Safest Drinking Water in Arkansas 2026
Arkansas has 5 public water systems serving 751,453 people. The safest system is Central Arkansas Water in Little Rock with a score of 100/100.
Top 5 Water Systems in Arkansas
| # | Water System | City | Pop. Served | Source | Violations | Score |
|---|---|---|---|---|---|---|
| 1 | Central Arkansas Water | Little Rock | 368,455 | Surface water | 0 | A (100) |
| 2 | Fayetteville Waterworks | Fayetteville | 116,398 | Surface water | 0 | A (100) |
| 3 | Springdale Water Utilities | Springdale | 98,948 | Surface water | 0 | A (100) |
| 4 | Rogers Water Utilities | Rogers | 81,443 | Surface water | 0 | A (100) |
| 5 | Fort Smith Water Utilities | Fort Smith | 86,209 | Surface water | 1 | C (78) |
Water quality data for Arkansas is sourced from the EPA Safe Drinking Water Information System (SDWIS), which tracks compliance for all public water systems.
Frequently Asked Questions
Central Arkansas Water in Little Rock has the highest Water Safety Score in Arkansas at 100/100 (Grade A), serving 368,455 people.
Arkansas has 5 public water systems serving 751,453 people. The average Water Safety Score is 96/100.
The Water Safety Score (0-100) is based on health violations (40%), contaminant exceedances (30%), enforcement history (20%), and monitoring violations (10%). Higher scores mean cleaner, safer water.
Water Safety Score: health violations (40%), contaminant exceedances (30%), enforcement history (20%), monitoring violations (10%).
The this entity category groups every U.S. public drinking-water safety entity sharing this attribute. The list above is the data; the paragraphs below explain what the grouping means against the broader the EPA Safe Drinking Water Information System (SDWIS) distribution and how to read the relative rankings within the category.
For readers using this category as a starting point, the per-entity detail pages linked from the table above carry the underlying the EPA Safe Drinking Water Information System (SDWIS) data in full. The category-level view is the filter; the per-entity pages are the actual answer.
Source: EPA Ground Water and Drinking Water, 2026.