Copper in Newark, DE Drinking Water
Copper data for Newark, Delaware · 305,797 residents · 11 ZIP codes
Across the water systems that serve Newark, Delaware, Copper has appeared in EPA compliance samples — standard municipal treatment targets this contaminant, though detections in the compliance record indicate it has reached household taps at measurable levels.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Copper in Newark Tap Water
Copper has been detected in Newark, Delaware drinking water at a maximum level of 2648 ppb — 2.04x the EPA action level.
This analysis covers 305,797 residents across 11 ZIP codes in Newark.
Newark's overall water quality grade is B (78/100).
Is Copper in Newark Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or nsf 53 carbon block filter certified under NSF 53 and testing your water independently.
Copper Levels by ZIP Code
| ZIP Code | Copper Level | EPA Limit | Status |
|---|---|---|---|
| 19702 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19711 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19712 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19713 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19714 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19715 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19716 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19717 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19718 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19725 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 19726 | 2648 ppb | 1.3 mg/L (action level) | Exceeds limit |
Average copper level across Newark: 2648 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 Newark 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.