Exceeds EPA Limit Copper EXCEEDS EPA LIMIT

Copper in Shrewsbury, MA Drinking Water

Copper data for Shrewsbury, Massachusetts · 38,440 residents · 2 ZIP codes

EPA records show Copper detections in Shrewsbury, Massachusetts water samples.

10 ppb
Max Level Detected
10 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 Shrewsbury Tap Water

Copper has been detected in Shrewsbury, Massachusetts drinking water at a maximum level of 10 ppb — below the EPA action level of 1.3 mg/L (action level).

This analysis covers 38,440 residents across 2 ZIP codes in Shrewsbury.

Shrewsbury's overall water quality grade is C (66/100).

Is Copper in Shrewsbury Water Safe?

Copper levels in parts of Shrewsbury 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
01545 10 ppm 1.3 mg/L (action level) OK
01546 10 ppm 1.3 mg/L (action level) OK

Average copper level across Shrewsbury: 10 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 Shrewsbury 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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