Black Oak Waterworks
EPA ID: AR0000123 · 264 people served · 1 ZIP code
Federal monitoring spanning five full years has produced zero violations at Black Oak Waterworks — a clean record across every reporting cycle for a utility serving approximately 264 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Black Oak Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Black Oak Waterworks serves a community with a median household income of $58,177 and an estimated 3,386 residents across its service area. Approximately 51% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 59% 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?
Black Oak 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 Craighead 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
Black Oak Waterworks (EPA ID: AR0000123) is a community water system in Arkansas that serves approximately 264 people from groundwater sources.
This system serves ZIP code 72437 in Lake City.
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
- 72437 — Lake City
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Black Oak Waterworks (AR0000123) on EPA.gov.
Frequently Asked Questions
Is Black Oak Waterworks water safe to drink?
Based on EPA records, Black Oak Waterworks has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Black Oak Waterworks serve?
Black Oak Waterworks serves approximately 264 people across 1 ZIP code in Arkansas.
Where does Black Oak Waterworks get its water?
The primary water source is groundwater.