Exceeds EPA Limit Copper EXCEEDS EPA LIMIT

Copper in Wisconsin Dells, WI Drinking Water

Copper data for Wisconsin Dells, Wisconsin · 11,197 residents · 1 ZIP code

Not every city shows Copper in its water data; in Wisconsin Dells, Wisconsin, federal sampling has confirmed its presence at detectable levels in at least one recent reporting cycle.

1750 ppb
Max Level Detected
1750 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 Wisconsin Dells Tap Water

Copper has been detected in Wisconsin Dells, Wisconsin drinking water at a maximum level of 1750 ppb1.35x the EPA action level.

This analysis covers 11,197 residents across 1 ZIP code in Wisconsin Dells.

Wisconsin Dells's overall water quality grade is B (77/100).

Is Copper in Wisconsin Dells Water Safe?

Copper levels in parts of Wisconsin Dells 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
53965 1750 ppb 1.3 mg/L (action level) Exceeds limit

Average copper level across Wisconsin Dells: 1750 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 Wisconsin Dells 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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