Gillham Waterworks
EPA ID: AR0000516 · 255 people served · 1 ZIP code
Within the five-year EPA monitoring span, Gillham Waterworks accumulated 1 violation — every finding has been resolved and the utility operates in full compliance today, supplying water to approximately 255 people without any active enforcement proceedings.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Gillham Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The Gillham Waterworks serves a community with a median household income of $36,250 and an estimated 655 residents across its service area. Approximately 58% 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?
Gillham Waterworks'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 Sevier 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 Gillham Waterworks compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Arkansas
System Overview
Gillham Waterworks (EPA ID: AR0000516) is a community water system in Arkansas that serves approximately 255 people from surface water sources.
This system serves ZIP code 71841 in Gillham.
Average Home Safety Score: A (88/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
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
- 71841 — Gillham
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Gillham Waterworks (AR0000516) on EPA.gov.
Frequently Asked Questions
Is Gillham Waterworks water safe to drink?
Gillham Waterworks has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Gillham Waterworks serve?
Gillham Waterworks serves approximately 255 people across 1 ZIP code in Arkansas.
Where does Gillham Waterworks 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.
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
Gillham Waterworks (EPA ID: AR0000516) — request the latest Consumer Confidence Report or ask about specific contaminants.