Copper in Riverhead, NY Drinking Water
Copper data for Riverhead, New York · 35,115 residents · 1 ZIP code
Recent water testing in Riverhead, New York has returned Copper readings above detection thresholds.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Copper in Riverhead Tap Water
Riverhead, New York has 1 EPA violation related to copper in drinking water.
This analysis covers 35,115 residents across 1 ZIP code in Riverhead.
Riverhead's overall water quality grade is B (75/100).
Is Copper in Riverhead 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.
EPA Violations for Copper in Riverhead
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2023-07-01 | Copper (Resolved) | Resolved | 11901 |
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 Riverhead 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.