Across Union City, Tennessee, federal monitoring data has captured Copper in water samples at detectable concentrations in the most recent available reporting cycle.

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14

Copper in Union City Tap Water

Copper has been detected in Union City, Tennessee drinking water at a maximum level of 0.652 ppb — below the EPA action level of 1.3 mg/L (action level).

This analysis covers 16,180 residents across 2 ZIP codes in Union City.

Union City's overall water quality grade is A (90/100).

Is Copper in Union City Water Safe?

Copper was detected in Union City 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

Average copper level across Union City: 0.65 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 Union City Water

1. Run water for 30-60 seconds before use (flushes stagnant water)
2. Install an NSF 53 or NSF 58 certified filter
3. If pH is low, consider a whole-home acid neutralizer
4. Test first-draw morning water to check actual copper levels

Look for filters certified under NSF 53 for copper removal.

Related

• Copper — National Overview
• Copper in Tennessee
• Tennessee Water Quality
• Union City Water Quality
• Check Your ZIP Code