Copper in Antioch, IL Drinking Water
Copper data for Antioch, Illinois · 14,199 residents · 1 ZIP code
Routine testing in Antioch, Illinois turned up Copper — samples from the public supply came back positive, placing this contaminant on the list of substances residents here have a concrete reason to look into.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Copper in Antioch Tap Water
Copper has been detected in Antioch, Illinois drinking water at a maximum level of 0.972 ppb — below the EPA action level of 1.3 mg/L (action level).
This analysis covers 14,199 residents across 1 ZIP code in Antioch.
Antioch's overall water quality grade is D (54/100).
Is Copper in Antioch Water Safe?
Copper was detected in Antioch 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 |
|---|---|---|---|
| 60002 | 0.972 ppm | 1.3 mg/L (action level) | OK |
Average copper level across Antioch: 0.97 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 Antioch 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.