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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 6 cities serving 372,389 residents
Hartford County in Connecticut has an average water quality score of 80/100 (Grade B+) based on analysis of 6 municipal water systems. The county's water systems serve approximately 372,389 residents.
Overall, Hartford County demonstrates good water quality standards. 4 of 6 cities exceed the county average, with New Britain leading with a score of 95/100.
6 cities ranked by water quality score
| Rank | City | Score | Grade | Population |
|---|---|---|---|---|
| 1 | New Britain Top concern: Fluoride (17.6% of limit) | 95 | A+ | 75,197 |
| 2 | Manchester Top concern: Haloacetic Acids (43.7% of limit) | 85 | A- | 32,367 |
| 3 | Bristol Top concern: Lead (29.6% of limit) | 82 | B+ | 63,153 |
| 4 | Hartford Top concern: Lead (36% of limit) | 80 | B+ | 117,489 |
| 5 | East Hartford Top concern: Total Trihalomethanes (32.5% of limit) | 71 | B- | 45,918 |
| 6 | Enfield Top concern: Haloacetic Acids (61.5% of limit) | 68 | C+ | 38,265 |
Top detected contaminants across county water systems
| Contaminant | Avg Level | Max Level | EPA Limit | % of Limit | Cities |
|---|---|---|---|---|---|
| Haloacetic Acids | 18.707 ug/L | 36.883 ug/L | 60 ug/L | 31.2% | 6 |
| Nitrate | 2.812 mg/L | 3.733 mg/L | 10 mg/L | 28.1% | 5 |
| Copper | 0.349 mg/L | 0.47 mg/L | 1.3 mg/L | 26.9% | 5 |
| Fluoride | 0.99 mg/L | 1.296 mg/L | 4 mg/L | 24.8% | 6 |
| Lead | 0.003 mg/L | 0.005 mg/L | 0.015 mg/L | 21.6% | 6 |
| Nitrite | 0.194 mg/L | 0.415 mg/L | 1 mg/L | 19.4% | 5 |
| Total Trihalomethanes | 14.301 ug/L | 33.353 ug/L | 80 ug/L | 17.9% | 6 |
| Mercury | 0 mg/L | 0.001 mg/L | 0.002 mg/L | 17.5% | 6 |
Recent violations across county water systems
Showing 10 of 12 recent violations
Water quality in Hartford County, Connecticut reflects the region's unique combination of water sources, treatment infrastructure, and environmental factors. Our comprehensive analysis examines 6 municipal water systems serving a combined population of over 372,389 residents.
The county shows strong water quality performance, with scores ranging from 68/100 in Enfield to 95/100 in New Britain. This 27-point spread indicates significant variation in water quality across the county, suggesting different water sources or treatment approaches.
The most prevalent contaminants detected across Hartford County water systems include Haloacetic Acids, Nitrate, Copper. All monitored contaminants remain within acceptable levels relative to EPA Maximum Contaminant Levels (MCLs).
Hartford 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.
Hartford County has an average water quality score of 80/100 (Grade B+) based on analysis of 6 municipal water systems serving 372,389 residents.
New Britain has the highest water quality score in Hartford County at 95/100. View the detailed report for New Britain.
Most cities in Hartford 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.