Central Arkansas Water
Little Rock, Arkansas · PWSID: AR0000465
Little Rock Water Quality Summary
Central Arkansas Water supplies drinking water to about 368,455 people in Little Rock, Arkansas, and draws from surface water (rivers, lakes, or reservoirs), which requires fuller treatment for runoff, sediment, and microbial risk. On the IsWaterSafe scale it earns an excellent Water Safety Score of 100 out of 100 (Grade A), a composite of its EPA SDWIS violation and contaminant record.
EPA SDWIS shows no health-based or monitoring violations on record for Central Arkansas Water. Its compliance record is clean across the reported period.
No individual contaminant detections are reported for Central Arkansas Water in the current EPA SDWIS extract; the score reflects its violation and enforcement record alone.
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Detected Contaminants
No contaminant data available.
Violation History
No violations on record.
Frequently Asked Questions
Central Arkansas Water has a Water Safety Score of A (100/100). The system serves 368,455 people and has 0 health violations on record. Check the contaminant table above for specific detected substances.
Central Arkansas Water has 0 contaminant exceedances above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.
The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.
If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.
Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.
Source: EPA Ground Water and Drinking Water, 2026.