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| March 1, 2025 | Chlorine residual | Health-based | Unresolved |
| March 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| February 1, 2025 | Chlorine residual | Health-based | Unresolved |
| February 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| January 1, 2025 | Chlorine residual | Health-based | Unresolved |
| January 1, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| December 1, 2024 | Chlorine residual | Health-based | Unresolved |
| December 1, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| November 1, 2024 | Chlorine residual | Health-based | Unresolved |
| November 1, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| October 1, 2024 | Chlorine residual | Health-based | Unresolved |
| September 1, 2024 | Chlorine residual | Health-based | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Chlorine residual | Disinfectant | 19 | Yes |
| Lead and Copper Rule | Treatment Failure | 15 | No |
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 Lead and Copper Rule sampling data available for this water system.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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: 3 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Antoine Waterworks (AR0000424) on EPA.gov.
Frequently Asked Questions
Is Antoine Waterworks water safe to drink?
Antoine Waterworks has recorded 19 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Antoine Waterworks serve?
Antoine Waterworks serves approximately 563 people across 4 ZIP codes in Arkansas.
Where does Antoine Waterworks get its water?
The primary water source is groundwater.
Contact Your Water Utility
Public-record contact information for the water utility serving this system. Use these channels to request water quality reports, ask about service, or report issues directly.
Contact information from Antoine Water Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility, does not act as its agent, and does not provide customer support for it. Contact details shown are public-record information from CCR filings. For service issues, contact the utility directly using the information above.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: Antoine Water Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
The Arkansas Department of Health has completed a Source Water Vulnerability Assessment for Antoine Water. The assessment summarizes the potential for contamination of our source of drinking water and can be used as a basis for developing a source water protection plan. Based on the various criteria of the assessment, our water source has been determined to have a low susceptibility to contamination.
Treatment regime
How this utility classifies its treatment process and what each reported treatment chemical does.
Watershed exposure sources reported
Land-use and natural conditions identified in the utility's source-water assessment as potential contamination sources upstream of treatment.
Treatment classification and chemical list sourced from Antoine Water Consumer Confidence Report.
Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.
As part of our ongoing efforts to comply with federal regulations, we have developed a service line inventory to identify potential lead service lines within our system. A copy of the inventory is available from our office upon request.
Lead Service Line Replacement Tracker
This water utility's lead service line (LSL) replacement program is tracked from public Consumer Confidence Report filings. Email signup notifies subscribers when the utility files an updated replacement plan or progress milestone.
Antoine Water
ZipCheckup is not affiliated with this water utility. LSL replacement-program data is sourced from public CCR filings published by the utility. Subscription notifications are based on automated parsing of subsequent CCR releases.
Learn more about Lead and Copper Rule replacement requirements →
Notable events and violations
This section summarizes events the utility chose to disclose in its most recent Consumer Confidence Report, plus any federal compliance violations the utility recorded against itself. Both lists are utility-authored — ZipCheckup does not audit, judge, or reorder them.
Federal compliance violations on record
These entries are taken verbatim from the utility's CCR violations section. EPA defines four broad violation categories: Maximum Contaminant Level (MCL), Treatment Technique (TT), Monitoring & Reporting (M&R), and Public Notification (PN).
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State Regulations2024-01-01 to 2024-12-31
State licensing regulations were not met
-
reporting2024-07-01 to 2024-08-01
Failure to provide notification of availability of annual water quality report to customers
Violations record from Antoine Water Consumer Confidence Report.
Notable events from the utility's CCR
These bullet entries are the utility's own narration of operational, regulatory, or infrastructure events during the reporting period.
- State licensing regulations not met from 2024-01-01 to 2024-12-31
- CCR notification failure from 2024-07-01 to 2024-08-01
- Significant deficiency: Elevated storage tank overflow vent needs repair (anticipated repair time 6 months) identified in 2023 survey
ZipCheckup note: items above reflect what the utility published in its most recent CCR. Federal violation records are also tracked separately by the EPA Safe Drinking Water Information System (SDWIS) — the SDWIS record is the authoritative federal source for any specific regulatory action.
Frequently Asked Questions
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
Antoine Waterworks (EPA ID: AR0000424) — request the latest Consumer Confidence Report or ask about specific contaminants.