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Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Water quality data for 2 cities serving 401,330 residents
Pulaski County in Arkansas has an average water quality score of 100/100 (Grade A) based on analysis of 2 municipal water systems. The county's water systems serve approximately 401,330 residents.
Overall, Pulaski County demonstrates good water quality standards. 2 of 2 cities exceed the county average, with Jacksonville leading with a score of 100/100.
2 cities ranked by water quality score
| Rank | City | Score | Grade | Population |
|---|---|---|---|---|
| 1 | Little Rock | 100 | A | 368,455 |
| 2 | Jacksonville | 100 | A | 32,875 |
Real EPA readings across county water systems (lead: latest 90th percentile; PFAS: UCMR5 2023–2026; others: 2012–2019 averages)
| Contaminant | Avg Level | Max Level | EPA Limit | % of Limit | Cities |
|---|---|---|---|---|---|
| TTHM (2012–2019 avg) | 46.346 ug/L | 48.043 ug/L | 80 ug/L | 57.9% | 2 |
| HAA5 (2012–2019 avg) | 20.986 ug/L | 21.193 ug/L | 60 ug/L | 35% | 2 |
| Fluoride (2012–2019 avg) | 0.782 mg/L | 0.838 mg/L | 4 mg/L | 19.6% | 2 |
| Lead (90th percentile) | 1 ppb | 1 ppb | 15 ppb | 6.7% | 2 |
| Nitrate (2012–2019 avg) | 0.616 mg/L | 0.616 mg/L | 10 mg/L | 6.2% | 1 |
| PFAS (PFOA/PFOS max, UCMR5) | 0 ppt | 0 ppt | 4 ppt | 0% | 2 |
| Arsenic (2012–2019 avg) | 0 ug/L | 0 ug/L | 10 ug/L | 0% | 2 |
Water quality in Pulaski County, Arkansas reflects the region's unique combination of water sources, treatment infrastructure, and environmental factors. Our comprehensive analysis examines 2 municipal water systems serving a combined population of over 401,330 residents.
The county shows strong water quality performance, with scores ranging from 100/100 in Little Rock to 100/100 in Jacksonville. This 0-point spread indicates relatively consistent water quality standards across municipal systems.
The most prevalent contaminants detected across Pulaski County water systems include TTHM (2012–2019 avg), HAA5 (2012–2019 avg), Fluoride (2012–2019 avg). At least one reading averages above 50% of its EPA limit across the county's systems, worth attention from residents and utilities.
Pulaski County's water quality is generally good. Residents can feel confident in their tap water quality, though those with specific health concerns or sensitivity to certain contaminants may still benefit from filtration. Regular review of your city's annual Consumer Confidence Report is recommended.
Pulaski County has an average water quality score of 100/100 (Grade A) based on analysis of 2 municipal water systems serving 401,330 residents.
Jacksonville has the highest water quality score in Pulaski County at 100/100. View the detailed report for Jacksonville.
Most cities in Pulaski County have water that meets EPA standards. However, a water filter can provide additional protection and improve taste. The need depends on your specific city and any personal health considerations.
Click on any city in the rankings table above to view its detailed water quality report, including contaminant levels, EPA compliance history, and filter recommendations.