Exceeds EPA Limit Copper EXCEEDS EPA LIMIT

Copper in Greenwood, SC Drinking Water

Copper data for Greenwood, South Carolina · 50,016 residents · 4 ZIP codes

People in Greenwood, South Carolina who get water from the public supply are among residents whose systems have returned Copper detections in EPA compliance testing.

1460 ppb
Max Level Detected
1460 ppb
Average Level
1.3 mg/L (action level)
EPA action level
Moderate
Health Risk
Reverse Osmosis or NSF 53 Carbon Block
Best Filter Method

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

Copper in Greenwood Tap Water

Copper has been detected in Greenwood, South Carolina drinking water at a maximum level of 1460 ppb — 1.12x the EPA action level.

This analysis covers 50,016 residents across 4 ZIP codes in Greenwood.

Greenwood's overall water quality grade is A (96/100).

Is Copper in Greenwood Water Safe?

Copper levels in parts of Greenwood exceed the EPA action level of 1.3 mg/L (action level). The EPA requires water systems to take corrective action when this limit is exceeded.

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
29646 1460 ppb 1.3 mg/L (action level) Exceeds limit
29647 1460 ppb 1.3 mg/L (action level) Exceeds limit
29648 1460 ppb 1.3 mg/L (action level) Exceeds limit
29649 1460 ppb 1.3 mg/L (action level) Exceeds limit

Average copper level across Greenwood: 1460 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 Greenwood 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.

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