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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 5 cities serving 1,591,058 residents
Fulton County in Georgia has an average water quality score of 81/100 (Grade B) based on analysis of 5 municipal water systems. The county's water systems serve approximately 1,591,058 residents.
Overall, Fulton County demonstrates good water quality standards. 3 of 5 cities exceed the county average, with Alpharetta leading with a score of 100/100.
5 cities ranked by water quality score
| Rank | City | Score | Grade | Population |
|---|---|---|---|---|
| 1 | Alpharetta | 100 | A | 434,517 |
| 2 | Atlanta Biggest deduction: Other PFAS detected in UCMR5 sampling: PFBS 4.6 ppt, PFBA 8.3 ppt, PFHxA 4.6 ppt, PFPeA 4.8 ppt (−6 pts) | 94 | A | 1,089,893 |
| 3 | Roswell Biggest deduction: Other PFAS detected in UCMR5 sampling: PFBS 5.8 ppt, PFHxA 5.8 ppt, PFPeA 4.9 ppt (−6 pts) | 94 | A | 14,300 |
| 4 | East Point Biggest deduction: 1 health-based violation (MCL/treatment-technique) in the last 5 years (−10 pts) | 64 | D | 33,712 |
| 5 | Union City Biggest deduction: 5 health-based violations (MCL/treatment-technique) in the last 5 years (−40 pts) | 54 | F | 18,636 |
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 |
|---|---|---|---|---|---|
| PFAS (PFOA/PFOS max, UCMR5) | 1.86 ppt | 9.3 ppt | 4 ppt | 46.5% | 5 |
| Lead (90th percentile) | 1.498 ppb | 1.7 ppb | 15 ppb | 10% | 4 |
Recent violations across county water systems
Health-based: Treatment technique — Treatment Technique (SWTR and GWR) - Surface Water Treatment Rule
7/31/2024
Health-based: MCL exceeded — Maximum Contaminant Level Violation, Average - Total Haloacetic Acids (HAA5)
12/31/2021
Health-based: MCL exceeded — Maximum Contaminant Level Violation, Average - Total Haloacetic Acids (HAA5)
9/30/2021
Health-based: MCL exceeded — Maximum Contaminant Level Violation, Average - Total Haloacetic Acids (HAA5)
6/30/2021
Health-based: MCL exceeded — Maximum Contaminant Level Violation, Average - Total Haloacetic Acids (HAA5)
3/31/2021
Health-based: MCL exceeded — Maximum Contaminant Level Violation, Average - Total Haloacetic Acids (HAA5)
9/30/2020
Showing 10 of 20 recent violations
Water quality in Fulton County, Georgia reflects the region's unique combination of water sources, treatment infrastructure, and environmental factors. Our comprehensive analysis examines 5 municipal water systems serving a combined population of over 1,591,058 residents.
The county shows strong water quality performance, with scores ranging from 54/100 in Union City to 100/100 in Alpharetta. This 46-point spread indicates significant variation in water quality across the county, suggesting different water sources or treatment approaches.
The most prevalent contaminants detected across Fulton County water systems include PFAS (PFOA/PFOS max, UCMR5), Lead (90th percentile). Every county-wide average sits below 50% of its EPA Maximum Contaminant Level (MCL).
Fulton 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.
Fulton County has an average water quality score of 81/100 (Grade B) based on analysis of 5 municipal water systems serving 1,591,058 residents.
Alpharetta has the highest water quality score in Fulton County at 100/100. View the detailed report for Alpharetta.
Most cities in Fulton 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.