O Kean Waterworks
EPA ID: AR0000473 · 230 people served · 1 ZIP code
For the full five-year period covered by EPA monitoring, O Kean Waterworks has supplied tap water to 230 residents with no violations of any type on record.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for O Kean Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
💧 Where Does Your Water Come From?
O Kean 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 Clay 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
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
O Kean Waterworks (EPA ID: AR0000473) is a community water system in Arkansas that serves approximately 230 people from groundwater sources.
This system serves ZIP code 72441 in Mc Dougal.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 72441 — Mc Dougal
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for O Kean Waterworks (AR0000473) on EPA.gov.
Frequently Asked Questions
Is O Kean Waterworks water safe to drink?
Based on EPA records, O Kean Waterworks has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does O Kean Waterworks serve?
O Kean Waterworks serves approximately 230 people across 1 ZIP code in Arkansas.
Where does O Kean Waterworks get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.