Exceeds EPA Limit Copper EXCEEDS EPA LIMIT

Copper in Scarborough, ME Drinking Water

Copper data for Scarborough, Maine · 22,527 residents · 2 ZIP codes

In Scarborough, Maine, Copper has been detected in the public water supply — a contaminant that health agencies track because of documented effects associated with prolonged exposure at elevated concentrations.

9000 ppb
Max Level Detected
9000 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: 2026-04-05

Copper in Scarborough Tap Water

Copper has been detected in Scarborough, Maine drinking water at a maximum level of 9000 ppb6.92x the EPA action level.

This analysis covers 22,527 residents across 2 ZIP codes in Scarborough.

Scarborough's overall water quality grade is C (57/100).

Is Copper in Scarborough Water Safe?

Copper levels in parts of Scarborough 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
04070 9000 ppb 1.3 mg/L (action level) Exceeds limit
04074 9000 ppb 1.3 mg/L (action level) Exceeds limit

Average copper level across Scarborough: 9000 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 Scarborough 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

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