Benton County Water Authority4
EPA ID: AR0000899 · 635 people served · 4 ZIP codes
Water monitoring history at Benton County Water Authority4 shows a clean slate — EPA tracking over the past five years turned up no violations, and 635 residents continue to receive fully compliant service.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Benton County Water Authority4 Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Benton County Water Authority4 serves a community with a median household income of $79,929 and an estimated 161,048 residents across its service area.
🌊 Where Does Your Water Come From?
Benton County Water Authority4'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.
About 1% of homes in Benton 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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded.
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
Benton County Water Authority4 (EPA ID: AR0000899) is a community water system in Arkansas that serves approximately 635 people from surface water sources.
This system provides water to 4 ZIP codes across 3 communities.
Average Home Safety Score: B (75/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
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 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Benton County Water Authority4 (AR0000899) on EPA.gov.
Frequently Asked Questions
Is Benton County Water Authority4 water safe to drink?
Based on EPA records, Benton County Water Authority4 has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Benton County Water Authority4 serve?
Benton County Water Authority4 serves approximately 635 people across 4 ZIP codes in Arkansas.
Where does Benton County Water Authority4 get its water?
The primary water source is surface water.
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.