Exceeds EPA Limit Copper EXCEEDS EPA LIMIT

Copper in Black River Falls, WI Drinking Water

Copper data for Black River Falls, Wisconsin · 6,543 residents · 1 ZIP code

In Black River Falls, Wisconsin, 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.

1761.5 ppb
Max Level Detected
1761.5 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 Black River Falls Tap Water

Copper has been detected in Black River Falls, Wisconsin drinking water at a maximum level of 1761.5 ppb1.36x the EPA action level.

This analysis covers 6,543 residents across 1 ZIP code in Black River Falls.

Black River Falls's overall water quality grade is B (76/100).

Is Copper in Black River Falls Water Safe?

Copper levels in parts of Black River Falls 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
54615 1761.5 ppb 1.3 mg/L (action level) Exceeds limit

Average copper level across Black River Falls: 1761.5 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 Black River Falls 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

HomeContaminantsCopperWisconsin → Black River Falls
Check your water filter options Free tool — no phone call required.