Place carried: San Bernardino, CA
ZIP code lookup

ZIP 92427: San Bernardino, CA Tap Water

ZIP 92427 is in the San Bernardino, CA area, most likely served by SAN BERNARDINO CITY. A ZIP is a postal boundary, not a service area, so confirm your supplier on your water bill.

What the record shows · CA3610039

Test results for SAN BERNARDINO CITY

Results describe the water system, not a specific tap in ZIP 92427. Each bar marks the listed reference for that substance.

Full system record →
above a listed reference
0
detected, within reference or no limit
5
aesthetic measure
1
tested, not detected
26
Detected · 5 results, farthest from the reference first
  • LiLithium
    9.11µg/L
    10 µg/L EPA health reference level (screening, not a legal limit)
    Below the listed reference · EPA UCMR 5 · 2024Evidence
  • PFHxSPerfluorohexanesulfonic acid (PFHxS)
    4ng/L
    10 ng/L federal MCL (2024)
    Below the listed reference · EPA UCMR 5 · 2024Evidence
  • PFBSPerfluorobutanesulfonic acid (PFBS)
    4.4ng/L
    2,000 ng/L EPA health advisory (screening, not a legal limit)
    Below the listed reference · EPA UCMR 5 · 2024Evidence
  • PFHxAPerfluorohexanoic acid (PFHxA)
    4ng/L
    400,000 ng/L Michigan EGLE state MCL (strictest US state)
    Below the listed reference · EPA UCMR 5 · 2024Evidence
  • PFPeAPerfluoropentanoic acid (PFPeA)
    3.4ng/L
    No federal or state limit; shown for transparency
    No federal or state limit · EPA UCMR 5 · 2024Evidence
Aesthetic · no federal health limit
CaCO₃Water hardness
14.2gpg
Very hard on the USGS scale · Utility CCR · 2025Evidence
Tested, not detected
Other contaminants tested
26none detected

Below each lab’s reporting limit. A result, not zero, and it covers only what was tested.

Show all 26Hide list
  • 11Cl-PF3OUdS
  • 4:2 FTS
  • 6:2 FTS
  • 8:2 FTS
  • 9Cl-PF3ONS
  • ADONA
  • HFPO-DA (GenX)
  • NEtFOSAA
  • NFDHA
  • NMeFOSAA
  • PFBA
  • PFDA
  • PFDoA
  • PFEESA
  • PFHpA
  • PFHpS
  • PFMBA
  • PFMPA
  • PFNA
  • PFOA
  • PFOS
  • PFPeS
  • PFTA
  • PFTrDA
  • PFUnA
  • Lead (90th percentile)
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Nothing here is above its listed reference. Lead mostly enters from building plumbing, which this system-level record can’t see.

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Which water system serves ZIP 92427?

The public system on record for ZIP 92427 (San Bernardino, CA) is SAN BERNARDINO CITY. A ZIP is a postal boundary, not a service area. Confirm your supplier on your water bill.

Is the water in ZIP 92427 the same as San Bernardino's?

ZIP 92427 falls within the San Bernardino, CA area, but a ZIP code can span more than one utility. Read the serving system's own record for the results that apply to your address.

How do I find the exact water system for ZIP 92427?

Check the utility name on your water bill, or resolve it from your street address with Find My Water. The ZIP-level view lists candidate systems, not a confirmed household match.