Copper in Brooklyn, NY Drinking Water
Copper data for Brooklyn, New York · 2,646,164 residents · 51 ZIP codes
Copper is regulated under the Safe Drinking Water Act because of its potential health effects at elevated concentrations; for residents of Brooklyn, New York, the relevant fact is that it has shown up in recent EPA compliance samples — point-of-use filtration is one option residents research, alongside reviewing the utility's published treatment data.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05
Copper in Brooklyn Tap Water
Copper has been detected in Brooklyn, New York drinking water at a maximum level of 2050 ppb — 1.58x the EPA action level.
This analysis covers 2,646,164 residents across 51 ZIP codes in Brooklyn.
Brooklyn's overall water quality grade is C (60/100).
Is Copper in Brooklyn 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 |
|---|---|---|---|
| 11201 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11202 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11203 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11204 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11205 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11206 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11207 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11208 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11209 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11210 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11211 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11212 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11213 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11214 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11215 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11216 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11217 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11218 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11219 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11220 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11221 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11222 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11223 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11224 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 11225 | 2050 ppb | 1.3 mg/L (action level) | Exceeds limit |
| ...26 more ZIP codes |
Average copper level across Brooklyn: 2050 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 Brooklyn 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.