Detected PFAS

PFAS in Boulder Creek, CA Drinking Water

PFAS data for Boulder Creek, California · 8,433 residents · 1 ZIP code

ZipCheckup's reading of PFAS in Boulder Creek, California: PFAS carries a high health-risk designation.

Across the water systems that serve Boulder Creek, California, PFAS has appeared in EPA compliance samples - standard municipal treatment targets this contaminant, though detections in the compliance record indicate it has reached household taps at measurable levels.

4 ppt (PFOA/PFOS individually)
EPA MCL
High
Health Risk
Reverse Osmosis or Granular Activated Carbon
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO

PFAS in Boulder Creek Tap Water

This analysis covers 8,433 residents across 1 ZIP code in Boulder Creek.

Is PFAS in Boulder Creek Water Safe?

PFAS was detected in Boulder Creek water, but the available unit could not be normalized to the EPA MCL. ZipCheckup therefore cannot classify the result as within or above the federal limit.

Check the source utility record and consider independent testing before making a safety decision.

Health Effects of PFAS

  • Increased risk of kidney and testicular cancer
  • Thyroid disease and immune system suppression
  • Reproductive problems and reduced fertility
  • Elevated cholesterol and liver effects
  • Developmental effects in infants and children

Health risk severity: High. Governed by the PFAS National Primary Drinking Water Regulation (2024).

How PFAS Gets Into Drinking Water

  • Firefighting foam (AFFF) used at military bases and airports
  • Industrial manufacturing (non-stick coatings, stain-resistant fabrics)
  • Wastewater treatment plants that receive industrial discharge
  • Landfill leachate from PFAS-containing consumer products

What to Do About PFAS in Boulder Creek Water

  1. Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
  2. Granular activated carbon (GAC) filters remove some PFAS compounds
  3. Look for NSF 53 or NSF 58 certification specifically tested for PFAS
  4. Pitcher filters with activated carbon provide partial reduction

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

Related

HomeContaminantsPFASCalifornia → Boulder Creek

How to cite this page

APA ZipCheckup. (2026). PFAS in Boulder Creek, CA Drinking Water. https://zipcheckup.com/contaminants/pfas/boulder-creek-ca/
BibTeX
@misc{zipcheckup-contaminants-pfas-boulder-creek-ca,
  author = {{ZipCheckup}},
  title  = {{PFAS in Boulder Creek, CA Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/pfas/boulder-creek-ca/}
}

Page version: August 2026.

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