Exceeds EPA Limit Copper EXCEEDS EPA LIMIT

Copper in Sumter, SC Drinking Water

Copper data for Sumter, South Carolina · 62,644 residents · 4 ZIP codes

For residents of Sumter, South Carolina, Copper has appeared in public water supply sampling data.

3300 ppb
Max Level Detected
3300 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 Sumter Tap Water

Copper has been detected in Sumter, South Carolina drinking water at a maximum level of 3300 ppb2.54x the EPA action level.

This analysis covers 62,644 residents across 4 ZIP codes in Sumter.

Sumter's overall water quality grade is A (89/100).

Is Copper in Sumter Water Safe?

Copper levels in parts of Sumter 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
29150 3300 ppb 1.3 mg/L (action level) Exceeds limit
29151 3300 ppb 1.3 mg/L (action level) Exceeds limit
29153 3300 ppb 1.3 mg/L (action level) Exceeds limit
29154 3300 ppb 1.3 mg/L (action level) Exceeds limit

Average copper level across Sumter: 3300 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 Sumter 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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