How much copper is in La Salle water?

The maximum detected level of copper in La Salle water is 0.933 ppb. The EPA limit is 1.3 mg/L (action level). See the ZIP code table above for area-specific levels.

Detected Copper

Copper in La Salle, IL Drinking Water

Q: Is copper in La Salle water safe?

Copper was detected in La Salle water at 0.933 ppb, below the EPA limit of 1.3 mg/L (action level). Check ZIP-level data on this page for your specific area.

Copper data for La Salle, Illinois · 10,312 residents · 1 ZIP code

ZipCheckup's reading of Copper in La Salle, Illinois: the highest detected level is 0.933 ppb; the EPA limit is 1.3 mg/L (action level). Copper carries a moderate health-risk designation.

Copper exposure in drinking water is tracked by EPA across the country; households in La Salle, Illinois are among those with confirmed detections in the public water record.

0.933 ppb

Max Level Detected

0.93 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: 2026-07-13

Copper in La Salle Tap Water

Copper has been detected in La Salle, Illinois drinking water at a maximum level of 0.933 ppm — below the EPA action level of 1.3 mg/L (action level).

This analysis covers 10,312 residents across 1 ZIP code in La Salle.

La Salle's overall water quality grade is C (65/100).

Is Copper in La Salle Water Safe?

Copper was detected in La Salle water but currently falls within EPA limits. However, some health organizations argue the EPA action level may not be protective enough.

If you are concerned, a reverse osmosis or nsf 53 carbon block filter can reduce copper levels further.

Copper Levels by ZIP Code

ZIP Code	Copper Level	EPA Limit	Status
61301	0.933 ppm	1.3 mg/L (action level)	OK

Average copper level across La Salle: 0.93 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 La Salle Water

Run water for 30-60 seconds before use (flushes stagnant water)
Install an NSF 53 or NSF 58 certified filter
If pH is low, consider a whole-home acid neutralizer
Test first-draw morning water to check actual copper levels

Look for filters certified under NSF 53 for copper removal.

Home → Contaminants → Copper → Illinois → La Salle

How to cite this page

APA ZipCheckup. (2026). Copper in La Salle, IL Drinking Water. https://zipcheckup.com/contaminants/copper/la-salle-il/

BibTeX

@misc{zipcheckup-contaminants-copper-la-salle-il,
  author = {{ZipCheckup}},
  title  = {{Copper in La Salle, IL Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/copper/la-salle-il/}
}

Data as of July 2026.