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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 3 cities serving 797,014 residents
Suffolk County in Massachusetts has an average water quality score of 84/100 (Grade B+) based on analysis of 3 municipal water systems. The county's water systems serve approximately 797,014 residents.
Overall, Suffolk County demonstrates good water quality standards. 2 of 3 cities exceed the county average, with Revere leading with a score of 88/100.
3 cities ranked by water quality score
Top detected contaminants across county water systems
| Contaminant | Avg Level | Max Level | EPA Limit | % of Limit | Cities |
|---|---|---|---|---|---|
| Total Trihalomethanes | 14.944 ug/L | 25.469 ug/L | 80 ug/L | 18.7% | 3 |
| Fluoride | 0.73 mg/L | 0.784 mg/L | 4 mg/L | 18.2% | 3 |
| Lead | 0.002 mg/L | 0.005 mg/L | 0.015 mg/L | 14.9% | 3 |
| Arsenic | 0.001 mg/L | 0.003 mg/L | 0.01 mg/L | 14.7% | 3 |
| Chromium | 0.013 mg/L | 0.02 mg/L | 0.1 mg/L | 13.2% | 3 |
| Copper | 0.133 mg/L | 0.225 mg/L | 1.3 mg/L | 10.3% | 3 |
| Nitrite | 0.102 mg/L | 0.275 mg/L | 1 mg/L | 10.2% | 3 |
| Haloacetic Acids | 6.017 ug/L | 12.534 ug/L | 60 ug/L | 10% | 3 |
Recent violations across county water systems
Water quality in Suffolk County, Massachusetts reflects the region's unique combination of water sources, treatment infrastructure, and environmental factors. Our comprehensive analysis examines 3 municipal water systems serving a combined population of over 797,014 residents.
The county shows strong water quality performance, with scores ranging from 77/100 in Chelsea to 88/100 in Revere. This 11-point spread indicates relatively consistent water quality standards across municipal systems.
The most prevalent contaminants detected across Suffolk County water systems include Total Trihalomethanes, Fluoride, Lead. All monitored contaminants remain within acceptable levels relative to EPA Maximum Contaminant Levels (MCLs).
Suffolk 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.
Suffolk County has an average water quality score of 84/100 (Grade B+) based on analysis of 3 municipal water systems serving 797,014 residents.
Revere has the highest water quality score in Suffolk County at 88/100. View the detailed report for Revere.
Most cities in Suffolk 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.