Detected Copper

Copper in Lemoore, CA Drinking Water

Copper data for Lemoore, California · 38,467 residents · 2 ZIP codes

ZipCheckup's reading of Copper in Lemoore, California: the highest detected level is 1.1 ppb; the EPA limit is 1.3 mg/L (action level). Copper carries a moderate health-risk designation.

Copper is regulated under the Safe Drinking Water Act because of its potential health effects at elevated concentrations; for residents of Lemoore, California, the relevant fact is that it has shown up in recent EPA compliance samples - point-of-use filtration is one option residents research, alongside reviewing the utility's published treatment data.

1.1 ppb
Max Level Detected
1.1 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 Lemoore Tap Water

Copper has been detected in Lemoore, California drinking water at a maximum level of 1.1 ppm — below the EPA action level of 1.3 mg/L (action level).

This analysis covers 38,467 residents across 2 ZIP codes in Lemoore.

Lemoore's overall water quality grade is C (68/100).

Is Copper in Lemoore Water Safe?

Copper was detected in Lemoore 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
93246 1.1 ppm 1.3 mg/L (action level) OK

Average copper level across Lemoore: 1.1 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 Lemoore 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

HomeContaminantsCopperCalifornia → Lemoore

How to cite this page

APA ZipCheckup. (2026). Copper in Lemoore, CA Drinking Water. https://zipcheckup.com/contaminants/copper/lemoore-ca/
BibTeX
@misc{zipcheckup-contaminants-copper-lemoore-ca,
  author = {{ZipCheckup}},
  title  = {{Copper in Lemoore, CA Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/copper/lemoore-ca/}
}

Data as of July 2026.

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