Copper in Lafayette, IN Drinking Water
Copper data for Lafayette, Indiana · 71,595 residents · 6 ZIP codes
At elevated levels, Copper is a recognized health concern in drinking water; in Lafayette, Indiana, it has been detected in recent samples logged through federal compliance reporting.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Copper in Lafayette Tap Water
Copper has been detected in Lafayette, Indiana drinking water at a maximum level of 1390 ppb — 1.07x the EPA action level.
This analysis covers 71,595 residents across 6 ZIP codes in Lafayette.
Lafayette's overall water quality grade is C (62/100).
Is Copper in Lafayette 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 |
|---|---|---|---|
| 47901 | 1390 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 47902 | 1390 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 47903 | 1390 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 47904 | 1390 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 47905 | 1390 ppb | 1.3 mg/L (action level) | Exceeds limit |
| 47909 | 1390 ppb | 1.3 mg/L (action level) | Exceeds limit |
Average copper level across Lafayette: 1390 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 Lafayette 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.