Copper in Hartford, CT Drinking Water
Copper data for Hartford, Connecticut · 120,347 residents · 36 ZIP codes
Across Hartford, Connecticut, federal monitoring data has captured Copper in water samples at detectable concentrations in the most recent available reporting cycle.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05
Copper in Hartford Tap Water
Copper has been detected in Hartford, Connecticut drinking water at a maximum level of 1.3 ppb — below the EPA action level of 1.3 mg/L (action level).
This analysis covers 120,347 residents across 36 ZIP codes in Hartford.
Hartford's overall water quality grade is A (92/100).
Is Copper in Hartford Water Safe?
Copper was detected in Hartford water but currently falls within EPA limits. However, some health organizations argue the EPA action level may not be protective enough.
If you are concerned, a reverse osmosis or nsf 53 carbon block filter can reduce copper levels further.
Copper Levels by ZIP Code
| ZIP Code | Copper Level | EPA Limit | Status |
|---|---|---|---|
| 06101 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06102 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06103 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06104 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06105 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06106 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06112 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06114 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06115 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06120 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06123 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06126 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06132 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06134 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06140 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06141 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06142 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06143 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06144 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06145 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06146 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06147 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06150 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06151 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| 06152 | 1.3 ppm | 1.3 mg/L (action level) | OK |
| ...11 more ZIP codes |
Average copper level across Hartford: 1.3 ppb
Health Effects of Copper
- Nausea, vomiting, and diarrhea (short-term, high levels)
- Liver and kidney damage (long-term)
- Particularly dangerous for people with Wilson's disease
- Infants are more sensitive than adults
Health risk severity: Moderate. Governed by the Lead and Copper Rule.
How Copper Gets Into Drinking Water
- Corrosion of copper household plumbing
- Acidic (low pH) water accelerates copper leaching
- New copper pipes leach more than aged ones
- Mining and industrial discharge (rare for tap water)
What to Do About Copper in Hartford Water
- Run water for 30-60 seconds before use (flushes stagnant water)
- Install an NSF 53 or NSF 58 certified filter
- If pH is low, consider a whole-home acid neutralizer
- Test first-draw morning water to check actual copper levels
Look for filters certified under NSF 53 for copper removal.