Copper in La Salle, IL Drinking Water
Copper data for La Salle, Illinois · 9,700 residents · 1 ZIP code
Copper exposure in drinking water is tracked by EPA across the country; households in La Salle, Illinois are among those with confirmed detections in the public water record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Copper in La Salle Tap Water
Copper has been detected in La Salle, Illinois drinking water at a maximum level of 0.933 ppb — below the EPA action level of 1.3 mg/L (action level).
This analysis covers 9,700 residents across 1 ZIP code in La Salle.
La Salle's overall water quality grade is C (65/100).
Is Copper in La Salle Water Safe?
Copper was detected in La Salle 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 |
|---|---|---|---|
| 61301 | 0.933 ppm | 1.3 mg/L (action level) | OK |
Average copper level across La Salle: 0.93 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 La Salle 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.