Exceeds EPA Limit Lead EXCEEDS EPA LIMIT

Lead in Loma Linda, CA Drinking Water

Lead data for Loma Linda, California · 23,470 residents · 2 ZIP codes

ZipCheckup's reading of Lead in Loma Linda, California: the highest detected level is 170 ppb; the EPA limit is 15 ppb (action level). Lead carries a high health-risk designation.

Water quality records for Loma Linda, California show Lead detections on file - a finding that places it among the contaminants worth tracking for this area.

170 ppb
Max Level Detected
170 ppb
Average Level
15 ppb (action level)
EPA action level
High
Health Risk
Reverse Osmosis or NSF 53 Carbon Block
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO

Lead in Loma Linda Tap Water

Lead has been detected in Loma Linda, California drinking water at a normalized maximum level of 170 ppb - 11.33x the EPA action level.

This analysis covers 23,470 residents across 2 ZIP codes in Loma Linda.

Is Lead in Loma Linda Water Safe?

Lead levels in parts of Loma Linda exceed the EPA action level of 15 ppb (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 / NSF 58 and testing your water independently.

Lead Levels by ZIP Code

ZIP Code Lead Level EPA Limit Status
92354 170 ppb 15 ppb (action level) Exceeds limit

Average lead level across Loma Linda: 170 ppb

Health Effects of Lead

  • Brain development delays and reduced IQ in children
  • Behavioral problems and learning disabilities
  • High blood pressure and kidney damage in adults
  • Increased risk of premature birth in pregnant women

Health risk severity: High. Governed by the Lead and Copper Rule Revisions (LCRR/LCRI).

How Lead Gets Into Drinking Water

  • Corrosion of lead service lines (pipes connecting water main to home)
  • Lead solder in copper plumbing joints (pre-1986 homes)
  • Brass fixtures and faucets manufactured before 2014
  • Stagnant water that sits in lead-containing pipes overnight

What to Do About Lead in Loma Linda Water

  1. Install an NSF 53 or NSF 58 certified filter at kitchen sink
  2. Run cold water for 30 seconds before using for drinking or cooking
  3. Use cold water only for cooking and preparing formula
  4. Consider whole-home reverse osmosis if lead service line is present

Look for filters certified under NSF 53 / NSF 58 for lead removal.

Related

Home → Contaminants → Lead → California → Loma Linda

How to cite this page

APA ZipCheckup. (2026). Lead in Loma Linda, CA Drinking Water. https://zipcheckup.com/contaminants/lead/loma-linda-ca/
BibTeX 
@misc{zipcheckup-contaminants-lead-loma-linda-ca,
  author = {{ZipCheckup}},
  title  = {{Lead in Loma Linda, CA Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/lead/loma-linda-ca/}
}

Page version: August 2026.

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